Set of adapters to reverse mount 90% of enlarging lenses to a M42 bellows.
Set includes M42 to 49mm reversing ring, and 30.5, 35.5, 40.5 and 43mm step up rings.
Larger lenses such as the 135mm Componon S thread directly to the 49mm reversing adapter. Also available with Canon FD, Nikon and Minolta MD reversing rings.

E-mail me for availability.