Questions tagged [troubleshooting]
Questions about a specific problem or issue, often dealing with a lens, camera body, image sensor, lighting equipment, or software specific to photography.
643
questions
10
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5
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Why is my camera showing a lot of stuck red and white pixels?
After shooting for one hour with my Rebelt2i + Tamron 17-55 f2.8, I went back home and checked pictures on my computer.
For every single picture, there are a lot of 'dead' pixels at the same location....
- 267
2
votes
1
answer
688
views
Why is my Canon Powershot A1100 focusing only on the bottom part of scenes?
I've been using a Canon PowerShot A1100 IS camera for the past year and it had been working just fine until I decided to change its settings. After I had serious trouble with it, I reset the settings ...
- 21
2
votes
2
answers
25k
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What causes outdoor photos to turn out bright white when taken with a digital camera?
I set my Canon Powershot A460 to automatic mode and took photographs outdoors. When I see the to-be-photographed area on the LCD, it appears normal; but when I take a picture, the photo turns out ...
- 129
8
votes
4
answers
25k
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Why does my D90 shutter release button sometimes not respond?
Once in a while, my recently acquired used D90 doesn't respond to the press of the shutter release button. Half-press, full-press, neither works. I make sure the Automatic/Manual focus switches are ...
- 221
3
votes
1
answer
4k
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How do I troubleshoot a Nikon D3000 'lens not attached' problem?
Recently my Nikon d3000 started the 'lens not attached' error. I have two lenses, neither of which work. I tried the lenses in another camera body, and they work fine. I have cleaned the contact ...
- 31
5
votes
4
answers
5k
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Why can't I take a photo in dark with auto focus, manual mode?
I'm dorking around with a Nikon D80 and I am a total beginner. I am trying to shoot some light trails but the darn thing doesn't even take a picture. I am in manual mode with the bulb setting. For ...
- 189
4
votes
3
answers
2k
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Why does this wireless flash trigger fire non-stop?
I recently purchased a suspiciously cheap flash remote trigger system called Jianisi PT-04TM for about $20 and set it up with my Canon EOS 40D and Sigma EF-530 DG Super external flash.
The surprising ...
- 141
6
votes
2
answers
3k
views
Why are the black parts of my photos flashing?
Recently I have borrowed my friend's SLR.
I don't know what settings I have changed.
When reviewing a photo, the black parts of the photo are highlighted (flashing) black/white every second.
The ...
- 163
27
votes
17
answers
75k
views
How do I get a stuck screw filter off of my lens?
There is a UV-filter screwed on my Canon 16-35mm. For some reason, I'm not able to get it off the lens.
Does anyone has a simple but safe trick?
- 379
10
votes
1
answer
3k
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Why am I unable to disable automatic sensor cleaning on my Canon DSLR?
I've been recently getting the infamous "error 99" on my Canon Rebel XS, under very specific circumstances:
Insert a fresh battery
Turn on the camera
Shoot one or more exposures
Turn off the camera
...
- 382
5
votes
5
answers
7k
views
Why am I getting poor AF results with my Pentax K10D?
I've been using Pentax K10D for a while and I'm a bit frustrated with performance of auto focus on that camera. Very often the images are not sharp enough despite taken in with decent lens (e.g. ...
3
votes
1
answer
659
views
Why is there a subtle shadow glow around the subject with large aperture?
I've noticed that in a number of photos I've taken with a small depth of field due to wide aperture and a fairly close subject, I get a rather pleasing but not entirely explicable diffuse shadow ...
- 186
5
votes
4
answers
3k
views
Why is my new reverse-macro mount adapter not working?
I recently purchased a reverse macro mount (62mm) for my 30mm 1.4 sigma. I ordered it online because the price was so cheap I wouldn't be too upset if it didn't work. Anyhow, this morning I screwed it ...
- 53
5
votes
1
answer
1k
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Does this look like a sensor problem?
I have these tiny dots in a lot of my pictures. They look like tiny stars.
On this Nikon D60 I've tried cleaning the area where the shutter is (what's this called?) with a hand pumping duster, but ...
- 357
2
votes
2
answers
7k
views
Is it normal that manual exposure does not work on the Nikon D7000 in Live-View?
When in Live-View and Manual (M) exposure mode, I can control the shutter-speed with the command-dial but the aperture does not respond to the sub-command dial. This does not occur when using the ...
- 102k
3
votes
2
answers
7k
views
Why is there so much noise in RAW files from my new Canon 7D?
I recently bought a Canon 7D, upgrading from a 50D. I was blown away by what I saw on the back of the camera after I took a few shots.
Now that i've taken the time to import the photos into ...
5
votes
3
answers
1k
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 ...
- 51
2
votes
1
answer
990
views
Why does my Nikon D90 make a strange sound during built-in sensor cleaning, when my friend's D90 doesn't?
I noticed a quiet sound (like squeaking) when using the built-in sensor cleaning of my Nikon D90. In some forums I read about many people having this behavior with the Nikon D700 and some Canon ...
- 465
5
votes
3
answers
14k
views
Why do the focus points leds in my viewfinder appear shadowed?
The focus points leds (red colored ones), looks shadowed (smudged) in my Canon 550D. Not all points, but the bottom 3 points, when the light glows, looks kind of shadowed. I tried cleaning the both ...
- 171
2
votes
2
answers
510
views
My 18-55mm lens is "foggier" than I expect — is there something wrong?
I am trying to find out whether my Nikon 18-55 mm (f/3.5-5.6G VR) kit lens has something wrong with it since I'm getting a whole lot of "fogginess" in the pictures I take as compared to my other lens. ...
- 121
2
votes
2
answers
2k
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Why is my Canon 500D with kit lens having trouble focusing at higher focal lengths?
I have a Canon 500D with the kit lens. Recently I have observed that its not able to focus at higher zooms but it works at min zoom. To get it to focus, I have to zoom out or recompose and it works.
...
- 559
19
votes
5
answers
2k
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Why can't my SLR autofocus on certain parts of a scene?
I had my Nikon D7000 on single-point auto focus and it just would not focus on the spots I wanted. I have marked the spots that could not be focused on with red circles, and the parts that could be ...
- 1,747
14
votes
4
answers
1k
views
Could my lens be damaged after being used as burning glass?
During a nice nature trip, sitting at a table with a bottle of wine, somehow we had the ridiculous idea to test a lens as burning glass (which performed quite well).
After we went home I started ...
- 1,047
4
votes
4
answers
2k
views
Why is Nextgen / wordpress is reducing the quality of my photographs?
I have been researching this night and day for months now. Photos viewed on my website look terrible compared to the same file viewed with other mediums. I have contacted many website support ...
- 41
16
votes
9
answers
329k
views
What should I do about Canon PowerShot "Lens error, restart camera"?
I've had a Canon PowerShot A1100 IS camera for almost a year now.
About a week ago, I went on a trip, took pictures the whole trip, everything was ok.
When I got home, and tried to turn the camera ...
- 263
7
votes
3
answers
54k
views
Why does my Nikon D3100 give the error "Lens not attached" with a Vivitar 200 telephoto lens?
I have a Nikon D3100 camera, and am trying to use an "Automatic Fixed Mount Vivitar 200mm lens" with it. When I attach the lens, I get the message "Lens not attached". and nothing works. HELP!
I can'...
- 71
2
votes
1
answer
2k
views
Is there an easy fix for this Canon EOS 300D Compact Flash problem?
I think my trusty EOS 300D is beginning to show its age and is suffering from a worn out compact flash slot.
Over the course of the weekend I've been seeing a mixture of "No CF", "Full CF" or "Err 02"...
- 278
4
votes
3
answers
420
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 ...
6
votes
4
answers
5k
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What causes auto-focus "freezing"?
On occasion, the auto-focus system in my camera and/or lens just stops working. I'll be holding down the shutter release halfway and tracking a subject and I can feel/hear the auto-focus system ...
- 5,085
1
vote
6
answers
3k
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Frames are jerking/dropping on Canon 550D during full HD recording, using a class 6 card. Are there better cards? [closed]
Why are the frames jerking? What SD cards can I use that won't have this problem?
user3996
2
votes
2
answers
524
views
How do I fix an unresponsive Canon A510 with an adapted Kingston microSD card?
I have a Canon PowerShot A510 using a Kingston 2GB microSD card with an SD adapter.
The SD card worked perfectly until I formatted the card in my Mac. I formatted it with MS-DOS Fat file system. Now, ...
- 141
3
votes
3
answers
26k
views
Why does my Nikon D90 have a "Job nr" error?
I have a problem with my D90 I'm unable to figure out. Whenever I take a long exposure with my D90 (say, for 10 or 15 seconds), when the shutter closes again, the info display on the camera reads "Job ...
- 1,195
8
votes
3
answers
765
views
Why does my external flash use Ni-Cd and Ni-Mh batteries so quickly?
I've recently purchased a Canon 430EX II to use with my 550D and it's great but I'm having battery issues.
I've been trying to use 2× 800mAh Ni-Cd and 2× 2500 mAh Ni-Mh (all rechargeables, the 800mAh ...
- 1,738
9
votes
5
answers
1k
views
What conditions hold up continuous shooting?
Sometimes when attempting to shoot continuously (at high speed) with my Nikon D90, something appears to block the smooth interval between shutter releases.
I have it set up to take RAW and JPEG ...
- 763
7
votes
2
answers
2k
views
Is it sensor damage? Or dust?
I have been trying to shoot partial solar eclipse today with my Nikon D3100, and later noticed this spot on images:
I do not have special sun filter, but i tried my best to cover lens with disk from ...
- 1,007
20
votes
7
answers
64k
views
Why do images get "corrupted"?
I have had my Nikon D40 for a while, and some of the pictures are coming out distorted.
Two examples are below:
So my questions are:
How do I fix them after the fact? - i.e. after they have been ...
- 303
12
votes
3
answers
712
views
How to prevent zoom-creep?
The Nikkor 18-200mm VR lens creeps until fully extended if pointed vertically down.
This is preventing me from using it on a rostrum camera.
Is there a piece of equipment or a simple (and non-...
- 763
5
votes
3
answers
5k
views
Why does my 420EX Speedlite sometimes fail to start up?
I have a Canon 420EX Speedlite that sometimes won't start up. When it's not working, it behaves as if it didn't have any batteries in it... just totally dead. The odd thing is, it doesn't seem to be ...
- 6,660
4
votes
3
answers
10k
views
What should I do when I get "Lens Error Restart Camera"? [duplicate]
Possible Duplicate:
What should I do about Canon PowerShot “Lens error, restart camera”?
I have a PowerShot SX20is that started to throw this error out of the blue:
Lens Error ...
- 141
18
votes
4
answers
6k
views
How can I avoid soft dull "spots" in my pictures?
Recently, I've been doing a lot more photography, particularly with my 100-400mm telephoto and 16-35mm wide. I am skilled enough that I can capture the shot mostly as I want with just the camera gear, ...
- 70.5k
11
votes
8
answers
8k
views
Why are my Lightroom exports too dark in Flickr?
I've been using LR3 for a while now and have noticed that when I export a photo to JPG and upload it to Flickr it ends up slightly darker. The exported photo is ok, it's the image when viewed through ...
- 555
7
votes
5
answers
15k
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Why is my Nikon 18-200 lens not focusing at higher focal lengths?
My Nikon 18-200 lens on a D300 camera will not focus when it is zoomed between 135mm and 200mm. Is there any tips on how to solve this besides handing it in to a photo store?
- 183
11
votes
1
answer
1k
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How can you tell if a lens is having problems with back focusing?
I recently bought a Canon EF 24-70/2.8L to use with my 450D and I suspect that it is constantly back focusing. Is there any way of determining if it is something wrong with the lens or if it is a ...
- 381
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