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

and compatibility with a huge system of lenses

with some finish wear

base diameter is approximately 72mm

plus a couple of selectable focus and exposure modes for more creative shooting

This is just tubes: a lens is sold separately

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.