85mm f1.2 Rotten Rubber

Discussion in 'Canon Lens Discussion' started by Andy Post, Mar 12, 2024.

  1. Andy Post

    Andy Post New Member

    Joined:
    Mar 12, 2024
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    Equipment:
    5D MKIII's All tilt shifts, various fixed focal
    Hey Thrill Seekers,
    I have a vintage (2005) EF 85mm f1.2. The rubber around the base of the lens is decomposed to the point that it's sticky and comes off on my fingers when I use the lens. I sent it in to Canon who just bounced it back with the offer to sell me a new lens. No parts left.

    So...any idea:
    A) what this part is called, so I can scrounge E-Bay?
    B) If this part is a cosmetic for grip only, or if it's a dust shield? If it's not a critical part, I could try doing without it (it's gross to use) and if it's not a dust shield, I might even try to print a replacement.

    Share your thoughts.
     

  2. Caladina

    Caladina Well-Known Member

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    i searched rubber grip band lenses on ebay and a few come up but not a direct one for your lens,
    few options,
    look for one on the internet, phone / email repair shops see if anyone has the right one.
    get a generic one, measure yours and lens the one the proposed one is for.
    get some tread tape or grip tape, strip of ribbed rubber and make your own,
    i'd certainly remove the old sticky one, had a pair of tasco binoculars did that and didn't find anything to stabilize it but it was along time ago

    try searching youtube for vids on stabilizing rubber on lenses etc, might get lucky
     
  3. Andy Post

    Andy Post New Member

    Joined:
    Mar 12, 2024
    Messages:
    2
    Equipment:
    5D MKIII's All tilt shifts, various fixed focal
    All good ideas. Thank you
     
  4. T90

    T90 New Member

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    Jul 15, 2023
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    Equipment:
    2 Canon T90's.300TL flash.50mm F1.8.70-210mm F4.
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    Tamron wide angle and Sigma one!.28-85mm. Cokin filters and other junk!
    Tamron 500 F8 mirror.Tamron 135mm 2,8
    There is stuff like a silicone spray to use on rubber boots that have been near the sea or in! to stop/lessen similar issues
     

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