Duplicating Eagle eye effect in shooting lens

Moderators: pilkguns, Marcus, m1963, David Levene, Spencer

Post Reply
Bryan996
Posts: 100
Joined: Fri Oct 04, 2013 9:06 am
Location: Surrey

Duplicating Eagle eye effect in shooting lens

Post by Bryan996 »

I'm looking to remove my 0.3 eagle eye and move the magnification to my shooting lens instead (not ISSF prohibited). My current prescription is +0.25, would it be as simple as changing to +0.5 or would it become +1.5 (as eagle eye is sometimes listed as x1.3 magnification)?

thanks
Martin H
Posts: 153
Joined: Fri Aug 11, 2006 2:01 am
Location: New Zealand

Re: Duplicating Eagle eye effect in shooting lens

Post by Martin H »

My guess is that your prescription is going to stay at +0.25. This keeps the same focus on the foresight but the target image will just get smaller and sharper.
You will have to reduce your foresight size as the target is now smaller.

If you increase your prescription to +0.50 you will decrease focus on the target without achieving any significant magnification. All you will achieve is to decrease the focus on the target and increase the focus on the foresight.
A 0.3 diopter only achieves it's magnification because it is positioned a long way from the eye at the end of the barrel.
Cheers
Martin
User avatar
ShootingSight
Posts: 318
Joined: Fri May 18, 2012 9:37 pm
Location: Cincinnati, OH
Contact:

Re: Duplicating Eagle eye effect in shooting lens

Post by ShootingSight »

Magnification is a function of both lens power and lens distance. If you put it in your glasses it will be too close to magnify much.
Art Neergaard
ShootingSight LLC
www.shootingsight.com
info@shootingsight.com
513-702-4879
Post Reply