Threaded mounting rings for lens shutters

For large-format cameras

Threaded retaining rings to mount Copal, Compur and Prontor lens shutters on large-format camera lensboards.
Made in brass and partially painted matte black on rear.
Available for lens shutter sizes #00, #0, #1, #3 and #3S. Also available for Compur 2, Compound 3 and Compound 4 lens shutters.
For vintage Compur 2 and Compound 3 shutters, lensboard adapters to fit Copal 3 lensboards are available on "Lensboard shutter adapters".

For common lens shutter sizes

Threaded retaining ring for large-format #00 lens shutters with 25mm x 0.5 thread
for Compur 00 lens shutters
made to fit #00 drilled lensboards with 26.3mm diameter hole
EUR 10.00
Threaded retaining ring for large-format #0 lens shutters with 32.5mm x 0.5 thread
for Compur 0, Copal 0 and Prontor 0 lens shutters
made to fit #0 drilled lensboards with 34.6mm diameter hole
EUR 10.00
Threaded retaining ring for large-format #1 lens shutters with 39mm x 0.75 thread
for Compur 1, Copal 1 and Prontor 1 lens shutters
made to fit #1 drilled lensboards with 41.6mm diameter hole
EUR 12.50
Threaded retaining ring for large-format #3 lens shutters with 62mm x 0.75 thread
for Copal 3 and Prontor 3 lens shutters
made to fit #3 drilled lensboards with 65mm diameter hole
EUR 15.00
Threaded retaining ring for large-format #3S lens shutters with 61mm x 0.75 thread
for Copal 3S lens shutters
made to fit #3 drilled lensboards with 65mm diameter hole
EUR 15.00

For Compur 2 and Compound lens shutters

Threaded retaining ring for Compur 2-X Tube 5 shutters with 50mm x 29-1/13 thread
for Compur 2 lens shutters with 50mm diameter thread
made to fit lensboards with 52.5mm diameter hole
EUR 15.00
Threaded retaining ring for Compur 2-X Tube 6 shutters with 55.8mm x 29-1/13 thread
for Compur 2 lens shutters with 55.8mm diameter thread
made to fit lensboards with 58.3mm diameter hole
EUR 15.00
Threaded retaining ring for Compound 3-X Tube 7 shutters with 60mm x 29-1/13 thread
for Compound 3 lens shutters with 60mm diameter thread
made to fit lensboards with 62.5mm diameter hole
EUR 15.00
Threaded retaining ring for Compound 4-X Tube 9 shutters with 65.9mm x 29-1/13 thread
for Compound 4 lens shutters with 65.9mm diameter thread
made to fit lensboards with 68.4mm diameter hole
EUR 20.00
Threaded retaining ring for Compound 4-X Tube 10 shutters with 76.7mm x 29-1/13 thread
for Compound 4 lens shutters with 76.7mm diameter thread
made to fit lensboards with 79.2mm diameter hole
EUR 25.00

Large-format camera lensboards can be modified to be used with a larger lens shutter

If you want to use a lensboard with a larger lens shutter, it can be modified to fit your lens shutter for only EUR 10.00 plus shipping.