T2 female to M50x0.75 female long adapter for Rodenstock lenses

• Front thread - female M50x0.75
• Rear thread - female M42x0.75 (T-mount)
• Length - 28 mm
• Weight - 46 g

This adapter allows using some Rodenstock lenses on cameras with reverse T2 adapter.

Compatible lenses are:

• Omegaron 135 mm f/4.5
• Rodagon 150 mm f/5.6
• APO-Gerogon 210 mm f/9
• APO-Gerogon 240 mm f/9