Caution (sensor cleaning)

Discussion in 'Digital SLR' started by Sheldon, Jul 1, 2005.

  1. Sheldon

    Sheldon Guest

    Well, I had a few spots on my D70 and figure I'd try the brush method for a
    change. I used the brushes that are being sold on eBay. Anyway, I'm not
    sure if the problem was that the brushes aren't as clean as they say they
    are, or if it was what I used to blow air across the brush, but the brush
    left pretty good size streaks behind, and I had to use the Pec Pad method
    and gently scrub the streaks using the corner of the tool to get rid of
    them. What a pain.

    I've now come to the conclusion that the Pec Pad method is by far the gold
    standard -- after using a blower -- and those of us who swap lenses a lot
    will just have to learn to live with a spot here and there and not worry
    about it. After all, how many times do you take a picture of the sky or a
    white wall at f22?

    Sheldon
     
    Sheldon, Jul 1, 2005
    #1
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  2. Sheldon

    Owamanga Guest

    You made your own swab out of Pec Pads? I found sensor cleaning using
    the sensor swabs + eclipse to be fairly straightforward. A little more
    expensive, but it works great.

    (Didn't get them from here, but here is a picture of them...)
    http://www.2filter.com/prices/products/eclipse.html

    I think I paid about $35 for a box of 12, and use up 1 or 2 each
    clean.
     
    Owamanga, Jul 1, 2005
    #2
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  3. Sheldon

    RichA Guest

    I don't understand this. The sensor is covered (I believe) by a flat
    optical glass (crown) plate that is anti-reflection coated, just like
    any lens surface. Cleaning it (apart from the accessibility issue)
    should be no more difficult (or damaging) than cleaning any lens
    surface.
     
    RichA, Jul 1, 2005
    #3
  4. Sheldon

    frederick Guest

    It isn't really any harder than cleaning a lens surface.
    The accessibility and visibility issue is what makes it difficult.
    The method using of pec pads on a wand works extremely well once you get
    the hang of it - the whole operation takes only a few minutes including
    set-up.
     
    frederick, Jul 1, 2005
    #4
  5. Sheldon

    Tony Polson Guest


    The gold standard is the Olympus E System's ultrasonic dust remover.
    It works extremely well, with no manual intervention required.

    I just received back my E-1 from a CLA. The sensor was pronounced
    spotless, and the only work needed was to replace the sticky strip
    that catches the dust shaken off the sensor.

    I also had two ZD lenses CLA'd, and there was absolutely no sign of
    water or dust ingress despite the fact that I use my equipment
    extensively on dusty construction sites and in adverse weather.
     
    Tony Polson, Jul 2, 2005
    #5
  6. Sheldon

    Sheldon Guest

    You make a wand, or buy one which is what I did, and fold a Pec Pad around
    it. Much cheaper than using Sensor Swabs, but I would bet the Sensor Swab
    probably works a little better.

    Sheldon
     
    Sheldon, Jul 2, 2005
    #6
  7. Sheldon

    Sheldon Guest

    Yeah, yeah, rub it in (no pun intended). <BG>

    BTW, can you feel it vibrate?
     
    Sheldon, Jul 2, 2005
    #7
  8. Sheldon

    Tony Polson Guest

    Alas, no. But it does work extremely well.

    ;-)
     
    Tony Polson, Jul 2, 2005
    #8
  9. Sheldon

    Slack Guest

    _Now_ you tell me; I just received my brushes a couple days ago. Perhaps
    I'll give them a quick cleaning before using.

    Thanks for the heads up.


    BTW, what did you use to blow across the brush and how many times have
    you used it (the brush)?
     
    Slack, Jul 2, 2005
    #9
  10. Sheldon

    Trapezium Guest

    Great idea for cleaning the sensor - now, all they have to do is overcome
    the ridiculous amount of noise at moderate ISO's (this is on of mankind's
    great mysteries - which will come first?, an Olympus dslr that isn't
    significantly noisier than the competition, or the end of the world?...)
     
    Trapezium, Jul 2, 2005
    #10
  11. Sheldon

    Sheldon Guest

    Only used it once, but I would do the test where you brush it a zillion
    times against a clean UV filter and look for any streaking. Also, I used a
    can of compressed something -- antiflourocarbideoxidegeritol -- or something
    like that. :) That might have been the problem. I don't know. I use it
    as a duster on lots of stuff.
     
    Sheldon, Jul 2, 2005
    #11
  12. Sheldon

    Bubbabob Guest

    It has to be about 1000 times cleaner than the lens does.
     
    Bubbabob, Jul 2, 2005
    #12
  13. Sheldon

    RichA Guest

    Depends on the lens. Try using light microscope with dirty
    objectives.

    The next time you some some dunce-like camera user using swirling
    a "lens cleaning cloth" around a lens, kick them. That is the kind
    of person who has to be taught (like a kid being taught how to tie
    shoes) how to properly clean a lens or sensor.
    -Rich
     
    RichA, Jul 2, 2005
    #13
  14. Sheldon

    Charlie Self Guest

    As long as it's not my lens, why should I kick 'em? I'm not in charge
    of teaching the world. Clean microfiber cloths do a good job of keeping
    nose prints in check on the back of the camera, but...I sure wouldn't
    follow up by wipe the lens. Others do. Their camera. Their pictures.
    Their bucks for replacement. None of my business.
     
    Charlie Self, Jul 2, 2005
    #14
  15. Sheldon

    G.T. Guest

    Should I kick our publicity photographers at work when they're using their
    shirt sleeves to clean all their L stuff at the Academy Awards?

    Greg
     
    G.T., Jul 2, 2005
    #15
  16. Sheldon

    Owamanga Guest

    No, but then when was the last time you saw a high-quality Academy
    Award photo?

    ;-)

    You might have, because of your job, but my point of view as an
    occasional member of the general public:

    Stuff destined to be a 480x320 NTSC image on tonight's news, or to be
    printed at 72dpi on recycled newspaper the following day doesn't
    demand quality....

    So these guys could use sand-paper to clean their lenses, nobody would
    notice.
     
    Owamanga, Jul 5, 2005
    #16
  17. Sand paper seems to work for many of the ~subjects~ of those AW photos,
    too... ;^)

    Bob ^,,^
     
    Bob Harrington, Jul 6, 2005
    #17
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