Minolta MD 50mm f/1.7

Discussion in 'Adapted Lenses' started by alaios, Jul 25, 2013.

  1. alaios

    alaios TalkEmount All-Pro

    Jan 11, 2013
    Hi all,
    this is the lens I am having
    Minolta MD 50mm f/1.7 Test Review © 2004 KenRockwell.com
    as you can see at the aperture ring there is on the left side a red clown nose type of button :p (where 50 is written) and on the right side black ladder type of item.
    What these are? In my version they do not look working.
  2. Amamba

    Amamba TalkEmount All-Pro

    Apr 13, 2013
    SE MI
    The red dot is to align the lens with camera - it should be facing up when you insert it.

    The thing on the right is aperture lock. It locks at fully closed stop. It was needed for automatic operation on old film bodies, don't see any use for it now.
  3. Jaf-Photo

    Jaf-Photo TalkEmount Veteran

    Mar 25, 2013
    Yeah, the aperture lock is used on some Minolta film bodies, like my X-700. It allows the camera to control both shutter speed and aperture automatically. For enthusiasts who are hung up on d-o-f, this is less useful.

    Although, my advice is to use the minimum aperture and aperture lock when you are storing the lens, as it will be less prone to oiling the blades.

    All this information is readily available by Googling, by the way. It's generally faster than posting a question on a forum and waiting for replies.

    For Minolta lenses, there is a lot of information on The Rokkor Files