Copal shutters for large format photo lenses

Copal Shutters

Manufactured in Japan by the Copal Company LTD since 1946, Copal shutters are widely used on large-format photography lenses. Fully mechanical, very reliable lens shutters, they are quite repairable by many technicians all over the world.

Copal lens shutters specs

COPAL LENS SHUTTER01
Weight115gr160gr
Outer diameter61mm73mm
Front lens mountingM 29.5mm x 0.5M 40mm x 0.75
Rear lens mountingM 29.5mm x 0.5M 36mm x 0.75
Cable release nippleM 3.2mm x 0.5M 3.2mm x 0.5
Shutter speedsT, B, 1, 2, 4, 8, 15, 30, 60, 125, 250, 500T, B, 1, 2, 4, 8, 15, 30,60, 125, 250, 400
Shutter speeds tolerance-0.3-0.3
Maximum iris opening24mm30mm
Minimum iris opening1.5mm2mm
Number of iris blades57
Flash synchronizationall shutter speedsall shutter speeds
Max. sync delay timesbefore max. opening: 0.5ms
after max. opening: 0.7ms
before max. opening: 0.5ms
after max. opening: 0.7ms
Threaded mounting ringM 32.5mm x 0.5M 39mm x 0.75
COPAL LENS SHUTTER33S
Weight340gr
Outer diameter102mm
Front lens mountingM 58mm x 0.75M 56mm x 0.75
Rear lens mountingM 58mm x 0.75M 56mm x 0.75
Cable release nippleM 3.2mm x 0.5M 3.2mm x 0.5
Shutter speedsT, B, 1, 2, 4, 8, 15, 30, 60, 125T, B, 1, 2, 4, 8, 15, 30, 60, 125
Shutter speeds tolerance-0.3
Maximum iris opening45mm
Minimum iris opening2mm
Number of iris blades7
Flash synchronizationall shutter speedsall shutter speeds
Max. sync delay timesbefore max. opening: 0.5ms
after max. opening: 0.7ms
Threaded mounting ringM 62mm x 0.75M 61mm x 0.75
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