Nikon K Ring Set brand_Billingham 8 ED AS lens for

8 ED AS lens for Micro 4/3 mount

If you're not terrified of filling your car with an ocean of glass crumbs

It provides 1:1 magnification without the use of extension tubes

Otherwise in excellent condition

Nikon K Ring Set brand_Billingham 8 ED AS lens forThe Nikon K ring set is a stack of tubes and adapters that gives you the opportunity for all sorts of F mount shenanigans. The set includes the K1, which is a short F to F extension tube; the K2, with a lens side F mount and an inner 52mm thread; the K3, with a 52mm outer thread on one end and a camera side F mount on the other; and two 52mm threaded extension tubes. In its simplest form, it's an adjustable extension tube, but there are enough odd