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Thread: Canon ringflash

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    Canon ringflash

    I'm currently going thru all the twists & turns of Sigma EM 140 v Canon MR 14EX ring flash
    The sigma comes with 55 & 58mm adapters which I'm thinking will fit my Tammy 90mm macro
    in the canon specs, it doesn't give sizes only what "canon" macro lenses it will fit
    Does anybody know if the canon ringflash will fit a Tamron 90mm macro lens or are additional adapter/s required

    Thanks
    Bryan

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    How does it attach Bryan, does it just screw into the filter thread on the front of the lens? If so you just need to get the ring adaptors for whatever filter threads your lenses have. The tamron 90mm has a 55mm filter thread.
    "It is one thing to make a picture of what a person looks like, it is another thing to make a portrait of who they are" - Paul Caponigro

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    Quote Originally Posted by ricktas View Post
    How does it attach Bryan, does it just screw into the filter thread on the front of the lens? .


    Thats what I'm not sure about Rick, It's either an internal spring loaded clamp and/or an adapter which screws to the lens , but I could be wrong on all counts

    ,no shops so far have either make in stock to have a look at

    Bryan

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    OK, I bought a canon MR-14ex, an excellent unit it is too

    for those that are interested in attaching one of these to a Tammy 90 mm macro
    it's not easy, you have to either buy an adapter that fits a 180 mm canon macro ( 72mm to 58mm,about $100.00) as well as a step down ring to 55mm ($30) which ends up being big & cumbersome & expensive to boot

    OR you can do what I did : buy a 58mm to 55mm step down ring & Machine or sand it down to a thickness of 2mm creating a lip for the ring flash to grip onto once it's fitted first onto a uv filter with or without glass

    Bryan

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    Wonder how these ring flashes compare to say a RayFlash or the Orbis.

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