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Swarovski ATX 95 binoculars

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#1 Tamiji Homma

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Posted 21 July 2013 - 12:41 PM

I came across interesting binoculars using new Swarovski spotting scope module and Matsumoto-san's EMS. The owner said that it produces good image even at 158x (Nagler 3.5T6), and Nagler 16T5 is most used eyepiece (34.5x).

http://blogs.yahoo.c...d=64042218&no=0

http://blogs.yahoo.c...d=64042218&no=3

Tammy

#2 edwincjones

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Posted 21 July 2013 - 12:45 PM

interesting - yes

quality- high

cost :question:

#3 SMark

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Posted 21 July 2013 - 06:35 PM

interesting - yes

quality- high

cost :question:



I don't think it would be too hard to finish this one...

interesting - yes

quality - high

cost - :shocked: :ohgeeze:

#4 edwincjones

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Posted 21 July 2013 - 08:02 PM

$10,000+

#5 hallelujah

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Posted 21 July 2013 - 08:24 PM

http://www.longrange...noculars-55264/ :grin:

#6 edwincjones

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Posted 22 July 2013 - 05:54 AM

http://www.longrange...noculars-55264/ :grin:


I wonder how hard these are to adjust for only one, equal image?

edj

#7 Tamiji Homma

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Posted 23 July 2013 - 09:05 PM

I read some more with great interest :)

In terms of cost, two ATX 95 objective lens modules $3,800, EMS $1,600, guesstimate of other parts $1,000+. I guess around $7,000 compact 95mm f/5.8 binoscope.

I think Swarovski ATX objective lens module includes field flattener. There is a report below, stating that it produces pin-point star to the edge with Nagler.

Yes, it is expensive binoculars but it is fun to read someone is having fun.

Mostly in Japanese but you can use Google Translation.

http://www.page.sann.../f5process5.htm
http://www.mazmoto.s...e/kuroki3.shtml

Tammy

#8 DRodrigues

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Posted 22 August 2013 - 06:49 PM

... The owner said that it produces good image even at 158x (Nagler 3.5T6)...
Tammy


Very interesting Tammy!
I was thinking if the Swaro 95 could replace my TMB92 on my cr-birding combo http://www.pt-ducks....htm#Test of 82º,%20100%C2%BA%20and%20102%C2%BA%20AFOV%20zooms and your links reinforce my idea. For bino-cr combo http://www.pt-ducks....#CR-binoviewing it has probably too long focal length and I'm not sure if wouldn't need an additional focuser to allow focus on all power range...

#9 Joe Ogiba

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Posted 22 August 2013 - 07:35 PM

I wonder if a pair of 13mm Ethos would work with that setup since they work great in my Denk II binoviewer .

#10 Kimmo Absetz

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Posted 24 August 2013 - 11:21 AM

David, Tammy,

I have been using an ATX 95 since last Spring, and have no doubt it can hold up well up to 158x providing you get a good sample of the scope. Mine has essentially perfect optics, star-testing better than any scope I have tested previously, and that includes by now probably over a hundred scopes by Nikon, Zeiss, Leica, Swarovski and Kowa. When the ATX became available in the US, Henry Link posted on Birdforum about comparing the ATX 95 and 85 to his Astro-Physics 92mm Stowaway, noting that although that particular sample of the ATX 95 had some mild SA and very slight astigmatism, it resolved the same. I have by now seen several samples of the 95 which are about as good as mine, although obviously they are not all cherries.

The only other scope that has exhibited similar overall quality aberration-wise is the Kowa 883, but it has 8% smaller aperture and over 10% lower light transmission.

What I don't know is how the quality of the prism system used in this binocular version compares with the ATX prism assembly, but the objectives certainly have very high potential.

Kimmo

#11 Mark9473

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Posted 24 August 2013 - 02:28 PM

Kimmo, how do you get to 158x with the ATX95? And do you have a link to Henry's test?

#12 Kimmo Absetz

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Posted 25 August 2013 - 02:49 AM

Mark,

I use a Zeiss 3x12 monocular as a tripler, allowing magnifications up to 216x on the ATX 95. This is plenty for star-testing, and is fun on the moon and planets as well.

Here's the link to Henry's observations: http://www.birdforum...ad.php?t=242134

I would add that my own ATX 95, which I did not yet have when I wrote the contributions I made to that thread, has so little SA that if I could have it corrected further, I don't actually know which way it should be tweaked. It also has no coma and no astigmatism on axis. The only deviation from perfect I can see is that in optimally focused Airy disk, the very faint and thin first diffraction ring thins out to almost vanishing at NE, SE, SW and NW if you imagine the ring as a compass ring with north at top. To see this at all, you need to boost the magnification above 150x. This is, I believe, the residual effect of a really excellent quality Schmidt prism roof edge, which in less successful prism units usually causes pinching type aberrations or even outright astigmatism. Not all the ATX prism units I have seen are this good, but a surprisingly large percentage of them are easily good enough not to compromise the performance of the scope.

Kimmo

#13 Mark9473

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Posted 25 August 2013 - 03:17 AM

Thanks Kimmo. It sounds like it would make a great compact lightweight telescope for astronomical use.

#14 Kimmo Absetz

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Posted 25 August 2013 - 09:29 AM

Mark,

It is a great compact relatively lightweight telescope for any use, but only if you are satisfied with the range of its zoom, which is 30-72x. Unless, that is, you use something like the prism units in the original post. And since Swarovski has obviously optimized the optical design for their whole package, objective, prism and integrated eyepiece, it may well be that the aberrations would be less well controlled with something else behind the objective.

The Zeiss tripler is fine for star-testing, but puts quite a lot more glass between the scope and the eye. Thus the image brightness and contrast are significantly reduced and the combo is no match to a proper astronomical scope. The scope itself at 72x or below, on the other hand, is about as good as it gets.

For a great, compact lightweight telescope for astronomical use and more, the just-introduced Nikon Monarch Fieldscope series, if it turns out it can utilize 1 1/4" astro eyepieces as seems possible from the specs, could be a better choice, although the max aperture is only 82mm.

Kimmo

#15 Mark9473

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Posted 25 August 2013 - 02:36 PM

Thanks; that's something to keep in mind.

#16 Tamiji Homma

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Posted 26 August 2013 - 10:10 AM

Thanks, Kimmo for valuable feedback on ATX 95.

I am good with 30-72x as spotting scope.
The heavy TMB 92SS can retire from spotting scope duty.

I'll give ATX 95 a try :)

Thanks.

Tammy

#17 DRodrigues

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Posted 27 August 2013 - 12:06 PM

I am good with 30-72x as spotting scope.


Unfortunately I need higher mags... :bawling:

The heavy TMB 92SS can retire from spotting scope duty.
Tammy


It's also my idea on using the 95 mm X lens module with the rest of my combo - I'm trying to keep also the 100º AFOV... ;)

#18 Tamiji Homma

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Posted 27 August 2013 - 07:18 PM

Hi Kimmo,

I received Swarovski ATX 95 today.

I'll test both ATX 95 and TMB 92SS side by side when I get a chance. I'll report in Refractor Forum after I have enough time to play with.

ATX 95 is a lot more portable than TMB 92SS. I am sure TMB 92SS is going to retire from spotting scope duty.

Posted Image

Tammy

#19 Tamiji Homma

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Posted 24 October 2013 - 01:01 AM

I got word from Matsumoto-san today.
The Swarovski ATX 95 binoscope will be ready in a few weeks.

He has been busy working on other binoscopes for Japanese star party called "Soh-bo-e", two-observe-meeting or binoculars star party on Nov. 1st-3rd.

http://soboe.web.fc2.com

You can follow link to see many unique ATM binoculars, scopes there.
http://soboe.web.fc2.com/report.html

Some photos from 2012
http://soboe.web.fc2...report2012.html
I found interesting binoscope, built with two Nikon 600mm f/4 camera lenses.

Tammy

#20 Kimmo Absetz

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Posted 24 October 2013 - 03:38 AM

Tammy,

How much will the parts from Matsumoto-san come to cost? Although I doubt I'll ever do it, some mild interest is beginning to well up in me as I already have 1/4 of the binoscope in my TX 95 objective. Only one more objective, two eyepieces and the binoscope kit.

Kimmo

#21 Mark9473

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Posted 24 October 2013 - 08:13 AM

That sounded desperately optimistic, Kimmo. :lol:

#22 Tamiji Homma

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Posted 24 October 2013 - 09:28 AM

Hi Kimmo,

Here is quote that I got from Matsumoto-san without two ATX 90 objective modules:

136,500 yen EMS-UM binoculars set
10,500 yen: Two ATX95 connectors (Bayonet) for EMS-UM
39,900: Binoscope mount with handle

Total $1,920.70 at today's exchange rate (97.3081 yen-to-US dollar)

Here is his "BINO MAKING Progress Report." 2013- page.
http://www.page.sann.../f5process5.htm

He has been busy making interesting products.

Tammy

#23 Kimmo Absetz

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Posted 25 October 2013 - 02:20 PM

Mark,

I'm glad you understood my humor, but actually the monoscope ATX 95 comes so close to my dream instrument that its unlikely I'll ever really go for the binoscope.

Tammy,

Despite it being unlikely I'll ever get a binoscope, I'll be very interested in hearing how Matsumoto-san's EMS-UM mirror assembly compares with Swaro's prism-ep unit. It is possible and even likely that the prism is figured in the equation for optimizing the image quality of the ATX/STX system, and it will be very interesting, not just for me, to know if there is a visible change in SA and CA levels between using a Schmidt prism or a pair of mirrors behind one and the same objective unit.

Kimmo

#24 DRodrigues

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Posted 25 October 2013 - 04:09 PM

Kimmo,
If light availability and contrast is very important for you I advise you to never look through a X95 with the EMS... :lol:
In one of the earlier links that Tammy sent was mentioned a bit of SA.

Tammy
Thanks for continue to post info and like Kimmo I'm very interested in your tests ;)
I noticed a special version of the EMS for the X95 being developed. If you will conclude in a good image quality of this combo, I'm seeing many astro users going to this solution without the bino setup...

#25 a_adam

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Posted 26 October 2013 - 12:42 AM

He has been busy working on other binoscopes for Japanese star party called "Soh-bo-e", two-observe-meeting or binoculars star party on Nov. 1st-3rd.

http://soboe.web.fc2.com

You can follow link to see many unique ATM binoculars, scopes there.
http://soboe.web.fc2.com/report.html


Brilliant! I just love the manga styled Takahashi near the bottom of this list: http://soboe.web.fc2...tadio_mono.html

Thanks for that! :)






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