Adjusting a Gaoersi lenscone

Discussion in 'Large Format Cameras and Accessories' started by Richard Man, Apr 26, 2013.

  1. Richard Man

    Richard Man Member

    Sep 24, 2005
    Multi Format
    Please pardon my ignorance with this subject. LF is new to me and I just got a Gaoersi 4x5 "P&S" to complement my Chamonix 4x5 F1 (for long and night exposure). Anyway, I am trying to follow the instructions here:

    I am not sure exactly what I did, but currently the focus ring can be "taken off" the helical, i.e. it can rotate quite a bit without actually moving the helical focus. The infinity is also about 250 degrees away from the focus mark when the cone is at infinity.

    It's night now, and I can't check whether the infinity is correct now, but I needed to do something to move the infinity a wee bit. In the middle of the page referenced, supposedly one can loosen the retenting ring inside the lenscone by using a pair of scissor, but I cannot get it to budge.

    Appreciate any help you can give. Thanks.