Olympus EE-1 Red Dot Sight m42 and compatibility with a huge

and compatibility with a huge system of lenses

This nifty little addition of the split body allows for the side with the lens to rotate 180 degrees

base diameter is approximately 72mm

with some finish wear

Olympus EE-1 Red Dot Sight m42 and compatibility with a hugeThe Olympus EE 1 is a red dot sight designed to make supertelephoto photography a bit easier: instead of peering through the lens and desperately trying to figure out what you're pointing at with your 1 degree view, you can mount this sight to the top of your camera and very easily get things pointing generally in the right direction. In excellent condition, with original box.