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Thread: RB67 lens caps

  1. #1

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    Dec 2004
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    RB67 lens caps

    The rear lens cap from my (now dead) 90mm C don't seem to fit my new 90mm KL lens. Are there compatibility problems between C and KL lens caps?

    Does anyone have a spare rear cap I could buy off them that would fit? Mamiya want £9 for one!

  2. #2
    Marco Gilardetti's Avatar
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    Jun 2005
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    There are even among one focal length and the other. There are "flatter" (won't fit 50 mm) and "rounded" clip-on caps, and all different lock-in type caps. I have at least three different types at home.
    I know a chap who does excellent portraits. The chap is a camera.
    (Tristan Tzara, 1922)

  3. #3
    Pragmatist's Avatar
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    Cap differences

    The current Mamiya's seem to be different from replacements in that they have ears and lock on by twisting the mounting ring. The are available through B&H for about $8US new, and $5US used. There are off-brand replacements that are push on and may have difficulty with the K/L line in that the rear element barrel is a few millimeters larger than the C or non-C Sekor's. This makes them impossible to push on as the cap has a smaller internal ring that surrounds the rear element barrel as well as the outside of the lens itself.

    http://www.bhphotovideo.com/bnh/cont...y=12&Submit=Go
    Patrick

    something witty and profound needs to be inserted here...

  4. #4

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    Just realised that I hadn't taken the extra ring for the pro sd off which I don't need anyway since mine is pro s. The old lens cap fits no problem without it



 

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