Nikon 50mm f4 EL-NIkkor brand_Shen Hao This one has smooth focus

This one has smooth focus and good diaphragm blades

so they get very hot- they are definitely not toys- but if you need to fill a room with light

4x focal length boost (at the price of one stop of light)

The Bilora Stabilet 1011 is a compact

and easy dial-based controls

Nikon 50mm f4 EL-NIkkor brand_Shen Hao This one has smooth focusThe Nikon 50mm f4 EL Nikkor is a lens designed for use on enlargers with 39mm lens threads. This lens will mount to Leica Thread Mount cameras (which are also 39mm) but will not work at all, not even a little bit. Don't buy this for your camera: it's for enlargers. It's clean, and in excellent condition, with original box and case.