UV Filters on Digital

Discussion in 'Digital SLR' started by Steve West, Jan 6, 2005.

  1. Steve West

    Steve West Guest

    Hello all,

    I just want to try and clear something up. I have a D70 and am going to add
    a UV filter, primarily to protect the lens, but what I really want to know
    is will it have any haze reducing or other effect on the images (as it would
    on a film camera).

    I have read various conflicting statements on the sensitivity of CCD's in
    digital cameras to UV light. Can someone please confirm whether or not
    CCD's are sensitive to UV and hence whether or not there is an optical
    effect comparable to that seen with a film camera.

    Finally, can anyone recommend a decent filter which is good enough to be
    left on all the time - I was thinking about getting a Hoya super HMC pro-1
    UV filter.

    Thanks

    Steve
     
    Steve West, Jan 6, 2005
    #1
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  2. Steve West

    Jeremy Nixon Guest

    Digital is not nearly as UV-sensitive as film. It is far more sensitive to
    infrared. The camera has an infrared-blocking filter built in for this
    reason, but the effectiveness varies from one camera to another -- it can
    actually cause color shifts, for example in some IR-reflective fabrics or
    in skin, depending on how complete the IR blocking is.

    I've got a B+W 486 IR/UV blocking filter that takes care of both IR and UV.
    But it's not suitable for "lens protection" because it is very expensive.
    It would cost more to replace than, say, my 50mm lens. :)

    I used to use filters for lens protection. I've stopped, though; I have
    lens hoods that provide adequate protection against impact, and that works
    well enough for me, so I can't comment on what specific UV filters would
    be best -- just that you should get the best one you can, because you'll
    be taking all of your pictures through it. Hoya Super HMC filters are
    generally good in that respect, though I tend to go with B+W for the (few)
    filters I use.
     
    Jeremy Nixon, Jan 6, 2005
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  3. SNIP
    CCDs are sensitive down to about 350 nm.

    Bart
     
    Bart van der Wolf, Jan 7, 2005
    #3
  4. Steve West

    Musty Guest

    I use the Hoya SHMC for my 17-85mm IS. It works great.
     
    Musty, Jan 7, 2005
    #4
  5. I cannot notice any real difference, although for macro work I tend
    tend to take the filter off. (I'm a fan of B &W filters). Ken
     
    Ken Palmateer, Jan 7, 2005
    #5
  6. Steve West

    Gaderian Guest

    Like you I use the filter to primarily to protect my lens but discovered
    this when using my Pentax *ist for night shots. Normally I remove all
    filters for night times shots but sometimes I get lazy. I noticed the
    cheaper UV lenses had a reflection in some of the shots of the night-time
    city skyline. Then I bought a good filter, Hoya HMC Super multi coated
    UV(0) filter, then the problem went away. I went and bought this type of
    filter for all of my lenses and have had no problems at all.

    I know people will argue for and against UV filters on DSLR's but I'm still
    stuck with the idea of using the filter in most conditions to protect my
    lens investment.

    My 2 cents worth.
     
    Gaderian, Jan 8, 2005
    #6
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