The AKZ30 is a tilting triple-prism assembly: three 62mm copper-coated prisms in canisters on a polycarbonate mount, aluminum holder with 5/8-11 threa..
The G31001-FOB is the same 64mm silver-coated circular prism assembly as the YLB variant, differing only by canister colour and order code, with an an..
The G31001-YLB is a 64mm silver-coated circular prism in a tilting anodized-aluminum holder with 0/-30mm offset, fitting any 5/8-11 pole, with a rear-..
