Need advice on eye focus problem in prone position

[JimGnitecki]

I think I see at least the potential for another, simpler potential solution:
It looks like I can buy on eBay a "Varga 2000 23mm Rifle Shooting Frame Right eye w/ ISSF eyeshield"

This is apparently a shooting optical "eyeglass" setup that has a fully adjustable "frame" that allows you to extend or retarct the nose bridge to raise or lower the eyeglasses and to separately adjust the angle of the eyeglass lens . It also includes an opaque "lens" for the non-shooting eye, so that you lose the muscle and focusing effort required to focus the shooting eye while keeping the non-shooting eye open.

This system provides a round 23mm diameter lens holder, and you have your eye professional make a 23mm lens to fit in it. I think they picked 23mm for the diameter to keep the lens small enough that it won't interfere with a hat or anything else. 23mm (0.9 inch) of course is more than enough diameter when the lens position is adjustable to anywhere in 3D space.

That solution is not very costly, even here in Canada (our dollar is worth less than $0.80 US currently). It looks like the Varga "kit" is about $135 Canadian, plus the cost of a 23mm prescription lens.

Maybe?

Jim G

 

[Tilos]

That's a reasonable suggestion to try! I can fairly easily try a HIGHER rifle position, as the Rempel front bipod is easily adjustable, and I can place one or multiple books under the rear bag temporarily.

Going down though will not be possible with the rear bag - it cannot be lowered. All I can do is try shooting with the Rempel bipod lowered and NO rear bag. That will very adversely affect my group size, as the rear bag made a BIG improvement when I started using it. It's very heavy with the special "heavy sand" and the ears force the rifle to recoil very straight rearward and very consistently. But, if shooting without it with the rifle lower improves the eye focus, that would tell me that I should get a lower bag.

I'll try both higher and lower rifle elevation next time I go to the range! I'll also bring a couple of heavy books of differing thickness so that IF shooting with no bag does improve the focus, then I will try incrementally elevating it until the focus degrades. That will let me know how tall a bag I CAN use.

Jim G

Have you considered HIGHER scope mounts?
just askin',
.

 

[JimGnitecki]

Have you considered HIGHER scope mounts?
just askin',
.

Yes, I already have a high one-piece scope mount AND a 0.5" Picatinny riser under it. The bottom of the scope bell is now 13/16" above the top of the barrel, and the scope's optical centerline is 2-3/8" above the centerline of the bolt. I suppose an even higher Picatinny riser might be available. I HAVE noticed in photos of serious Olympic air rifle shooters that they seem to have their peep sight and front sight mounted VERY high above the bore line. But i have always been told that you want to keep the height of the scope as low as works for you, in order to prevent the serious sighting errors that a very elevated scope can produce if you don't hold the rifle PERFECTLY level when shooting.

Jim G

 

[Tilos]

Yes, I already have a high one-piece scope mount AND a 0.5" Picatinny riser under it. The bottom of the scope bell is now 13/16" above the top of the barrel, and the scope's optical centerline is 2-3/8" above the centerline of the bolt. I suppose an even higher Picatinny riser might be available. I HAVE noticed in photos of serious Olympic air rifle shooters that they seem to have their peep sight and front sight mounted VERY high above the bore line. But i have always been told that you want to keep the height of the scope as low as works for you, in order to prevent the serious sighting errors that a very elevated scope can produce if you don't hold the rifle PERFECTLY level when shooting.

Jim G

A quick look at a barrel mounted level before each shot would confirm the gun is in the same plain shot to shot.
Bubble levels are common on target rifles.
jmo,
.

 

[citizenconn]

You may think you are but my bet is that you aren’t. Your angle and head position are different in prone vs bench. The Rx in your daily wear glasses isn’t uniform edge to edge and progressive bifocals only exacerbate the problem.

I always suspected Nature Boy was a serial exacerbator.

 

[Nature Boy]

I always suspected Nature Boy was a serial exacerbator.

There are certain counties in Texas where I can go to jail for that. I think it's called "public exacerbation"