This threaded metal extension tube makes it easy to make 1:1 size prints from 4x5 negatives. Quickly installed, the extension tube accepts 39mm Leica mount lenses and simply screws into a 39mm lensmount. Specified as 25mm in length it gives the equivalent of about 1" extra bellows travel.
For use with:
As a generic 39mm Leica extension tube this may also be suitable for other applications or on other enlargers. Please enquire for assistance and recomendations.