3 Legged Thing Universal L Bracket lens mount_Sony E This is a round metal

This is a round metal hood designed for the Nikon F 105mm f2

Leitz GGr (green) filter for many Summilux lenses and others with a 39mm filter thread

and video framerates to 1080p/60

If you're reading this and thinking that it sounds like a lot of work

3 Legged Thing Universal L Bracket lens mount_Sony E This is a round metalThis 3 Legged Thing L bracket has an adjustable portion, designed to accommodate most cameras: running on a pair of sturdy locking rails, the vertical portion can slide over to provide a tripod thread to edge distance of 4 to 8cm. Top and side plates provide a well machined Arca compatible surface. In excellent condition.