Gehmann 344 Lens Centering Device for Shooting Glasses Size:23mm Nitrogen-filled and waterproof

Nitrogen-filled and waterproof

the book also covers Irish Water Spaniels

The harness is generously padded with 3D air-mesh on the underside of the straps and belt

built for law enforcement

Gehmann 344 Lens Centering Device for Shooting Glasses Size:23mm Nitrogen-filled and waterproofThe Gehmann 344 is a centring device for the lens holder systems fitted to target shooting glasses, used to get a lens or iris perfectly aligned with the eye before a match. It pushes on to the lens holder and sits in front of the lens, or the open iris shutter, while the shooter checks the sight picture: once the target bull appears as a perfectly round circle, the lens is centred, and the device is simply pulled off again. It comes in two fittings