Soligor Auto Tele Converter 2x for M42 brand_Cokin Reflex mirror has a touch

Reflex mirror has a touch of dust

and all the sophisticated features you'd expect from a professional studio camera- and some you wouldn't

if you can control the lens aperture through your camera body and it has in-body autofocus motor

This premium Novoflex adapter lets you use Nikon F mount lenses (with or without an aperture ring) on your Micro Four Thirds-mount mirrorless camera

Soligor Auto Tele Converter 2x for M42 brand_Cokin Reflex mirror has a touchThe Soligor Auto Tele Converter 2x is a little teleconverter for M42 thread mount lenses and cameras. Nothing fancy, just doubles your focal length at the cost of a few meagre stops of light.