Tagged Questions
1
vote
1answer
49 views
How to fix a zoom lens that is sticky at a particular focal length?
I have the Canon 18-55mm lens. When I zoom out from 55mm to 18mm, the lens works fine until 22mm, where it seems to be stuck and you must then use a bit more force. I saw in many sites that this is ...
4
votes
2answers
166 views
How to loosen a Canon 75-300 lens (zoom ring is quite stiff to turn)
My new Canon EF 75-300mm telephoto lens and the zoom ring is quite stiff. Is the lens faulty or is there a way to loosen it up?
2
votes
2answers
199 views
Canon 1Ds Mk II's scratched Low Pass filter. Now what?
Besides our workhorses (Canon 5D3 and 60D), we have an old camera - Canon 1Ds Mk II which has its OLPF scratched. That is, the camera works (ok, more or less because the signs of time are present on ...
8
votes
2answers
120 views
Is my Canon speedlite really dead?
My Canon 550ex wouldn't switch on yesterday. Completely dead. Changed the batteries (twice). Still nothing, no indication of life. It was fine last time I used it about a week ago.
Is there anything ...
2
votes
1answer
118 views
Why are the rings on my Sigma 28-80mm lens stuck?
I use a Sigma 28-80mm on a Canon Rebel EOS. Neither the zoom nor the focus rings will turn. Is there something that I could diagnose the problem? Can I fix this myself or will I have to send it in for ...
3
votes
1answer
306 views
Canon G11 Lens problems
My wife has a Canon G11 purchased in April 2010. This was purchased through a legitimate B&M store for ~700.
It has recently developed a spot on the Lens/sensor (it comes into focus when zoomed ...
6
votes
3answers
392 views
Have I broken my Canon 28-135mm lens after DIY repair?
Last week I removed the front element from my Canon 28 - 135mm lens to remove a grain of sand from the lens. It was easy to remove the 4 screws, take of the top layer of glass and remove the grain.
I ...
1
vote
1answer
802 views
Autofocus Not Working on Canon 70-200 F4 L USM
This lens has been sitting on the shelf for years and I recently hauled out my DSLR to play with it. Turns out the autofocus no longer works. I'm wondering if there's any kind of remedy for this short ...
5
votes
3answers
1k views
Where can I get replacement parts for Canon cameras?
My son accidentally cracked a glass on the back of the camera. It is not an LCD itself, but rather a protective cover over the LCD. I took the camera to photo store and they said they can order the ...
6
votes
1answer
269 views
Will a firmware update/change erase Canon's service center lens calibration settings?
Since it's pretty cheap in Korea, I sent all my prime lenses and my new Canon 60D to be calibrated at the local Canon service center so they can be "matched" to the body.
If I install a newer updated ...
2
votes
1answer
1k views
How do I fix a lens with a problem returning to autofocus mode?
I bought a Canon EF 28-105mm f/3.5-4.5 II USM lens for my Canon 350D. It works mostly fine, except after switching from AF to MF, I can't return to AF mode.
After I switch MF->AF, the lens doesn't ...
5
votes
3answers
422 views
My DSLR appears to be corrupting CF cards — get new camera or repair?
I have a Canon Rebel XTi which has been ruining CF cards (when I try to see the pictures it tells me the CF card is corrupted--three different cards which were formatted). Anyway I want to know if I ...
12
votes
2answers
308 views
Does Canon have a no lemon policy on EF lenses?
After a certain number of repairs or warranty claims does Canon replace the equipment? Specifically Canon EF lenses. If no defined policy exists, do you have experience one way or another?
4
votes
3answers
289 views
How do I troubleshoot Canon EF100-400L IS USM failure?
I use my EF100-400 on a Canon 10D. While in IS and auto focus mode, I was shooting a soccer match when the lens abruptly failed to focus, and I got an error message on the camera. I turned off the ...
3
votes
1answer
331 views
Re-attach Canon Speedlite Wide Panel (diffuser)
I am renting a Canon Speedlite 580EX II.
I had the pull-out Wide Panel (aka diffuser) out and, and when I went to push it back in I noticed that it was very, very loosely attached to its little black ...
