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Bushnell Elite - 70mm vs. 80mm

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/16/2006 at 22:47
Big Whip View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: November/03/2005
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First off, let me say thank you to everyone here for the help on my new binoculars (Pentax DCF SP 10x43) and scope (Zeiss Conquest 2.5-10x50).  I'm thrilled with both, and think they have to be about the two best values in their categories.

 

Next up, it's time for a spotting scope, and think I have it narrowed down to the Bushnell Elite, either the 20-60x70mm, or 20-60x80mm.  It will be used mainly for elk and mule deer out west.  My biggest question is, do you think the ED glass in the 80mm is worth the extra $300?  As far as I can tell, that is the main difference, besides the extra 10mm of course.

 

Thanks again for all the help.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/17/2006 at 09:21
silver View Drop Down
Optics Master
Optics Master


Joined: November/04/2005
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My knee jerk is yes.  I think you should take a look to see how many elements are ED as a pratcial matter. IGiven the wide range in quality for Bushnell I'd think it is a must. Have you taken a look at the Nikon ED spotters?

 

From Nikon's 2004 Nikkor camera lens cataloge: ED Glass is an essential element of Nikkor telephoto lenses. Nikon developed ED (extra low Dispersion) glass to enable the production of lenses that offer superior sharpness and color correction by minizing chromatic aberration.

 

Put simply chromatic aberration is a type of image and color dispersion that occures when  light rays of varying wavelenghts pass through optical glass. In the past correcting this problem for telephoto lenses required special optical elements that offer anomalous dispersion characteristics--specifically calcium floride crystals. However, fluortie easly cracks and is sensative to tempature changes that can adversely affect focusing by altering the lens refractive index

Snip Typos mine

 

Nikon is using ED glass in more and more lenses for digital cameras.  This stuff is sharp and I'm used to good lenses (and yes I have the hots for a D200) 

 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/17/2006 at 20:07
Big Whip View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: November/03/2005
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Oh, I'm sure the ED glass does wonders, but the question I have, is it 60% better?  There comes a point where the cost outweighs the improvements.  I think in the Conquest and the Pentax SP I found two examples of products that are easily the best in their price range, and to get a comparable item you would have to spend a significant amount more.  Now I'm searching for the same in spotting scopes.  The Bushnell Elite 70mm, from what I have read and seen for myself, seems to be just about the best under $500.  But if I were to move up to the $800 range, is it still the best, or are there now other spotters that are just as good or better?

 

Now that I look at it, I guess I have two questions.  Is the ED glass worth the big jump in price?  And if I do make the jump, is the Elite still the best buy?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/19/2006 at 21:23
Big Whip View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: November/03/2005
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Well, I guess the differences are now a moot point.  A friend of mine is a good friend with a Bushnell rep, so I was able to get the 20-60x80 for a deal too good to be true.  Just picked it up tonight, and couldn't be happier. 
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