Shutter for B&L barrel lens

Discussion in 'Large Format Cameras and Accessories' started by Christopher Walrath, Feb 19, 2009.

  1. Christopher Walrath

    Christopher Walrath Member

    Messages:
    7,114
    Joined:
    Dec 30, 2005
    Location:
    In a darkroo
    Shooter:
    Multi Format
    I just got a new G. A. S. stresser from ebay. It is an f/4.5 6 1/2" (by the math, J's rigatoni method proved about 13") Bausch and Lomb barrel lens, the pic is here. The filter threads (front and back) are 62mm. Two elements with aperture range from 4.5-32. Retaining ring thread is about 67mm and the ring flange OD is about 80-81mm. There are five equidistant countersunk mounting holes around the face of the flange.

    What shutter would my G. A. S. need in order to be satiated?
     
    Last edited by a moderator: Feb 19, 2009
  2. epatsellis

    epatsellis Member

    Messages:
    907
    Joined:
    Jan 1, 2006
    Shooter:
    Multi Format
    Packard....
     
  3. df cardwell

    df cardwell Subscriber

    Messages:
    3,341
    Joined:
    Jul 16, 2005
    Location:
    Dearborn,Mic
    Shooter:
    Multi Format
    c

    Good job

    The b&l catalog says a 4.5 tessar with 2 11/16" barrel diameter is the 11 3/4;
    the 14.75" barrel is 3 3/8 diameter.

    You're probably looking at a #5 shutter. Call SK Grimes.