How to avoid vigneting??

Discussion in '35mm Cameras and Accessories' started by naaldvoerder, Jan 24, 2009.

  1. naaldvoerder

    naaldvoerder Member

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    I am trying to use a 67mm slim B&W- filter on my C/Y 18mm Zeiss lens. There is a minimum of vigneting in the corners of the image. With what lenssettings is the vigneting least visible. Wide aperture, small aperture focusing close focusing at infinity?


    Thanks Jaap Jan
     
  2. Pinholemaster

    Pinholemaster Member

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    The wider your aperture the more pronounced the vignetting. Usually the middle of the aperture scale produces the least about of drop off.

    You might find you must remove the filter for better results.

    Good luck.
     
  3. Rol_Lei Nut

    Rol_Lei Nut Member

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    The wider the aperture, the more the inherent vignetting of the lens itself will be evident (not a huge problem with the Zeiss 18mm), but the vignetting caused by the filter will be less visible.

    Full aperture or f/5.6 might be he best compromise with that filter, but you'll really need to run some tests.

    The filter vignetting will also be less evident in close-ups.

    The best solution might be using an external clamp-on filter holder with an oversize filter (as I do, having the Rolleiflex version of that lens, which has no filter threads).
    Some step-up rings might also achieve that result.
     
  4. Adrian Twiss

    Adrian Twiss Member

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    I have the same problem with my Zenzanon 50 with a B&W polerizer and lens hood attached. Very frustrating.
     
  5. Prest_400

    Prest_400 Member

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    Wow, but that's quite some stuff on.
    You could take out the hood when not needed, and use your hands to stop stray light...
    I suspect that my Zuiko 28 f3.5 does also vignette when putting UV filter + hood. Anyways, I'll have take out the filter when not needed...
     
  6. benjiboy

    benjiboy Subscriber

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    As a rule of thumb I never use a hood with a polarizer, especialy with wide angle lenses, some 17mm lenses have in built dial - in filters like the Tamron SP 17mm to avoid vignetting, but generaly it isn't a good idea to use filters with extreme wide angle lenses if you can avoid it.
     
  7. Mick Fagan

    Mick Fagan Subscriber

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    One thing that may possibly help to reduce or eliminate vignetting, is to use an over size filter which is fitted to a step up ring.

    I have used this combination on my own 18mm Sigma lens which has had a machined thread fitted to the lens, enabling a 72mm filter to be used.

    Using a 72-77 (I think it is 77) I can safely use filters on that lens without vignetting.

    Using Nikon polariser filters designed for the late seventies to nineties era, can help you eliminate vignetting. The 52mm and the 72mm Nikon polariser filters have a step up facility built in. That is, their glass is very wide, in the case of the 52mm filter I estimate the glass is about 67mm in diameter.

    Nikon have also made a special lens hood for the 52mm polariser called the HN12. This filter comes in two pieces, the short part is useful for Nikkor lenses 35 through to 55mm, with the second hood attached you can use it on 85 to 200m lenses. This is really a good set-up.

    Mick.
     
  8. Adrian Twiss

    Adrian Twiss Member

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    That's a fair point. I'll have to give it a try.
     
  9. nicefor88

    nicefor88 Member

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    Maybe it's the lens that is vigneting. And to add a filter will do no good. In the contrary.
    Close three to four stops and it won't be visible anymore.
    :cool: