Omega #421-935 (formerly #421-135) extended oval lens plate to mount Schneider 135mm and 150mm Componon-S lenses with 42mm mounting thread on the Omega D-5 and D-6 lens turret or #421-107 Slide-In Lens Mount. For specific applications for this lensboard, please refer to our D-5 / D-6 enlarger Lens Mount Reference Chart. These lens plates are not threaded - a 42mm retaining ring is required to mount the lens - available separately if required.
