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Thread: Question about filter sizes

  1. #1

    Default Question about filter sizes

    Hi all,

    I currently have a 24mm Nikon with 52mm size filter thread, and a 70-210mm with 62mm filter thread. If I want to buy a polarizer filter and a ND grad filter, what size do I buy? Do I get a step down or step up adaptor to fit both lens?

    I also intend to get a 18-200 VR sometime in the future. Anyone knows what thread size is that lens?

  2. #2
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    Default Re: Question about filter sizes

    18-200 is using 72mm filters, so for the best deal it is better to get filter of that size and buy step up ring from 52>72 and 62>72

  3. #3

    Default Re: Question about filter sizes

    get a 77mm CPL then get the step down ring for ur lens...its better to step down then step up...as step up may cause vignetting...
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  4. #4
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    Default Re: Question about filter sizes

    Buy 77mm cir-pl. It will be useful for most (if not all) your lenses. Use several different step-down rings to fit different size of filter thread of the lenses.

    Regards,
    Arto.

  5. #5
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    Default Re: Question about filter sizes

    erm... shouldn't it be step up from the lens filter thread instead of stepping down from the filter size itself?

  6. #6

    Default Re: Question about filter sizes

    Quote Originally Posted by ExplorerZ
    erm... shouldn't it be step up from the lens filter thread instead of stepping down from the filter size itself?
    I think the 2 above are just typos.

    Since they said buying a bigger 77mm filter, they probably meant using step-up rings and that step-down may cause serious vignetting.

  7. #7
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    Default Re: Question about filter sizes

    Quote Originally Posted by Clockunder
    I think the 2 above are just typos.

    Since they said buying a bigger 77mm filter, they probably meant using step-up rings and that step-down may cause serious vignetting.
    perhaps, just wanna clarify just incase the TS went in to a shop and ask for a 52>77mm step down and the shop owner goes ?_? and gave a 77>52 instead

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