Cokin 37mm Extension Ring

Cokin 37mm Extension Ring

Cokin 37mm Extension Ring

B&H # COERA37 MFR # CR3737
Cokin 37mm Extension Ring

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Product Highlights

  • 37mm Front and Rear Threads
  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

Cokin CR3737 overview

  • 1Description

The Cokin 37mm Extension Ring provides an increase in distance between the filter ring of a lens and a filter holder in order to accommodate retracting lens designs that are common on many zoom lenses. This ring is compatible with filter threads measuring 37mm in diameter and accepts filters, holders, or adapter rings that are also 37mm in diameter.

In the Box
Cokin 37mm Extension Ring
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Cokin CR3737 specs

    Front Thread 37 mm
    Rear Thread 37 mm
    Depth 0.16" / 4.0 mm
    Packaging Info
    Package Weight 0.05 lb
    Box Dimensions (LxWxH) 3.9 x 3.9 x 0.02"

    Cokin CR3737 reviews

    37mm Extension Ring is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Awesome! We bought this to use with the Makayama Movie Mount for iPad due to the complaint that the lens mounting threads were plastic and easily stripped and that there wasn't enough space for a wide angle lens or a macro lens to attach. We super glued this onto the mount and now have a metal on metal thread to mount our lenses and the extension needed to allow us to mount whatever lens meets our need. Excellent buy.
    Date published: 2013-08-12
    Rated 5 out of 5 by from Good Quality Good quality extension ring. I used two to make an eclipse filter using certified film.
    Date published: 2017-08-10
    Rated 5 out of 5 by from very good exactly as described.
    Date published: 2017-07-06
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