Front clamp for LOMO SF 50mm or 80mm anamorphic lens with 134mm outer diameter M25x0.75 The adapter has stop rim

The adapter has stop rim to push an instant return diaphragm mechanism of M42 lenses

This adapter allows mounting lenses with M53x0

Front side - M65x1 female thread

Material - anodized aluminium alloy

Front clamp for LOMO SF 50mm or 80mm anamorphic lens with 134mm outer diameter M25x0.75 The adapter has stop rimThis adapter allows coupling of LOMO 50mm, 75mm or 80mm square front anamorphic lens with a matte box with 134mm opening. Front side of the adapter has female M95x1 thread so you can add standard 95mm screw in filters. Made of anodized aluminium. Weight is 320 g. The adapter is secured by 4 screws (M5 thread). Opening size is 86x81 mm.