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Downward Bound
Adrenaline Junkie


Reged: 03/29/06
Posts: 3106
Loc: Seattle
Orion Mini Giant 15x63 opinions? new
      #943054 - 05/05/06 05:53 PM

I’m considering a pair of Orion 15x63 “Mini- Giants and I’m curious if anyone can share their experience with these. I will use these almost entirely for astro use -- occasionally hand-held for quick views and sometimes tripod mounted for more extended sessions and sharing views with my wife and girls. I also like the small to mid size for portability (and for hand held).

Eye relief: 19mm
Exit pupil: 4.2
FOV: 3.7*
Weight: 2 lbs 9 oz.
Price: $219

Thanks in advance for your opinions and any recommendations for other ‘binos to consider in this price ($200-300) and spec range.

--------------------
Bill


'flectors: R200SS, Webster/Kennedy 22" f/3.6
'fractors: PST, AT-66, TV-85, FS-102, APM/TMB-152
'bins: 15x63, 10x50, 10x52, 22x85
410+028B, Sphinx, Telepod, EZ Touch, G-11


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Rich N
Post Laureate


Reged: 09/22/04
Posts: 5618
Loc: San Francisco Bay Area, Calif...
Re: Orion Mini Giant 15x63 opinions? new [Re: Downward Bound]
      #943076 - 05/05/06 06:08 PM

Hi Bill,

I have an Orion Mini Giant 15x63 that's a few years old, so the new ones may be a little different. It is very portable. It balances well in my hand. The eye relief is very good.

My only nit pick, the star images are good but not as pin point as in my Canon 15x50 IS. As you can guess the Mini Giant 15x63 is hard to hand hold steady enough to get really useful views of the night sky. However, on a tripod the Mini Giant is fine.

Rich


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Downward Bound
Adrenaline Junkie


Reged: 03/29/06
Posts: 3106
Loc: Seattle
Re: Orion Mini Giant 15x63 opinions? new [Re: Rich N]
      #943091 - 05/05/06 06:19 PM

Thanks Rich.

The Canon 10x42L IS was my first choice, then the 15x50 IS, then the 12x36 IS.....and then...

I'd probably go with the 15x50 IS if I could part with one large. But, I just ordered a 12" Lightbridge and I want to have some change left over for an EP or two.....all to keep me busy while a I save and shop for a 4" apo + mount sometime in 2007.

Thanks for your input!

Edited by Downward Bound (05/05/06 06:20 PM)


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KennyJ
The British Flash


Reged: 04/27/03
Posts: 20139
Loc: Lancashire UK
Re: Orion Mini Giant 15x63 opinions? new [Re: Downward Bound]
      #943106 - 05/05/06 06:36 PM

Hi Bill ,

I really wish I could help here , but the only way in which I think I MAY do is by asking those who actually own a specimen of this model to check the minimal IPD setting and report back to you here .

Your mention of " the girls " has conjured images of intended users whose eye pupils may be too close together to be able to align the exit pupils to their eyes .

Apart from THAT , in THAT price range , for 15x binoculars , I'm not aware of any which are REPORTEDLY any better .

Oberwerk 15 x 60 is certainly LESS EXPENSIVE , as is the 12 x 60 version , which has a far wider TFOV .

For around $250 , a completely DIFFERENT proposition of a lower powered binocular can be obtained in the shape of a Captain's Helmsman , with a 7.2 degree TFOV .

It maybe too large PHYSICALLY for a child to handle , but optically and mechanically , it belongs to a higher league than any of the several Orion binoculars or single Oberwerk model I've tried .

Kenny

--------------------


Milton Wilcox R.I.P






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SaberScorpX
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Reged: 01/12/05
Posts: 4224
Loc: illinois, usa
Re: Orion Mini Giant 15x63 opinions? new [Re: KennyJ]
      #943489 - 05/05/06 11:53 PM Attachment (159 downloads)

15x63MG eygernomics:

IPD 58-72mm
Lens Diameter 22mm
ER 19mm (spec) 17mm (useable)
Long rollback eyecups
AFOV also appears significantly larger than the spec-
indicated 55°.
While the soft rubber is very comfortable, eye placement
is fairly critical to avoid blackout/KB.

Very favorable thumbs-up here.
My most used mid-power bino and a worthy investment.
No astigmatism, minimal CA and, in my specimen,
a 95% coma-free/useable FOV measured closer to 3.9°.

While tripod-adaptable, I find the lightweight
ergonomics perfect for extended handheld excursions
as well.



Stephen Saber
PAC/Astronomical League
http://www.geocities.com/saberscorpx/home.html

Attachment


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EdZ
Professor EdZ


Reged: 02/15/02
Posts: 18806
Loc: Cumberland, R I , USA42N71.4W
Re: Orion Mini Giant 15x63 opinions? new [Re: SaberScorpX]
      #943732 - 05/06/06 07:19 AM

Orion 15x63 Mini Giant

I measured:

True field of view at 3.8°, that's a 57° Afov

Sharpness of images good to 80% of field, poor in the outer 20%, but that is on average. The sharpest point in the exit pupil was off center. I've mentioned this about a few binoculars, previously the Oberwerk 22x100 and most recently the Garrett 20x80. What I mean is the sharpest resolution is not in the center of the lens and distortion starts closer to center on one side of the view than it does on the other.

The prisms are either slightly shifted or are too small to span the entire prism shelf hole. There is a prism edge exposed, cutting off about 5% of the incoming light.

While the maximum resolution was very good, it was no better than an Oberwerk 15x70. The overall light gathering and light transmission was not as good as the Oberwerk 15x70. In all cases, whether observing point sources for Lim Mag, or extended objects for contrast, (as expected due to the 70mm) the Oberwerk was able to see more.

The Orion Mini Giant was by far the lightest 15x binocular I've ever held. And it does have a nice sharp on-axis view. But, to me, other than that, it provided no advantages over some other 15x or 16x binocular that I have, and did not justify the extra cost.

edz

--------------------
Teach a kid something today. The feeling you'll get is one of life's greatest rewards.
member#21


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Downward Bound
Adrenaline Junkie


Reged: 03/29/06
Posts: 3106
Loc: Seattle
Re: Orion Mini Giant 15x63 opinions? [Re: EdZ]
      #946090 - 05/07/06 11:38 PM

Kenny - thanks for the tip about the eye alignment for children - that was a point I hadn't considered as yet, but now I will (although my 10 y.o. daughter is now 5' and 90+ lbs wearing women's 8.5 shoes!). I had not considered the Helmsman either but I'll look in to that as well.

Stephen - thanks for your thumbs up report on the 15x63. I will certainly look in to both the Helman and the Oberwerk 15x70 but it sound like I can't go wrong with the 15x63. The size could be the deciding factor for use by the rest of my family and as the pair that gets packed in the backpack or carry-on bag.

Great points Edz - - I'll definitely look in to the Oberwerk units to compare --- likely better views for the money if the size is workable.

Thanks to all for taking the time to share your ideas - I greatly appreciate your assistance!!

--------------------
Bill


'flectors: R200SS, Webster/Kennedy 22" f/3.6
'fractors: PST, AT-66, TV-85, FS-102, APM/TMB-152
'bins: 15x63, 10x50, 10x52, 22x85
410+028B, Sphinx, Telepod, EZ Touch, G-11


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