Step Down Rings

Discussion in 'Photography Equipment & Products' started by Dmitri, Mar 21, 2010.

  1. Dmitri

    Dmitri No longer a newbie, moving up!

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    So I bought a step down ring yesterday from a local shop. 58mm -> 52mm. The problem is that it doesn't fit on my 50mm 1.8 (52mm).

    Before I return it, anyone know what the problem is?
     
  2. Josh66

    Josh66 Been spending a lot of time on here!

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    Maybe you needed a step up ring? 52 -> 58?

    I always forget which is which...
     
  3. kundalini

    kundalini Been spending a lot of time on here!

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    Yes, you'd want a step up ring. Just remember that it's lens-to-filter for sizing.


    EDIT:
    You didn't actually say what you're after. Do you have a 58mm lens AND filter in which you are trying to use the same 58mm filter on the 52mm lens (and yes, I'm talking filter size, not focal length). Or is it reversed for some reason?
     
    Last edited: Mar 21, 2010
  4. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    Far as I know
    Step up - lets you mount a smaller sized filter onto a larger sized filter threaded lens - so say a 42mm onto a 50mm filter thread

    Step down - lets you mount a larger sized filter onto a smaller sized filter threaded lens

    So it should fit your lens - not sure why its not. Unless I have something wrong
     
  5. Dmitri

    Dmitri No longer a newbie, moving up!

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    I'm trying to fit a larger (58mm) filter onto the smaller lens (52mm).
     
  6. JeffieLove

    JeffieLove TPF Noob!

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    You need a step up ring 52-58 since the 50mm lens is a 52mm diameter and the filter is 58mm.
     
  7. KmH

    KmH Helping photographers learn to fish Supporting Member

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    Yep, step-up 52mm lens to 58mm filter.

    The first number is always the lens, and the second number is always the filter.
     
  8. Dmitri

    Dmitri No longer a newbie, moving up!

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    aaah crap. ok then, my mistake. hopefully he will exchange it for me. Thanks all :(
     
  9. Dmitri

    Dmitri No longer a newbie, moving up!

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    aha you were all right. I went there and exchanged it for 52 -> 58. I had it backwards. Thanks all :)
     

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