Lens mount adapters for Sinar camera lensboards
For vintage large-format lenses. For Sinar cameras with Sinar shutter.


These adapters fit standard drilled sizes Sinar lensboards and have the retaining ring to mount it on the lensboard.
Each adapter is made for a specific lens model, to ensure a safe distance to the Sinar shutter.
Can be made for other lenses and with other thread sizes.
For Copal 1 Sinar Lensboards
Brass threaded lens flange with 36mm x 0.5 thread for Sinar lensboard #1 Flange with retaining ring to fit Sinar lensboards with 41.6mm diameter hole. To be used with Sinar shutter. For Zeiss Tessar 105mm f/4.5 (3½ x 2½ lens) (N32) | EUR 30.00 | |
Brass threaded lens flange with 26.5mm x 0.5 thread for Sinar lensboard #1 Flange with retaining ring to fit Sinar lensboards with 41.6mm diameter hole. To be used with Sinar shutter. For Rodenstock APO-Ronar 150mm f/9 | EUR 30.00 |
For Copal 3 Sinar Lensboards
Brass threaded lens flange with 44mm x 0.75 thread for Sinar lensboard #3 Flange with retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For Zeiss Tessar 135mm f/4.5 (4¼ x 3¼ lens), Zeiss Tessar 150mm f/4.5 (N42) | EUR 40.00 | |
Brass threaded lens flange with 45mm x 0.75 thread for Sinar lensboard #3 Flange with retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For Meyer Gorlitz Helioplan 135mm f/4.5 | EUR 40.00 | |
Brass threaded lens flange with 53mm x 0.75 thread for Sinar lensboard #3 Flange with retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For APO-Nikkor 180mm f/9, APO-Nikkor 240mm f/9 | EUR 40.00 | |
Brass threaded lens flange with 56mm x 1 thread for Sinar lensboard #3 Flange with retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For Fujinon 180mm f/4.5 | EUR 40.00 | |
Brass threaded lens flange with 62mm x 0.75 thread for Sinar lensboard #3 Flange with retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For Zeiss Tessar 210mm f/4.5 (N60) | EUR 40.00 | |
Brass threaded lens retaining ring with 62mm x 1 thread for Sinar lensboard #3 Retaining ring to fit Sinar lensboards with 65mm diameter hole. To be used with Sinar shutter. For Fujinon 210mm f/4.5 | EUR 15.00 |


Contact for a custom made adapter for vintage lenses or lens shutters