joe_zammarelli Posted March 5, 2005 Share Posted March 5, 2005 When changing lenses I've always just blown across the lens and into the body (from a distance to avoid spittle and moisture), but I was wondering what others do. I imagine folks in hostile environments swapping lenses and wonder how they keep things clean between lens swaps. Link to comment Share on other sites More sharing options...
arnabdas Posted March 5, 2005 Share Posted March 5, 2005 If you are using DSLR's, reactive cleaning is recommended instead of reactive cleaning. When changing lenses, point your camera's lens mount downward. <P> The <a href="http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=259157&is=REG">Giottos Rocket Blower </a> blows much harder and cleaner than I can do ... Link to comment Share on other sites More sharing options...
arnabdas Posted March 5, 2005 Share Posted March 5, 2005 reactive cleaning is recommended instead of <strike>reactive</strike> proactive cleaning Link to comment Share on other sites More sharing options...
joe_zammarelli Posted March 5, 2005 Author Share Posted March 5, 2005 Okay, Arnab, does reactive cleaning mean you only clean when dirt is there? As opposed to blowing off all components as a matter of course? So, if you see dirt, you clean, but otherwise just swap things out? Link to comment Share on other sites More sharing options...
arnabdas Posted March 5, 2005 Share Posted March 5, 2005 Joe, yes I meant precisely that. Not sure what gear you are using, for digital I only clean when I can see dust spots on CCD. For film -- I quickly clean the inside of film chamber everytime (unless I am really in a hurry) I load a roll a new cartridge -- that is the most important cleaning since dust can scratch a whole roll of film. I clean the mirror/focusing-screen at leaisure (and at home). If the mirror gets too dirty and/or if dust gets in between the focusing screen and the bottom surface of the pentaprism, I take it to an authorized Nikon service center who do it in 15 mins and for free. Link to comment Share on other sites More sharing options...
lex_jenkins Posted March 6, 2005 Share Posted March 6, 2005 I live in Texas where the dust blows pretty hard at times. That's about the only time I'll use protective filters like skylight or haze types. And to change lenses I turn my back to the wind and keep the camera as close to my body as possible. If necessary I'll shield it with my jacket, shirt, whatever. So far with my 35mm cameras this has always been sufficient. We'll see when I get a dSLR. Link to comment Share on other sites More sharing options...
joe_zammarelli Posted March 6, 2005 Author Share Posted March 6, 2005 I must be anal. Even a speck of dust on the lens bothers me. Obviously I'm worrying too much about this. Link to comment Share on other sites More sharing options...
andrew_kendall Posted March 7, 2005 Share Posted March 7, 2005 I never worried much about dust, grease or muck on the back or front of lenses with 35mm. I'd always have a UV filter on the front and wipe it with my tie or something. For DSLR's, different game. With my lovely new D70, I've become paranoid about one thing only: dust on the sensor (filter). Since using a second lens I have already discovered the damage that can be done to images by a single blob appearing in ALL images. So now I always put the rear end caps onto lenses in the bag. I check the rear of the lens before fitting. I never remove the lens from the D70 until I'm ready to actually fit another. I hold the camera body face down. I try to avoid changing lenses at all if it's not necessary. Meanwhile, I have boned up on sensor cleaning techniques and already obtained some PecPads and Eclipse fluid. I am awaiting delivery of a SensorSwipe tool. I don't recommend blowing into a DSLR body with your mouth, but I couldn't honestly promise that if I'm half way up a mountain I never would. I intend to get a Giotto Rocket blower as a safer option. Link to comment Share on other sites More sharing options...
lex_jenkins Posted March 7, 2005 Share Posted March 7, 2005 I'm probably going to be a bit less devil-may-care when I get a dSLR. For example, my solution to nose oil on my 35mm SLRs is the film box end flap. Not only does it identify the film loaded up, but it's a great blotter too. But right now I'm checking out the options and prices for LCD screen protectors. Howcum nobody makes one with several sheets of facial blotter paper? Hoodman could make one and name it the Noseman. Link to comment Share on other sites More sharing options...
joe_zammarelli Posted March 10, 2005 Author Share Posted March 10, 2005 Lex, Nascar has those on their windshields and now the army is using them: multi-layer, peel- off film. But you're right, it would be better if they were porous. For me, I just use cheapies and replace them every few months. Link to comment Share on other sites More sharing options...
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