Flat Lens Disc with 39mm hole to attach enlarging lenses with 39mm mounting thread to the appropriate lens mounts on the Omega D, E, and F series enlargers listed below.
For use with the lens mounts for the following:
Note: These lens discs are not threaded - a 39mm retaining ring is required to attach the lens to the disc. If you require a retaining ring for your lens, it may be purchased separately.