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Mark
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 Posted: Sun Jun 04, 2017 10:25 pm
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
Location: Out Of My Mind
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Erik
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Posted: Mon Jun 05, 2017 10:28 pm
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Joined: Tue Feb 12, 2008 4:58 pm
Location: Off Grid in Paradise... Mag 7 skies
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Hard to tell with photos but that edge performance sure looks good.
_________________ -Erik Wilcox
Homebuilt 16" Truss Dob
8" Antares f/5 Newt
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"Newt Gingrich is what stupid people think smart people sound like."
-The Great Paul Krugman
Evolution is both fact and theory. Creationism is neither. -Anonymous
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Mark
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Posted: Tue Jun 06, 2017 3:32 pm
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
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All true.
The apparent field is only 44 degrees in those, so i guess that's why. lol.
But, those 44 degrees are pretty much sharp to the edges.
_________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Chopin
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Posted: Tue Jun 06, 2017 4:19 pm
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| Velocepedist |
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Joined: Tue Mar 18, 2008 6:28 pm
Location: In search of the ultimate switchbacks and single tracks
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Good contrast, too. Marcus, you had the original PCF design, and available in Mk I, II, III, IV and V variations. Eventually they took the PCF V, improved the seals, and renamed it the PCF WP. I have the PCF WP II series, which was a completely new version. The optical barrels were squared off, and the entire bino is covered in one seamless casing.
These are't my images, but they do a good job to show the difference:
The older PCF WP design:
![[ img ]](https://www.optcorp.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/2/2/2221-l_1.jpg)
The PCF WP II version:
![[ img ]](http://c2b6d376b97bcc466063-5420c200a1f030d1394a9548df6eadbd.r5.cf2.rackcdn.com/img/products/668_1317330338_PCFWPII_10x50_large.jpg)
Optically they were supposed to be identical, although I've heard reports that the PCF had better QC than the PCF WP II, given the older models were supposedly build in Japan before they move later manufacturing to China. That's less of an issue in current 2017, but was definitely still apparent over ten years ago. Mine are fine, but I've read reviews that go in both directions regarding the symmetry of astigmatism correction between left and right sides in the Mk II. Could be the eyepieces, if I were to guess.
Anyhoo, the classic narrow orthoscopic field does keep aberrations down for sure. Mine exhibit very little with regards to astigmatism or CA, although they do possess notable rectilinear distortion (pincushion, specifically). Always a trade off somewhere. I still think about those Vortex bins, but try to keep the spending to a minimum these days, given that I really already have everything that I need. Besides, as always, I think another truss dob project will be in the works soon.
_________________ Jason® (Admin...and spoke-folk)
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Veritable Imagery
Single ride personal records: Distance-76.7miles, Max Speed-50.4mph, Max sustained speed (20miles) 19.5mph
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Mark
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Posted: Thu Jun 08, 2017 9:50 pm
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
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Nice bins Jay !!!
I have a pair of Pentax PCF WP II on the way. I'll post a few pics and impressions of them when I get a chance. I used to own the 12x50 PCF WP II's and thought they were excellent.
Here's two pics of them here. In fact, I traded the 12x50's, (seen here), for the 16x60's, (seen above)...LOL !
| Attachments |
![[ attachment ]](./download/file.php?id=2141&sid=75553931fa7354916f19f8efe46d71a6)
12x50 PCF WP II pic 2.jpg (40.61 KiB) Viewed 12484 times
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![[ attachment ]](./download/file.php?id=2140&sid=75553931fa7354916f19f8efe46d71a6)
12x50 PCF WP II.jpg (48.5 KiB) Viewed 12484 times
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_________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Chopin
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Posted: Fri Jun 09, 2017 4:13 am
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| Velocepedist |
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Joined: Tue Mar 18, 2008 6:28 pm
Location: In search of the ultimate switchbacks and single tracks
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Mark
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Posted: Fri Jun 09, 2017 7:38 am
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
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IQ?
Is one bino smarter than the other? j/k LOL
Or did you mean QC?
_________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Mark
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Posted: Fri Jun 09, 2017 7:44 am
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| molecule |
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Will have to reach back deep into my memory bank for that one.....I'm getting old LOL!
_________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Chopin
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Posted: Fri Jun 09, 2017 8:23 am
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| Velocepedist |
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Mark
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Posted: Fri Jun 09, 2017 10:45 am
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
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IQ?
Is one bino smarter than the other? j/k LOL
Or did you mean QC?
 Well, Pentax is considered magic to many, so maybe there is some hidden intellect... 
IQ is a term that probably stems from my camera background, but should apply. Short for "image quality".
Ahhhh, I see what you mean now. I'll post a mini-review once my 10x50's arrive and see if I can compare to my older pair of 12x50 V's from about 20 yrs ago.... will need luck with that memory, lol)._________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Kawx4d
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Posted: Thu Jun 15, 2017 6:25 pm
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| Steely-Eyed Missile Man |
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Joined: Tue Nov 04, 2008 1:18 pm
Location: According to Heisenberg, I'm uncertain...
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Kawx4d
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Posted: Thu Jun 15, 2017 6:27 pm
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Joined: Tue Nov 04, 2008 1:18 pm
Location: According to Heisenberg, I'm uncertain...
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Chopin
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Posted: Fri Jun 16, 2017 9:30 am
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| Velocepedist |
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Joined: Tue Mar 18, 2008 6:28 pm
Location: In search of the ultimate switchbacks and single tracks
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Mark
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Posted: Sat Jun 17, 2017 10:35 pm
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| molecule |
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Joined: Thu Apr 10, 2008 1:57 pm
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I wish I'd have kept my Pentax as well.
As an update I also grabbed the Vortex 8x42 Talons. 8.1* TFOV. I do not see much difference in performance compared to the Vipers, but the increased AFOV & TFOV are very nice. I tend to use them more than the Vipers for that reason. The Vipers do edge them out slightly optically but IMHO not enough when you take the field size into consideration. The Talons are just more aesthetically pleasing. The MW sweeps are killer.
WTF?!? Why are you back on topic??? Can't you see we are trying to derail this thread...!
HAHAHAHAHAHAHAHAHAHAHAHAHA 
ROFL !!!!_________________ https://www.youtube.com/user/DoktorDamage
https://www.youtube.com/user/TheSpectralReview
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Chopin
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Posted: Mon Jun 19, 2017 8:03 pm
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| Velocepedist |
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Joined: Tue Mar 18, 2008 6:28 pm
Location: In search of the ultimate switchbacks and single tracks
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Kawx4d
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Posted: Tue Jun 20, 2017 3:10 pm
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| Steely-Eyed Missile Man |
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Joined: Tue Nov 04, 2008 1:18 pm
Location: According to Heisenberg, I'm uncertain...
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