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Equipment Discussions >> Binoculars

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HfxObserver
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Reged: 11/12/04

Loc: Regina, SK, Canada
Nikon 10X70 IF SP "Astroluxe"
      #5125850 - 03/16/12 05:13 PM

Nikon 10X70 SP "Astroluxe" red stripe on barrels.

Last night I had first light with the 10X70 IF SP. Little has been said on these binoculars apart from EdZ's review of the Nikon 10x70 IF HP WP (?) where debate ensured over the similarities & differences between models.

The 10X70 IF SP was purchased used as "like new", one cannot buy many high end Nikon products here in Canada. It arrived in excellent condition with an unused black Nikon case and 2 different eyecups, batwings and standard rounds, the latter installed. I had considered the Fujinon 10X70 but when the Nikon could be had for a similar price used I decided on this somewhat more exotic glass. Other considerations were given to the Fujinon 10X50 and Docter 15X60. The cost and weight of the 10X50 were close enough to the 10X70 that the only advantage became a 1.5 degree increase in TFOV. The Docter was starting to get a narrow TFOV at 4.1 degrees and might prove too close in performance to the Canon 15X50 which I have the pleasure to borrow in the field during most sessions.

Background: I own 22X100 (inexpensive) & 7X50 Vixen Geoma of good quality, I also own a 125mm Apo that weighs about the same as the bigger binos, therefore the scope gets far more use. A friend has the Canon 15X50 IS and I wanted something similar in quality and more portable than the 100mm's. We often use his 12-inch reflector and my 5-inch APO to go back and forth on the same objects and wanted the same sort of usability with binoculars. The 15X50 are amazing binoculars but redundant equipment in the field seems silly, the 15X50 IS are leaps and bounds over my Vixen with only weight being a downside in their comparison. 75% of observing is under Bortle 3 sky with the other 25% spent under Bortle 1 so concerns of sky brightness are less than other observers. My dark adapted pupil dilates to 7.3mm and I must observe with thin glasses to correct astigmatism.

The 10X70 easily outperforms the 7X50 for illumination and distortion. Although I've been very pleased with my Vixen 7X50, it does have drop off 25% from edge and gets astigmatic on the last 10%. The Nikon has drop off only in the last 15% and less pronounced, it's still a usable field for all but the last 5% which is rather dark but in use ones eyes focus on centre of field and averted vision naturally compensates for much of the loss.

This is not a comparison to see which is better, 15X50 IS vs. 10X70 but a test to ensure we have complimentary optics to provide diverse magnifications see more than one set alone reveals. So we compared the 15X50 mounted and found that resolution was slightly better in the Canon, example, Mintaka was readily split while the Nikon you had to look for the secondary star for another second to find it. The Nikon are considerably brighter and with high cirrus the sky background was detrimental to the view, a result of significant aurora stretching 150 degrees X 35 degrees to the north but the sky remained black in the Canon.

Eye relief of the Canon (15mm ER advertised) is reasonably comfortable and I don't have issue but the Nikon (16.3 ER advertised) is an easier view and certainly glasses friendly. The Canon has a sharper edge, but more difficult to see due to wider apparent field, but without the drop off of the Nikon the 4.5 degree TFOV Canon has about the same usable field as the Nikon 5.1 degree TFOV.

The Nikon is well balanced and required little adjustment of tension on a standard pan tripod head. I'll get them on my Micro-Star this weekend. The tripod adapter for Nikon is a brilliant design and seems to provide superior stability vs. the standard L-bracket. I have not owned IF (individual focus) binoculars before and was concerned I might not care for this feature but in practice this is a non-issue and removes the tendency to futze with the focus.

It appears the two binoculars compliment each other nicely, the 15X50 provides more resolution and darker sky while the 10X70 gives a brighter view and greater context since you aren't splitting objects up as much. We went back and forth on M46 / 47 and found greater star numbers in the cores with the 15X while the 10X revealed the delicate larger structure of star trails and surrounding Milky-Way, features which appear a little dark in the 15X Canon.


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ronharper
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5125986 - 03/16/12 06:26 PM

Chris,
Congratulations on this rare and precious binocular. I often enjoy the 7mm exit pupil experience with my Fujinon 7x50 (even though my eyes will take in only 6.3mm worth). The background sky is, well, just the way it really is. But I have not had a chance to use a 10x70. From all the lore here, you have the best one ever made. 7x, 10x, 15x and 22x is a nice percentge stepped assortment!

My 7x50(7.5 deg field) and 10x50(6.6 deg field) relate, FOV wise, much the same as your 10x70 and 15x50, and I feel much the same as you about them. The wide field of the 10x50 feels like its going to swallow me up, which is sort of nice, but the edge is so far out there it's hard to actually look at, and not very sharp anyhow. So despite the FOV numbers, its wide field by no means obviates the lower powered instrument. To me at least, stars look more colorful and alive with a large exit pupil.
Ron


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rydberg
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: ronharper]
      #5126067 - 03/16/12 07:26 PM

I own what "I" call the little brother, 7x50 IF SP WP etc. etc. (mostly known as "Prostar"). It has the red rings on the barrel too.

7x is not much magnification but I made the mistake, once, of using the Prostar mounted.

Afterward, I have not looked through any other of my (too) numerous 7x50. It is simply no contest. Apo-like views, no other way of saying it.

I think that your 10x70 has very similar properties, but probably a bit softer at the edge, as your observations seem to confirm.

I very much enjoyed your comparison with the Canon.
Thanks!
Marco


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: rydberg]
      #5126232 - 03/16/12 09:57 PM

Thanks Ron, good idea, we'll have to get all binos set up together one night, we have enough mounts so should be pretty easy.

They compare well with the Canon, very similar quality of views.

The Nikon 10X70 have some large barrels and prism housing compared to the mass 70mm's out there and I was surprised that they were so much bigger than 11X80's I had borrowed once and far larger than my 22X100's.

-Chris


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charen
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5126553 - 03/17/12 03:32 AM

Nice report. There is no doubting the build and optical qualities of these Nikons. Most serious bino collectors should strive to acquire a 'top end' classic porro Nikon. Unfortunately I use my 10x70 IF HP WP less and less due to deteriorating eyesight. Still they would be the last ones to sell amongst my collection. They even 'look' like classic old time astro binoculars. They are keeper binoculars.

Chris


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Erik Bakker
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5126678 - 03/17/12 08:28 AM Attachment (97 downloads)

Congrats on a wonderful Nikon astro bino. It will grow on you even more with increasing time under the stars with it.

I have the Nikon 18x70 and find it a great joy under the stars. I have attached a picture of mine and wonder if your 10x70 looks similar.


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Erik Bakker]
      #5126981 - 03/17/12 12:30 PM

Erik, the body and case look the same. The adapter appears different as yours has two heads the the back plate has stats on the same side.

The prism housings are as large as the objectives on these Nikons, very impressive.

How is the edge performance on the 18X version? I've read there is fall off, just wondering how they perform during actual use?

-Chris

Edited by HfxObserver (03/18/12 11:16 PM)


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Erik Bakker
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5127602 - 03/17/12 08:22 PM

Hi Chris,

In actual use, these are superb. They give a very beautiful, detailed and rich 3-D view of any object in the heavens. If there is a finer bino for observing the heavens in it's size class ±10mm, I am not aware of it.


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Fomalhaut
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Reged: 08/16/08

Loc: Switzerland
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Erik Bakker]
      #5128068 - 03/18/12 05:40 AM

Quote:

In actual use, these are superb. They give a very beautiful, detailed and rich 3-D view of any object in the heavens. If there is a finer bino for observing the heavens in it's size class ±10mm, I am not aware of it.




I agree there are no better binoculars in the same approximate size and focal length group!!! Personally, I'm sure about this, because I've tried the most important contenders (before buying!).

The 18x70 is the one I will never part with!

Chris


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5129566 - 03/18/12 11:06 PM Attachment (92 downloads)

Pic;

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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5129582 - 03/18/12 11:17 PM Attachment (87 downloads)

Pic 2;

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Zdee
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5129651 - 03/19/12 12:03 AM

Mighty fine looking pair of binocs.

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Erik Bakker
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5129834 - 03/19/12 06:51 AM

Very nice!

I see different eyepieces in your 10x70. What is their apparent FOV?


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walter S
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Reged: 01/05/10

Loc: Melbourne AUSTRALIA
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Erik Bakker]
      #5129929 - 03/19/12 09:02 AM

Excellent binoculars. I've had them for nearly two years and I use them just about every night, even if its just for a 5-10 minute indulgence. I find the clarity, star colours, detail in the nebulous areas etc much better than any other bino I have used. Even in areas with moderate light pollution, I see about the same and sometimes more stars with the 10x70's than 10x42's. I love taking them to dark sites and I amaze myself at the amount of dso's I can pick out after 30 odd minutes. Like the others have said, "they're keepers".

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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: walter S]
      #5130582 - 03/19/12 03:45 PM

Erik, they are stamped with 5.1 - degrees, so the apparent field is ~51.

Wal, with such a large fully illuminated field they really have punch.

-Chris


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John F
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Loc: Washington State
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5131337 - 03/19/12 10:45 PM

Congradulations on getting a pair of these fine binoculars, I've had a pair for 7 years now. When used at really dark sky sites they provide fantastic views of the Milky Way.

Last Summer was an exceptionally good year and I got to use mine at a couple of high elevation/dark sky sites and spend the better part of 3 observing nights mainly using these.

When I first got them I thought that they'd be a nice-to-have in addition to my Swaro 8.5 x 42s and Zeiss 15x60 B/GATs. But they've provided me with so many nights of incredible viewing experiences over these past 7 years I can't imagine trying to get along without them.

Because of their size and weight I primarily use mine with a mount. Another Nikon binocular I have is the 7x50 Prostars which are the smaller brothers of the 10x70 Astroluxes. The 7x50s are also superb but I find that 10x70s to be more useful because of the 10x power are their better light grasp.

John Finnan


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rydberg
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: John F]
      #5131381 - 03/19/12 11:04 PM

Hi John:
I have the Prostars and if you tell me that the 10x 70 are better, I think I am in a heap of trouble. Where do you find a pair these days ( i am fresh out of arm and legs...)?

Marco


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: rydberg]
      #5131404 - 03/19/12 11:26 PM

John, how do the Nikon 10X70 compare to the B/GAT? they were in the running but difficult to obtain.

I'm particularly concerned with eye relief and edge sharpness and very pleased with the comfortable views the Nikons provide, the edge is sharp only some light fall off, this was surprising since they are rated as 16.3mm of ER but it must be total usable and I expected some aberrations as with most binos.

-Chris


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Fomalhaut
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Reged: 08/16/08

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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5131766 - 03/20/12 08:10 AM

Since I did not succeed in attaching my pictures directly to this post on this forum, please use the following links to directly look at my small show (3 pictures) of my Nikon 18x70 Astroluxe plus Zeiss 15x60 B/GAT*.

Here picture #1:

http://astro-foren.de/attachment.php?attachmentid=2581&d=1322577628

(Choose full size for viewing!)

Notice the folded-down circular-eyecups on both binoculars!

Chris


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Fomalhaut
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Reged: 08/16/08

Loc: Switzerland
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5131779 - 03/20/12 08:15 AM

Here picture # 2:

http://astro-foren.de/attachment.php?attachmentid=2582&d=1322577628

Notice the sun reflected by the two different coatings! This coating is the best I've ever seen on any binoculars.

Chris


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Fomalhaut
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5131787 - 03/20/12 08:18 AM

...and here picture #3:

http://astro-foren.de/attachment.php?attachmentid=2583&d=1322577628

Compare the coatings, again!

Chris


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5131875 - 03/20/12 09:21 AM

Great pictures, you can really see the prism size of the Zeiss is approaching that of the larger Nikon bino.

-Chris


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Erik Bakker
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5132338 - 03/20/12 02:03 PM

Quote:

...and here picture #3:

http://astro-foren.de/attachment.php?attachmentid=2583&d=1322577628

Compare the coatings!

Chris




Nice pictures Chris. They shed some light on the differences between these two classics.

I continue to be amazed at the incredible brightness and crystal clarity of the images of the heavens in the Nikons. Last night I observed M13 in the 16" and the Nikon. I really enjoyed both views immensely.


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John F
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: rydberg]
      #5132873 - 03/21/12 01:19 AM

Marco,

I can't and am not saying that the 10x70s are optically superior to the 7x50 Prostars. If anything, I think the Prostars are a little sharper out towards the far edge of the field. Nevertheless, the 10x70 Astroluxes are more than sharp enough so I don't consider that to be much of an issue between them.

For hand-holdable use the 7x50s are better because of their lower power (i.e., easier to hold steadier), smaller size and lighter weight.

Both binoculars perform superbly for terrestrial use (on longer distance targets). The 7x50s have the advantage of a larger true field and the 10x70s the advantage of providing a larger image scale but no drop off in brightness.

For astronomical use I don't use either of those binoculars very much between the months of October and May because the skies where I observe at during those months are not dark enough to enable either of those binoculars to perform well enough that I'm captivated by the views they provide. My 8.5x42 Swaros and 15x60 B/GATs perform much better under "ordinary dark skies" or in suburban settings.

However, under really dark skies at sites far away from any cities or even small towns, then the two Nikons will excel. However, between those two I find the 10x70s to be more useful and consequently I spend a lot more of my observing time with them than I do the 7x50s. Under perfect conditions I will spend maybe 30-45 minutes using the 7x50s to view everything that I think that I can profitably use them on during mid-summer night observing session. However, with the 10x70s I usually spend about 2 hours with them and on the whole come away much more impressed by what I've seen through them. By the way, I could probably spend even more time using them but have to I have to allocate some time to use with my other binoculars and telescope/binoviewer.

Even though both of those binoculars have large 7mm exit pupils, the 10x power of the Astroluxes does seem to darken the sky somewhat and improve the contrast. Also, there is a signifigant difference in image scale between 7x & 10x.
So on the whole more objects look better to me through the 10x70s than they do through the 7x50s.

The 7x50s show the really fainter Milky Way clouds better than the 10x70s do, but the latter show most of the brighter ones much more impressively than the 7x50s do. But the bottom line is that when I'm at really dark sky sites (which I'm usually at for 4 - 8 hour observing sessions on 5 - 10 nights each summer season)I find in practice that I spend at least 3 times as much time observing with the 10x70s than I do with the 7x50s.

So do I think that you should get a pair of the 10x70s? Well, if you can get to some REALLY DARK SKY SITES where the Milky Way is bold and bright to the naked eye, then yes I would recommend getting the 10x70s. However, if you're not able to get to such sites to observe with them at, then I'd recommend that you consider getting a pair of the 15x60 Doctor Optics Nobilems, the 16x70 Fujinons or the 18x70 Nikons instead.

John Finnan


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rydberg
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: John F]
      #5133051 - 03/21/12 07:05 AM

Hi John:
Thanks for the well thought out reply. What you say makes perfect sense, and I have reached similar conclusions as well. Around here, unless I travel in the furthest reaches of Eastern KY, I'd be better served by a 16X70 or thereabout binocular of good quality. But the design and feel of the classic Nikon is always a draw. I was lucky in acquiring my Prostars (they were basically new at a used price...) and the Astroluxe looks and feel the same. I'd be definitely better served by the Astroluxe 18x70, but they're even rarer the the 10x70...
Thanks again!
Marco


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steve@37n83.9w
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: rydberg]
      #5133788 - 03/21/12 02:19 PM

The 18x70's show up on astromart or ebay occasionally but can still be purchased new...you'll just have to wait for delivery. I purchased mine from optics planet and the sales person said the 18x70's were not a stock item and to expect delivery in about five weeks since they would have to come from Japan. I placed my order and my credit card wasn't charged until optics planet received them (about five weeks later) and shipped them out to me.

For astronomy use I prefer my Nikon IF binoculars not just for their views but especially for their ergonomics. I love the views through my Fujinon but can barely see the full fov because of its huge oculars; however, the Nikon IF series "fit" me perfectly. Actually been thinking about picking up a 10x70 Astroluxe myself, B&H has had them in stock for several months now.

Steve


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: steve@37n83.9w]
      #5133904 - 03/21/12 03:37 PM

I can just drive down the road behind my house and be under mag. 6.5 sky in 30 mins, add .25 mag for each additional 15 mins out.

Hopefully we'll get another clear night soon, the 2hrs I had with them really isn't as much a test as I wanted.

-Chris


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John F
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5134730 - 03/21/12 11:41 PM

Chris,

Regarding the 10x70 Astroluxe vs the 15x60 B/GATs. Both binoculars are superb but as you know, the B/GATs are have been out of production for some time now and when they do show up a nice pair may cost you well over $2000.

The B/GATS are a wide field binocular with a 65 degree apparent field and a 4.33 degree true field. For most objects you would want to use a pair of astronomical binoculars on I think the B/GATS would provide the better views. Their large field is immersive, their higher 15x power shows a lot more detail and it also contributes to those binoculars providing better contrast. If I had to make a choice between the two I'd choose the 15x60s because of their superb perfomance and more all-around versatility.

However, once I had a quality binocular in the 15x - 18x power range and in the 60mm - 70mm aperature range, then I would give strong consideration to getting the pair of 10x70 Astroluxes to suppliment them for use on the Milky Way.

At almost any reasonably dark sky site you will be impressed with the views the 15x60s can provide whereas with the 10x70s you need to be able to get to really very dark sky sites to be able take full advantage of them. I hardly ever use mine except for a few times each Summer when I drive 300 - 400 miles to get to very dark sky sites in Eastern Oregon to use them at.

The 10x70s only have a 51 degree apparent field and when you switch to them after using the 15x60s their field seems somewhat narrow. However, it doesn't take long to get used to them and even grow to like their 51-degree AFOV. I think that may be because your eyes don't have to move around as much and it is less of a strain to use them for long periods of time than a wide field binocular is. Plus their 5.00-degree true field is large enough to satisfy me.

To sum up, the 15x60s are a great all-arounder and more of a must-have binocular (i.e., for the type of capabilities that they provide) whereas the 10x70s are more of a nice-to-have if you're able to get to really dark sky sites to use and enjoy them at.

John Finnan


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: John F]
      #5134741 - 03/21/12 11:56 PM

Thanks John, I have the really dark skies close at hand and get to the "as dark as it can get" locations six or seven times a year.

How does the eye relief compare?

-Chris


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John F
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5134862 - 03/22/12 02:34 AM

Chris,

The published eye relief figures for the two binoculars are 16mm for the 10x70s and 15mm for the 15x60s. I find both to be very comfortable to observe with.

I'm glad to hear that you live in a location where you should be able to get a lot of good use out of your 10x70s. It is really one of the finest binoculars ever made. I bet if they went out of production their used-value prices would start creeping up over time like they did with the Zeiss 15x60 B/GATs and Takahashi 22x60s.

John Finnan


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: John F]
      #5135295 - 03/22/12 11:19 AM

Thanks John, you never know when one might find something for a good price, that's how I came to have these Nikon 10X70's. I wasn't exactly sure what I was getting since I'd never seen a pair in person but they have amazing build quality, though, the fake leatherette covering makes them appear like many of the 11X80's from the 90's.

-Chris


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ronharper
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5135442 - 03/22/12 12:41 PM

On a genuine red ringed Nikon, one would expect REAL leatherette!

Seriously, even though I cannot partake in the brandfest with you guys, I have enjoyed this thread, and all of your comments. Maybe someday I will get myself a 10x70. I want one, but it's hard to justify, owning a 10x50 already.
Ron


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Fomalhaut
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Reged: 08/16/08

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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: ronharper]
      #5135548 - 03/22/12 01:51 PM

Hi Ron,

I don't know you age and therefore suggest you measure if your eye-pupils do reach a night-vision-diameter of 7mm (10x70's exit pupil), and this better before buying.

Mine would not fulfil this criterion any more... (They are just between 5 - 6 mm nowadays...)

Chris


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: Fomalhaut]
      #5135594 - 03/22/12 02:11 PM

I looked at the Fujinon 10X50 but the weight pretty much requires mounting, as do the Nobilem and others, and I was even less sure of the ER, 13mm, than the Nikon, 16.3mm. Once you factor in used pricing decisions become easier.

So little is available on these, for instance, I couldn't locate a report nor anyone who had used the Nikon 10X70 red stripe with glasses....yet they work perfectly if you must wear them.

-Chris


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ronharper
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5135853 - 03/22/12 04:57 PM

Chris,
My eyes are good for about 6.3-6.5mm, so some glass would be wasted. But, I enjoy my 7x50 very much, more than the effective light collection would suggest. In fact, I suspect that the view is so comfortable precisely because my eye fits within the exit pupil, and has some wiggle room. It would be nice to have that experience at 10x.
Ron


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: ronharper]
      #5136051 - 03/22/12 07:11 PM

Ron, even at 6.3mm pupils you are still getting great use from a 10X70...not a lot of 10X63's out there. I use my 7X50 in the city all the time and doubt I'm getting that much but they still provide great views.

-Chris


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5137560 - 03/23/12 05:49 PM

I put these up on the Micro-Star last night an went out at 3am, skies were a little soft with moderate aurora to the north and some large clouds breaking up but it was definitely the best night in the past month.

Scanning the Milky-Way is a lot of fun with these wide fields mounted this way, just as easy as looking without the binos....really like having bionic eyes.

Objects viewed were Tr 37, the cluster in IC1396 in Cephus, NGC 7000 and associated nebula, Gamma Cyg dark nebula, IC 4665, Taurus Poniatowii/ Collinder 359, Scutum Star Cloud including B111, M11 and Basel 1. Collinder 302 / Scorpius group, including M4 and NGC 6144.

Good session, only an hour, hopefully more to come with better sky.

-Chris


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HfxObserver
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Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5532725 - 11/21/12 05:46 PM

Lots of people have written PMs regarding the Nikon 10X70 AStroluxe binoculars and this thread.

I used the binoculars extensively over the summer for milky-way scanning and recently on the moon.

These binoculars continue to impress with the appreciation of IF increasing over time. I was hesitant about IF as never used a pair before the purchase but the other night I put them in the micro-star for some lunar work and did some observing, then caught myself, I hadn't had to focus! This is critical in cold climates and even though it was just -5C it was great to keep the gloves on. The last time I set focus was at dark sky ~500km of driving ago, so they keep focus exceptionally well.

Colour correction is superior to the Canon IS binoculars, though that is one of the few places they beat those exception binoculars.

Although they don't dive as deep as my 22X100's the drawback of those "big binoculars" is that when taken out I might as well have set-up the 5-inch apo. The 10X70 fit the "grab and go", I've taken them out in early mornings to view some clusters and nebulae.

-Chris


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davidmcgo
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Reged: 10/09/04

Loc: San Diego, CA
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: HfxObserver]
      #5532813 - 11/21/12 06:56 PM Attachment (22 downloads)

Glad I'm not the only one who finds these near perfect. I have both the "red ring" 10x70 Astroluxe and also snagged (finally) the earlier 10x70 wide field. For looking at the Moon the Astroluxe coatings are perfection and the eye relief is great. For the Milky Way, I use the wide fields for the added immersive effect (they fit the whole belt and sword of Orion at the same time).

Dave


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SMark
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Reged: 08/29/11

Loc: Atlanta, GA USA
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: davidmcgo]
      #5533160 - 11/21/12 11:52 PM

Dave,

Compare & Contrast those two a little more please. You seem to indicate that the newer coatings might give the 5.1° an advantage over the 6.5°, but that the wider field alone is enough to make you want to use the 6.5° for some views... Anything more you can add to this?

Thanx.


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davidmcgo
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Reged: 10/09/04

Loc: San Diego, CA
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: SMark]
      #5533224 - 11/22/12 12:57 AM

You summed it up pretty well. The older Wide Field model is very immersive but shows a few ghosts on the Moon (kind of a chain of them getting progressively smaller) that move around with small movement of the image. Really only noticeable after 1st quarter phase. The 10x70 Astroluxe are no where near as immersive a view but have much smaller and more comfortable eyepieces (with the straight eyecups), a little sharper, and don't ghost even on a full moon. They are also lighter but somehow more difficult to hold due to increased length.

It's hard to really justify having both but I got them both used for very reasonable prices, the Astroluxe several years ago and the Wide Field more recently. If I had to keep one it would be a tough call but it would likely be the wide field model. Mostly because they feel solid like an anvil. No glue on the prisms, hinge axis 50% larger than the newer style.

Dave


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SMark
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Reged: 08/29/11

Loc: Atlanta, GA USA
Re: Nikon 10X70 IF SP "Astroluxe" new [Re: davidmcgo]
      #5533252 - 11/22/12 01:21 AM

Thanx. The Wide Field is also much harder to come by and the price is going up. A near mint example showed-up on eBay a few months ago and sold for $1,329.

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planetmalc
sage


Reged: 10/21/09

Re: Nikon 10X70 IF SP "Astroluxe" new [Re: SMark]
      #5533639 - 11/22/12 10:01 AM

I make the same choices with my 16 x 70's: it's the Swift with its 80 degree AFOV for the Milky Way, and it's the 64 degree Fujinon for the serious stuff (because it's a better performer).

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