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Copal #1 Shutter

B&H # COS1 Mfr # CO # 1
Usually ships in 2-4 weeks

Availability Details

This is a Special order item. Est. arrival at B&H is 2-4 weeks (subject to availability). Your order will be charged at time of shipment.
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PayPal orders will be charged when the order is placed.
International Orders
International orders will be charged when the order is placed.

Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $647.50

The Copal #1 Shutter is a high performance, durable and large size shutter designed for the professional photographer. Charging the shutter, opening or closing the shutter blades, changing the shutter speeds, changing the aperture stop can be manipulated in any order without the least ill effect on the shutter mechanism.

Copal lens shutters for medium and large format cameras were developed exclusively for the professional market and intended for use with high quality inner and outer lenses. They are able to fulfill all the conditions demanded by every kind of art, industrial and scientific photography. Includes rear retaining rings.

Front Thread 40mm
Rear Thread 36mm
Overall Thickness Not Specified by Manufacturer
Diameter Outer: 73mm
Mount Thread Front & Rear lens mounting length:
20mm ±0.025
Cable Release Socket 3.2mm
Shutter Speeds 1 ~ 1/400 sec, T, B
Iris Diameter 0.059 - 0.94"(1.5mm - 24mm) (5 blades)
Minimum iris opening: 0.8" (2.0mm) Maximum iris opening: 1.18" (30mm) (7 blades)
Synchronization X contact only
Synchro trigger energy durability: <12mWS
Weight 5.64 oz (160 g)
Copal #1 Shutter
  • Rear Retaining Rings

    by PowerReviews
    Copal#1 Shutter

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 1 customer

    Displaying review 1

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    Keep your favorite glass in use!

    By Hanuman Hayduke

    from Tempe, AZ

    About Me Semi-pro Photographer

    Verified Buyer


    • Consistent Output
    • Easily Interchangeable


      Best Uses

      • Landscape/Scenery
      • Night Photography

      Comments about Copal #1 Shutter:

      I used this to replace the shutter on a lens whose shutter had worn out. For just a few extra dollars over the repair costs of an old shutter, buy this new one and end your worries. Smooth, accurate and trouble free - because it's brand new.

      Share this review

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