Page 2 of 2 FirstFirst 12
Results 11 to 12 of 12

Thread: are intermediate shutter speeds possible with copal shutters

  1. #11

    Join Date
    Feb 2006
    Posts
    2,972

    Re: are intermediate shutter speeds possible with copal shutters

    Quote Originally Posted by David A. Goldfarb View Post
    For shutters that can do it, you would have to test fairly carefully right before making the exposure, and then it wouldn't usually apply to the top or the bottom speeds. After all, how accurate is your average ancient Ilex/Alphax/Betax shutter anyway on a good day? I wouldn't count on better than +/- 1/3 stop on the marked settings to begin with. Well-maintained dial-set Compound shutters, though, might be a bit more reliable than one would expect.
    Yes, a Compound in good condition is very accurate.
    One man's Mede is another man's Persian.

  2. #12
    Deardorff Sales and service
    Join Date
    Aug 2010
    Location
    Indiana
    Posts
    408

    Re: are intermediate shutter speeds possible with copal shutters

    My old shutters are dead nuts perfect on up to their top speed. Then divide by half.
    Ken Hough Deardorff Refinisher since 1982
    Deardorff Factory refinisher / remanufacturer 1982-88
    Deardorff Factory Historian 82-88
    Deardorff Cameras on Facebook
    www.deardorffcameras.0catch.com

Similar Threads

  1. Electric shutter release for Copal shutters?
    By Don Dudenbostel in forum Cameras & Camera Accessories
    Replies: 11
    Last Post: 25-Aug-2011, 15:33
  2. Shutter speeds on a Copal 1
    By numnutz in forum Lenses & Lens Accessories
    Replies: 4
    Last Post: 22-Aug-2010, 17:33
  3. Copal 0 shutter - implication of bad slow speeds
    By walter23 in forum Lenses & Lens Accessories
    Replies: 5
    Last Post: 28-Dec-2006, 18:31
  4. copal shutter with slow speeds at 1/400 and 1/250
    By jerry brodkey in forum Cameras & Camera Accessories
    Replies: 5
    Last Post: 5-Apr-2002, 08:40
  5. Changing Shutter Speeds in Charged Copal Shutters: Fact & Fiction
    By Paul Chaplo in forum Lenses & Lens Accessories
    Replies: 6
    Last Post: 30-Oct-2001, 08:39

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •