40mm shutter to M54x1 thread adapter for helicoids
Front side - 40mm bore;.
Rear side - M54x1 male thread.
Weight - 16 g.
This adapter allows using some Compur shutters with 39mm rear thread on focusing helicoids with M54x1 thread.
Adapter is made of anodized aluminium.
|Adapter Front Side||40mm|
|Adapter Rear Side||M54x1|