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Is 40x too much for a 50mm ED lense? |
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Chris in NorCal
Optics Apprentice Joined: November/16/2005 Location: United States Status: Offline Points: 56 |
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Posted: March/11/2007 at 19:05 |
I've decided on the Nikon 50mm Angled Fieldscope but I'm thinking of getting the 13-40 instead of the 13-30. Would 40x be over kill for this scope?
http://www.swfa.com/p-5010-new-nikon-13-40x20-60x25-75x-zoom -eyepiece.aspx Edited by Chris in NorCal |
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silver
Optics Master Joined: November/04/2005 Location: United States Status: Offline Points: 2291 |
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Not really |
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"If we weren't all crazy we, We would go insane." Jimmie Buffet
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anweis
Optics Master Joined: January/29/2006 Status: Offline Points: 1148 |
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It would not be too much for looking at targets at the range, but if you want to see game in the wild... at 40x the shakes and the vibration will be very visible. You better have a very stable tripod for that scope - and if you are to lug a 10 pound tripod, why have a small scope? Also, at 40x the image will be dim. After all, 40x50 translates into an exit pupil of 1.2 mm. I would get a 20x or 30x wide angle. Edited by anweis |
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anweis
Optics Master Joined: January/29/2006 Status: Offline Points: 1148 |
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as far as zooms, 13-30x is plenty enough for that scope and any kind of use.
Edited by anweis |
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1stscope
Optics GrassHopper Joined: January/14/2007 Status: Offline Points: 66 |
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I have a 'junk department store' 50mm f12 Tasco that someone gave me, and after lots of shimming, blackening, adjusting the air space on the objective, and using my astronomy eyepieces from my other scope, I've been able to see the shadows from Jupiter's moons as they move across the planet, bands on Jupiter, etc., at 120x. It's a lower contrast view as the objective doesn't appear to be fully coated, but the resolution is better than I expected to get out of it.
If the scope is capable then 40x will be useful for higher magnification viewing.
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zeissoem2
Optics Apprentice Joined: March/18/2007 Location: Norway Status: Offline Points: 119 |
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50mm and 40x is not big enough.
Sometimes I feel that 100mm is small to my 25x |
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Chris in NorCal
Optics Apprentice Joined: November/16/2005 Location: United States Status: Offline Points: 56 |
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What is that thing?
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zeissoem2
Optics Apprentice Joined: March/18/2007 Location: Norway Status: Offline Points: 119 |
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Somet 25x100 made by Zeiss parts.
I have counted sheeps in a distance of 14km with this one |
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lucznik
Optics Master Joined: November/27/2004 Location: United States Status: Offline Points: 1436 |
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Sounds like a task that would put me to....
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What if the hokey pokey really is what it's all about?
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