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Photo Forum / Film Photography / 35 mm / November 2006CANONET QL17 GIII
I learned about the Canonet QL17 GIII from a very special friend/teacher, and I am so very grateful for that. Sadly, I have no contact with him and as a result cannot learn, or ask technical questions anymore. Does anyone know the best way to clean the lens on my Canonet QL17? I've heard lens fluid, but which one? Helen "Only you.....s i b w y i l, a chore w y n". > I learned about the Canonet QL17 GIII from a very > special friend/teacher, and I am so very grateful [quoted text clipped - 3 lines] > my Canonet QL17? I've heard lens fluid, but which > one? This should not be rocket science. As long as you're only planning to clean the outer surfaces, any commercial fluid is fine. Kodak makes a good one, widely available. <helensilverburg@hotmail.com> wrote: > Does anyone know the best way to clean the lens on > my Canonet QL17? Windex works very well and cleans with very little wiping action. It is not the fluid that damages a lens but the scrubbing - the less scrubbing the less damage. Spritz some Windex on a Q-tip and gently clean the lens. If it doesn't come clean don't work at it, get another Q-tip and do it again, and again - sometimes it can take a half-dozen very gentle wipes. Pick up a micro-fiber lens cleaner the next time you are in a camera store. Micro-fiber lens cloths can also be had at eyeglass stores now that most eyeglasses come with anti-reflection coatings. Do not use any cleaning cloth that says 'silicon' on it or that came with a Japanese electronic something-or- other.  SignatureNicholas O. Lindan, Cleveland, Ohio Darkroom Automation: F-Stop Timers, Enlarging Meters http://www.nolindan.com/da/index.htm n o lindan at ix dot netcom dot com > <helensilverburg@hotmail.com> wrote: > [quoted text clipped - 24 lines] > http://www.nolindan.com/da/index.htm > n o lindan at ix dot netcom dot com Thank you kindly for your advice. In all honesty, I'm a little nervous to use Windex or any other chemicals on the lens. I thought it might destroy the coating. I'm probably just being too paranoid.......lol. Thanks again. Helen >I learned about the Canonet QL17 GIII from a very >special friend/teacher, and I am so very grateful [quoted text clipped - 6 lines] > > "Only you.....s i b w y i l, a chore w y n". Use a !!!!!!CLEAN!!!!!! micro fiber cloth and some of your breath to fog the lens. Be very gentle and go in a circular pattern. Remember to first blow any particles off the lens with an air bulb... DO NOT use compressed air. Frankly, if the lens is taking sharp, clear pictures... leave it alone. I have a lens or two over twenty years old which *may* have been cleaned once or twice. The secret is to learn not to dirty them. :) Good luck, RP© > >I learned about the Canonet QL17 GIII from a very > >special friend/teacher, and I am so very grateful [quoted text clipped - 18 lines] > > RP© Thanks guys. I've seen all the lens cleaning fluids in the camera shops, but needed your opinions. I will most certainly use a very clean micro fiber cloth. I've heard not to use compressed air, not sure why. But I have one of the rubber ones that you use manually. Thanks so much for your help. Regards, Helen >Thanks guys. I've seen all the lens cleaning fluids in the camera >shops, but needed your opinions. I will most certainly use a very >clean micro fiber cloth. I've heard not to use compressed air, not >sure why. But I have one of the rubber ones that you use manually. >Thanks so much for your help. Unless you have a buildup of oil or something on the lens, I would suggest staying away from lens cleaning fluid. BTW: I also own a few GIII's... great cameras. RP© > >Thanks guys. I've seen all the lens cleaning fluids in the camera > >shops, but needed your opinions. I will most certainly use a very [quoted text clipped - 8 lines] > > RP© Oh, I know........... they are legends in their own right. But you're right. I think I'll leave the lens be. I don't see dirt on it, I just thought it should be cleaned sometimes. I've had mine now for 2 years. Thanks Rich. <helensilverburg@hotmail.com> wrote in message > But you're right. I think I'll leave the lens be. I don't see dirt on > it, I just thought it should be cleaned sometimes. I've had mine now > for 2 years. Thanks Rich. You just "thought" it should be cleaned "sometimes?" But you don't see any "dirt" on it? Are we in the Twilight Zone, or what? > <helensilverburg@hotmail.com> wrote in message > [quoted text clipped - 6 lines] > > Are we in the Twilight Zone, or what? Lighten up Jeremy! Aren't these newsgroups for people to ask questions and learn whether they be silly to you or not? A lot of dirt and particles are invisible to the human eye. I only thought of the lens needing an occasional cleaning due to this. >> <helensilverburg@hotmail.com> wrote in message >> [quoted text clipped - 11 lines] >A lot of dirt and particles are invisible to the human eye. I only >thought of the lens needing an occasional cleaning due to this. Many people will tell you not to use a UV or skylight filter on the GIII because it will affect the metering, I've found that to not be true. I keep a good UV filter on my Canonet and the meter works fine. Never once needed to clean that lens other than the day I bought it. RP© > >> <helensilverburg@hotmail.com> wrote in message > >> [quoted text clipped - 18 lines] > > RP© Yes a lot of people use UV or skylight filter just for the protection of the lens, not only to cut out UV rays. The size is hard to find, but I'm sure one can be found on ebay. Great advice! >> >> <helensilverburg@hotmail.com> wrote in message >> >> [quoted text clipped - 22 lines] >of the lens, not only to cut out UV rays. The size is hard to find, >but I'm sure one can be found on ebay. Great advice! The sensor for the meter on the Canonet is located inside the front of the lens just above the first lens element. *Rumor* has it that any filter will mess with the metering. I've never had a problem with a UV. It takes a 48mm filter which is easy to find as any. RP© >> <helensilverburg@hotmail.com> wrote in message >> [quoted text clipped - 7 lines] >> >> Are we in the Twilight Zone, or what? There is dirt on any lens....Even brand new ones straight from the factory....The question is, how large a particle of dirt does one have to worry about?...If you get an electron microscope and inspect the surface of the lens elements with it, you will be horrified. the same thing is true of your scanned images....If you blow them up far enough, you will see particles of mould and dust on them, but you can spend your life cleaning them up from things that will never cause any problems...... > >> <helensilverburg@hotmail.com> wrote in message > >> [quoted text clipped - 15 lines] > particles of mould and dust on them, but you can spend your life cleaning > them up from things that will never cause any problems.... Yes, that's true about not seeing all the dirt on the surface of the lens, and prints for that matter. I'm just relieved to know that it doesn't cause problems. I was told a while back that dust causes fungus, so I thought I would keep the lens clean as much as possible. But in doing so, I'd probably cause damage as well. Thanks Bill. Helen >> >> <helensilverburg@hotmail.com> wrote in message >> >> [quoted text clipped - 27 lines] > But in doing so, I'd probably cause damage as well. Thanks Bill. > Helen The best way to see dirt and dust in your lens is to look at a blue light with it, or inspect it under a blue light...I don't know why it is, but blue seems to bring out the "best" in dirt....:^) > >> >> <helensilverburg@hotmail.com> wrote in message > >> >> [quoted text clipped - 31 lines] > with it, or inspect it under a blue light...I don't know why it is, but blue > seems to bring out the "best" in dirt....:^) Lol.......thanks Bill! [SNIP] > Thanks guys. I've seen all the lens cleaning fluids in the camera > shops, but needed your opinions. I will most certainly use a very > clean micro fiber cloth. I've heard not to use compressed air, not > sure why. But I have one of the rubber ones that you use manually. Compressed air from a compressor almost always contains oil. From a can should be clean, but you must be very careful to keep the can upright otherwise you can spray out some of the propellant, which at best messes up the lens and at worst, since the sudden expansion makes it very cold, can crack the glass through thermal shock. Also, canned air is a powerful blast and can be as likely to blow dust into the lens mount as to remove it. The rubber bulb thing is a much safer bet. I hold the lens upside down and blow the air up at it, the dust that is loosened is then more inclined to fall away from the surface rather than get blown into the edges of the mount. Peter > [SNIP] > [quoted text clipped - 16 lines] > > Peter Thanks for the advice Peter. I had no idea that compressed air contains oil. Your info/advice is very interesting. Yes, I do the same too, I hold the lens upside down so that any dust or particles are inclined to fall away from the lens. Kind thanks to all of you. Helen |
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