Using Gehmann Iris 390

Go down

Using Gehmann Iris 390

Post by Sheriff1962 on 9/13/2018, 5:50 pm

Someone please educate me about reasons for using something like Gehmann 390.  How would it help ?

Sheriff1962

Posts : 121
Join date : 2018-07-04

Back to top Go down

Re: Using Gehmann Iris 390

Post by Chris Miceli on 9/13/2018, 6:01 pm

optimum alignment to the eye and perfect depth of field to the target is what the ad says. Most people use them to try and focus the front sight better. 
avatar
Chris Miceli

Posts : 2640
Join date : 2015-10-27
Location : Northern Virginia

Back to top Go down

Re: Using Gehmann Iris 390

Post by Sheriff1962 on 9/13/2018, 6:14 pm

How much field of view is recommended?

Sheriff1962

Posts : 121
Join date : 2018-07-04

Back to top Go down

Re: Using Gehmann Iris 390

Post by mspingeld on 9/13/2018, 6:15 pm

It will allow you to see both the front sight and the target in sharp focus. Not necessarily an advantage (IMHO). For me, it encouraged my focus to wander away from where it needed to be (front sight). I found the blurry target helpful in that regard. Only the front sight needs to be sharp.

mspingeld

Posts : 355
Join date : 2014-04-19
Age : 58
Location : New Jersey

Back to top Go down

Re: Using Gehmann Iris 390

Post by AllAces on 9/13/2018, 9:26 pm

I used one for 10 meter air pistol and saw a 20 percent i crease in scores.
avatar
AllAces

Posts : 715
Join date : 2011-08-30

Back to top Go down

Re: Using Gehmann Iris 390

Post by Sponsored content


Sponsored content


Back to top Go down

Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum