Page 2 of 2 FirstFirst 12
Results 11 to 14 of 14

Thread: how to safely remove front lens cell from shutter body?

  1. #11
    Photographer
    Join Date
    Feb 2001
    Location
    Pine Junction, CO
    Posts
    992

    Re: how to safely remove front lens cell from shutter body?

    I’ve had luck getting sticky shutters going again by squirting some lighter fluid in the shutter and then working the mechanism. I take the lens elements out first.
    Keith Pitman

  2. #12

    Join Date
    Dec 2018
    Posts
    991

    Re: how to safely remove front lens cell from shutter body?

    Well....if your shutter has "B", you could use a locking cable release.

  3. #13
    Paul Ron's Avatar
    Join Date
    Aug 2004
    Location
    NYC
    Posts
    692

    Re: how to safely remove front lens cell from shutter body?

    freeze it. the metal will contract n the cell should unscrew... it sometimes takes a bit of muscle.

    be sure to turn it counter clock wise?

  4. #14

    Re: how to safely remove front lens cell from shutter body?

    I have serviced large format lenses professionally in the past. For the occasional stuck lens cell I use thick rubber grip gloves. These give me good purchase on the shutter body as well as the cell. I take care to apply only radial force and not tilt the lens cell at all.
    In the rare situation where this fails, I use a very thin penetrating oil applied sparingly around the base of the cell. A mixture of 50/50 Isopropyl alcohol - pure not rubbing - and Super Lube spray is an excellent penetrating oil for for fine lens threads. Most penetrating fluids are simply too thick to work well for lens threads. I try again after a couple of days with the gloves. That almost always works. If that fails I grip the lens cell, with thin rubber padding around it firmly in a high precision 6 jaw chuck in my lathe. Then I unscrew the shutter body with grip gloves. I've only had to resort to the lathe a couple of times. Some caution is requires as the shutter body is held together with tiny screws and it would be quite possible to twist it apart.
    Hope you succeed.

Similar Threads

  1. remove front cell of red dot artar
    By mike rosenlof in forum Lenses & Lens Accessories
    Replies: 6
    Last Post: 12-Mar-2019, 07:30
  2. Can't remove front element from shutter.
    By Jim Andrada in forum Lenses & Lens Accessories
    Replies: 21
    Last Post: 15-Aug-2017, 06:43
  3. Replies: 1
    Last Post: 11-Aug-2013, 14:01
  4. How to safely remove a cog from a Jobo lid (Video)
    By koh303 in forum Darkroom: Equipment
    Replies: 16
    Last Post: 11-Aug-2013, 07:00
  5. How to remove stuck front cell from Copal 1?
    By Steve Goldstein in forum Lenses & Lens Accessories
    Replies: 5
    Last Post: 17-Jun-2007, 12:56

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
  •