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Photo Forum / Digital Photography / DSLR Cameras / July 2005Caution (sensor cleaning)
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 >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? 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! http://www.pbase.com/owamanga >>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 [quoted text clipped - 5 lines] > the sensor swabs + eclipse to be fairly straightforward. A little more > expensive, but it works great. 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 >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 [quoted text clipped - 11 lines] > >Sheldon 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. >>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 [quoted text clipped - 17 lines] > should be no more difficult (or damaging) than cleaning any lens > surface. 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. > 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. It has to be about 1000 times cleaner than the lens does. >> 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 [quoted text clipped - 3 lines] > >It has to be about 1000 times cleaner than the lens does. 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 > >> 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 [quoted text clipped - 11 lines] > of person who has to be taught (like a kid being taught how to tie > shoes) how to properly clean a lens or sensor. 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. > >> 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 [quoted text clipped - 9 lines] > The next time you some some dunce-like camera user using swirling > a "lens cleaning cloth" around a lens, kick them. 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 >> The next time you some some dunce-like camera user using swirling >> a "lens cleaning cloth" around a lens, kick them. > >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? 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! http://www.pbase.com/owamanga >>> The next time you some some dunce-like camera user using swirling >>> a "lens cleaning cloth" around a lens, kick them. [quoted text clipped - 16 lines] > So these guys could use sand-paper to clean their lenses, nobody would > notice. Sand paper seems to work for many of the ~subjects~ of those AW photos, too... ;^) Bob ^,,^ >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 [quoted text clipped - 9 lines] >about it. After all, how many times do you take a picture of the sky or a >white wall at f22? 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. >>Well, I had a few spots on my D70 and figure I'd try the brush method for >>a [quoted text clipped - 21 lines] > water or dust ingress despite the fact that I use my equipment > extensively on dusty construction sites and in adverse weather. Yeah, yeah, rub it in (no pun intended). <BG> BTW, can you feel it vibrate? >> The gold standard is the Olympus E System's ultrasonic dust remover. >> It works extremely well, with no manual intervention required. [quoted text clipped - 10 lines] > >BTW, can you feel it vibrate? Alas, no. But it does work extremely well. ;-) > The gold standard is the Olympus E System's ultrasonic dust remover. > It works extremely well, with no manual intervention required.< 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?...) > 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 [quoted text clipped - 11 lines] > > Sheldon _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 >> 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 [quoted text clipped - 20 lines] > -- > Slack 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. |
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