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03/27/2005 12:51:41 AM · #1 |
So I went out and bought a new lens for my Canon 55-200 and was quite happy with it. A friend and I went to the zoo to try and capture some animals and whatnot, and halfway through the day I noticed a speck of dust on the lens. I cleaned off the outer lens, the viewfinder, and used a cleaning kit to clean the mirror and still the dust persists. The question I have is this, is there a practical cheap way to clean that?...perhaps a canned air canister or something...if there isn't a simple and practical way to do that, can I take the lens back to the seller since I bought it only today...thoughts and ideas would be more than welcome.
Mark |
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03/27/2005 01:07:31 AM · #2 |
No can air!
Can you physically see it on the lens or do you see it in your photos? You mentioned you cleaned the mirror. If you see it in your photos it probably isn't in the lens. More like the mirror (you would see that through the View Finder) or sensor (ghosties on your shots when displayed).
Did you use a lens brush or wipes to clean the lens?
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03/27/2005 02:50:11 AM · #3 |
| I see it in the photos themselves...its not that big or noticable, but i can see it so its frustrating. I've used a lens wipe to clean both the viewfinder, the lens and the mirror...what else can i do...? |
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03/27/2005 11:49:35 AM · #4 |
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03/27/2005 11:54:02 AM · #5 |
| Mark, try using your old lens to see if you continue to see the dust spot. |
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03/27/2005 11:56:02 AM · #6 |
I had the same thing happen to me, it ended up being a spec of dust on the mirror of the camera. Took the lens off and blew on the mirror lightly and the problem was gone.
Travis
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03/27/2005 12:13:10 PM · #7 |
If you see it in the photos it isn't on the mirror, and it isn't dust on the lens. It's dust on the sensor, and don't try to use anything like compressed air anywhere inside the sensor chamber - the mirror, focusing screen or sensor itself. The canned air contains a propellant that gets sprayed out along with the air on occasion, and that's bad.
Don't wipe your mirror! The mirror's coating is VERY sensitive and you'll just end up damaging it. The mirror flips up and out of the way when the photo is taken, and the cleanliness of it does nothing to affect your photos.
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03/27/2005 12:32:41 PM · #8 |
if you find out it is dust on the sensor try one of these to gently remove the dust.
Hurricane blower |
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03/27/2005 12:55:17 PM · #9 |
I realize that the dust was probably there before you took possession of the lens...but some things I do to clean dust...
#1 -- preventative maintenance. Always keep a UV filter on.
#2 -- preventative maintenance. When changing lenses, always do it in a dust free environment (even if it means crouching to the ground and doing it 'inside' your camera bag.
#3 -- again, preventative. Keep your vehicle dust free -- vacuum weekly as that is always a place I find myself swapping a lens.
#4 -- you guessed it. Before changing lenses, blow with your mouth around the base of the mounted lens pretty good and blow on the lens (with the caps on) when you get it out of your bag too...but not on the glass.
#5 -- if you do 1, 2, 3, 4, all you really need is one of those fiber cloths to clean off your uv filter occasionally.
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