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  1. #1
    Join Date
    Feb 2006
    Location
    Des Plaines, IL
    Posts
    9,560

    Lightbulb Minolta "WHITE" caps

    I'm not sure how many of you may have gotten a white rear lens cap with your lens, but they are a little different than the usual black ones.

    For one thing, they have a protruding blade on the inside that actually actuates the aperture blades as you tighten it down, until the aperture was set wide open.

    Here it is on the SONY 50mm f/1.4 and the SONY CZ 135mm f/1.8

    Name:  Aperture-fights.jpg
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    Also, if your lens is 135mm or longer, you can actually get an image to present on the rear cap, by manual focusing to sharpness.

    The scene with the lens

    Name:  scene-with-lens.jpg
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    The scene ... in the lens!
    Name:  scene-in-lens.jpg
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Size:  192.4 KB

    Just a little something extra to think about with these older Minolta "WHITE" caps.
    Last edited by DonSchap; 01-24-2009 at 09:54 PM.
    Don Schap - BFA, Digital Photography
    A Photographer Is Forever
    Look, I did not create the optical laws of the Universe ... I simply learned to deal with them.
    Remember: It is usually the GLASS, not the camera (except for moving to Full Frame), that gives you the most improvement in your photography.

    flickr & Sdi

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