How many polarisers do I need?

Discussion in 'Photography Equipment & Products' started by in2thewild, Mar 26, 2016.

  1. in2thewild

    in2thewild No longer a newbie, moving up!

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    Hello,
    I have a circular polarizer for my 18-55 mm lens, but I think I can't use it on my 16-35 mm or 24-70 mm lens. Do people normally buy a polariser or ND filter for each lens or just one? Is there a way around buying multiple?

    Many thanks


     
  2. EIngerson

    EIngerson Been spending a lot of time on here!

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    You can do that or get a Lee filter system. Cokin has some affordable setups also, but they are not Lee quality.
     
  3. Braineack

    Braineack Been spending a lot of time on here!

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    buy the largest size you need, use a step-down ring for the others.

    or dont use a filter. :)
     
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  4. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    Square drop in filters that go into a filter holder on the front of the lens is the more affordable way to get filters so that your filters will all fit multiple lenses. You just get the largest filters for the size of lens you have and the required filter holder and then buy the filters you want; the holder will then slot onto the front of your lenses and since your filters are all based off the widest angle lens you have they will all cover the angle of view for all the other lenses you have.

    Downsides are that these kinds of filter can't use a lens hood; although there are hoods for filter holders so you're not totally without. It can also be expensive; Lee Filters are one of the best but are expensive and understocked everywhere - so ordering often means getting on a waiting list at a few stores and then seeing hwich one gets it in stock first. Cokin are more affordable, but not as high quality although ag ood few people use the Cokin filter holders with Lee filters.


    The other bonus is that things like ND and ND grad can be moved up and down in the holder; so the filter can apply to only part of your photo and for graduated the point of graduation change can vary up or down the frame - this really frees you up compositionally.



    It's not cheap; but a quality filter set and holders is the kind of thing that, like your tripod, can last you a near lifetime.
     
  5. john.margetts

    john.margetts No longer a newbie, moving up!

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  6. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    The entire filter holder rotates.

    Must we endure this on every post of yours?
     
  7. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    As much as you endure my legion of links in my signature too ;)

    John you can put links into your signature if you edit your profile - much easier than having to paste in the link yourself into every post :)
     
  8. weepete

    weepete TPF Supporters Supporting Member

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    I've got two to fit a couple of different sizes of filter threads rather than one per lens. There are also adapters that can fit a cpl on the outside of a square filter holder, I'm planning on picking up a 105mm cpl just for that purpose at some point
     
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  9. john.margetts

    john.margetts No longer a newbie, moving up!

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    It is in my signature, put there by editing my profile.


    www.johns-old-cameras.blogspot.co.uk
     
    Last edited: Mar 26, 2016
  10. Didereaux

    Didereaux Been spending a lot of time on here!

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    Do what WeePete suggested. Buy yourself the best largest diameter CPL you can afford and then for a very few dollars you buy the adapter rings that neck down to the smaller lens. No degradation and no big hassles.
     
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  11. petrochemist

    petrochemist TPF junkie!

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    That does the trick for me - except I think it's a step UP ring when the filter size is bigger than the lenses filter threads. I do have a few lenses that can use a step down ring without vignetting even going as far as 37-25 without issue on one.

    Even so I like to have several polarisers, so I can still use a lens hood, avoid excessive amounts of stepping rings & combine 2 filters (Circular & linear) for a variable ND.
     
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  12. in2thewild

    in2thewild No longer a newbie, moving up!

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    Thanks everyone. Once again my question is answered :). That sounds better than buying lots of polarisers (expensive).
     

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