Chromega B lamphouse & Power Supply  type_Darkroom An aftermarket adapter for attaching

An aftermarket adapter for attaching M42 mount lenses to Pentax K mount cameras

It's been film tested

function is very good: autofocus is not as quick as with native Sony lenses

though it's worth noting that- by design- speeds only go up to 1/50s

Head is sold separately

Chromega B lamphouse & Power Supply &nbsptype_Darkroom An aftermarket adapter for attachingThis Chromega B is a dichroic head designed to fit Omega B series enlargers. In good working order, this head provides filtration for cooler enlarging or easy dial based contrast control for black & white. Light cosmetic wear, most notably missing trim plates on the dials. Includes lamphead and power supply only.