TargetTalk

Going to do some Prone shooting to go along with my BR.
I'll be using a GX-1 and am looking for advise on sight set-up.
I have the updated Walther rear and am planning on getting
an 8" or so extension.
My eyes are fuzzy up close - can focus at about a foot.
What sights and sight picture would you suggest for 100-200yd.

Any advice will be greatly appreciated.
Thanks.

750k2,

If you are looking to get an extension tube, you might want to think of a 22mm foresight tunnel. These give a slightly brighter picture with a tube than the standard 18mm Anschutz tunnels (or the older 16mm Walther).

I use Centra hi-end elements, these have a metal ring set into polsihed glass. The ring is available in think or thick rings. Obviously there would be metal or perspex elements as an alternative. I find a 5.0mm apertue is right with an 8in tube, on 8moa NSRA.ISSF targets, this is of course a personal choice.

If you haven't already, you might consider an appointment with an optometrist. Even with an extension tube, it might be easier to focus with the correct prescription lens. Some older shooters will also use a foresight lens to keep the target in focus; if this is palced in front of the foresight element, it will require a larger size aperture, than without. You may want to check on US-NRA ruels regarding the use of foresight lenses, these are not allowed in ISSF events.

Sight pictre should eb the same for any distance. Keep the foresight in focus. Adjust the eyereleif until the foresight is in sharp focus; usually the rearsight will be 1-3in from your eye. If you have a rear iris, use this to fine tune the picture.

Tim S

Exeter UK

one of the globes - Krinkle finish - I believe this is original to rifle has one insert. It is slightly smaller than my Anschutz inserts which fit the updated
globe I also have, Is this the 16mm you spoke of?
Where would I find inserts for this - are they the same size as Parker-Hale?
Lee Shaver makes inserts and would like to use the original globe in some of my shooting.
For most I'll use the New style rear (Walther) with a Gehmann iris and a Centra adj. front.
The target is sharp - I just have trouble dialing the iris down as far as I think
I want.
Am I worrying about nothing?
Thanks

Yes the old Walther were nominally 16mm; Anschutz are nominally 18mm, and Feinwerkbau are nominally 22mm. If you have an 18mm foresight that fits, I'd use that over the Walther as you can use the Centra adjustable aperture. Using all original fittings isn't really important amongst target shooters. A 22mm foresight, might be preferable with an extension tube, giving more light around the larger element, but the 18mm will work. Walther now fit a Centra 18mm tunnel as standard.

By dialing down the iris, do you mean the rearsight aperture or the foresight? My optician (also the County smallbore vice-captain) recommended closing the rear iris all the way down, then open it up until you get a clear edge (not too much or you can loose depth of focus). For the foresight, chose the largest aprture that is comfortable; there will be a scatter of refracted light from the inner edge of the foresight ring, a larger aperture places this scatter further form the target. My 5.0mm element would equate to about 4.0mm without the 8in extension.

Your focus should be on the foresight, a nice sharp ring. The target will be slightly out of focus. If the target is so out of focus that you just can't see it, you need to see your optician, or get a foresight lens. I'm long sighted and have a prescription lens just for shooting to bring my focus onto the foresight. Without the lens I focus more clearly on the target, and have to mentally decide to focus on the foresight.

Tim S

Exeter UK

I thank you much - You have been a big help.