Orquid "Phoenix"

Orquid "Phoenix"

by ceinmart

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Questions about a specific problem or issue, often dealing with a lens, camera body, image sensor, lighting equipment, or software specific to photography.

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15
votes
4answers
1k views

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 ...
13
votes
4answers
2k 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, ...
13
votes
3answers
790 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 ...
12
votes
1answer
1k views

Why is sharpness lost in my DSLR viewfinder?

I have a fairly new Nikon D7000 (I've taken about 2000 pictures). Something happened during my last trip, where thew viewfinder never gets sharp anymore. It always looks out of focus, regardless if ...
11
votes
8answers
1k views

How can I prevent blurred images when using a tripod?

I'm doing panoramic HDR photography for work using one of those stupid cheap mirror balls mounted on a tripod (not my decision!) and I am noticing on my longer exposures that sometimes I'm getting ...
11
votes
2answers
338 views

What's the reason for this exceedingly blue reflection from buildings in this image?

I've noticed that lately my camera has some issues with blue neon lights. Here's an example shot. You can notice the effect in the reflection of the water in a building and in the blue dome of ...
11
votes
4answers
925 views

Why is my Nikon D90 viewfinder shaking?

My Nikon D90 started having an issue where the image in the viewfinder shakes, or taps whenever I turn it on or focus. Has anyone ever seen this issue? I'm assuming that it's the mirror. I turned ...
11
votes
1answer
828 views

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 ...
10
votes
4answers
2k views

Why is the sky in photos always too white?

Why do I never seem to get a clear picture of the sky during the day, even with white puffy clouds in the sky? It always looks over exposed and whitened out? I am using a Nikon D3100, no lens hood, ...
10
votes
3answers
916 views

Is my Canon EF-S 15-85mm IS USM lens defective or par for course?

I got the Canon EF-S 15-85mm IS USM this week after a lot of deliberation as an upgrade to my 18-55mm IS kit lens for my Canon 550D, and did some trial shots using it and found the images to be on the ...
9
votes
7answers
4k 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 ...
9
votes
1answer
313 views

What caused dark areas around bright light in this cityscape shot?

I know a little about cameras since doing two courses, and so I set my camera on manual setting most of the time to take shots. I took the following shot in New York of Manhattan at night. Because of ...
9
votes
5answers
567 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 ...
9
votes
2answers
402 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 ...
9
votes
2answers
1k views

Are these images symptomatic of shutter failure?

This is a burst sequence taken with a Canon 1D Mark II N in high-speed mode (8fps). You can see the bright line down the center and the dark area in the upper-right. I have several other sequences ...
9
votes
1answer
1k views

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 ...
8
votes
4answers
2k views

Why are those green spots on my photo?

Took a pic with my 35mm Nikon lens last night, and got this light artifact. Is this something normal? Reflection? Is it dirt on my lens? How do I prevent this from happening? I think it only happened ...
8
votes
2answers
170 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 ...
7
votes
6answers
4k 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 ...
7
votes
3answers
508 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 ...
7
votes
4answers
7k views

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 ...
7
votes
4answers
181 views

What camera defect would cause a shot to be exposed on one half of the frame and not the other?

I've posted before about my crazy old Canon Model 7 rangefinder camera that I got recently. After a brief episode with lens repair, I've gotten a few rolls developed, and some of the shots didn't come ...
7
votes
5answers
5k views

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 ...
6
votes
5answers
2k views

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?
6
votes
3answers
10k 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 ...
6
votes
2answers
721 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 ...
6
votes
2answers
571 views

Why is my DSLR taking pictures with the top darkened?

What's wrong with my D5100? Recently, I'm not getting full size pictures? Pictures taken shows top side with darkened layer. It started after I had a sports activities coverage, but as far as I can ...
6
votes
2answers
3k views

I cannot open the internal flash on my Canon 60D camera; how do I fix it?

I tried opening the internal flash on my Canon 60D camera the other day and it didn't open at all. I couldn't understand why. After messing around in the menus, I found out that the camera thinks that ...
6
votes
2answers
2k views

Err 80 appears when I turn on my Canon EOS 5D Mark II

Recently when on holiday in Italy my 5DII stopped powering up. Turn the switch on and - nada. Pulling the battery and popping it back in brings the camera to life, however as soon as the camera goes ...
6
votes
1answer
3k views

Why is my Nikon d3100 with 18/55 lens suddenly fuzzy?

I was taking some inside pictures with my Nikon D3100 and 18/55 lens when, all of a sudden, the lens started to work funny -- the more I zoomed in on the subject, the fuzzier the picture looked in the ...
6
votes
1answer
312 views

Is camera damage causing these severe diagonal lines from concentrated light sources?

Since a week or so, I have severe diagonal stripes around light-sources in my night-time photographs on my Canon Powershot A650. In the past, I had some (I guess due to Fraunhofer diffraction, see ...
5
votes
4answers
17k views

Why won't my new Canon Rebel T3i take a picture with the 18-55mm lens in autofocus mode?

I just purchased a brand new Canon Rebel T3i kit from Costco.. I used it for a couple of days, but now when I have the 18-55mm lens attached and the camera on auto-focus, it will not take a picture. ...
5
votes
5answers
2k 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. ...
5
votes
2answers
188 views

What would cause a hot-spot (large) in Live-view but not when shot through the viewfinder of Nikon D7000?

viewfinder shot - Same exposure/iso settings http://cchanphotography.com/images/sensor_issue/viewfinder.JPG liveview shot http://cchanphotography.com/images/sensor_issue/liveview.JPG
5
votes
6answers
19k 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 ...
5
votes
3answers
3k views

Why does my Canon 7D get blurry pictures with a 70-200mm f/2.8 IS (series 1)?

I'm wondering if it's normal for a Canon 7D with its crop sensor to get unsharp pictures with a 70-200mm 2.8? I just bought a used 70-200 and it seems a little bit blurry. Maybe it needs calibration? ...
5
votes
3answers
734 views

White spots on some photos

I'm fairly new here and fairly new to photography too. So I'm hoping someone can help me out here. You see, there is this white spot that appears in my photos and I don't know what causes it. It ...
5
votes
3answers
4k views

Why does my Nikon D5000's AF Assist only turn on in some automatic modes?

I am using a Nikon D5000 with a 50mm f/1.4 with autofocus. When I try to use manual mode (or aperture priority, or shutter priority), my AF assist beam does not light, which makes it hard for my ...
5
votes
1answer
784 views

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 ...
5
votes
3answers
4k 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 ...
5
votes
3answers
551 views

How to troubleshoot Nikon D5100 not powering up?

After logging many hours years back on an XE-7 Minolta SLR, this old dog took delivery today on new Nikon D5100 (my first digital). Assembled per instructions, inserted freshly charged Nikon battery ...
5
votes
1answer
497 views

Why does my Nikon D300 have live view disabled with my 300mm f/4?

Recently I wanted to use the live view with my 300mm f/4 AF-S and when I pressed the shutter it did nothing (live view did not start). The live view works perfectly with the 24-85mm AF-G f/3.5-4.5 ...
5
votes
2answers
1k views

Photos taken on unformatted compact flash card

I inserted a SanDisk 32GB compact flash card thinking I'd formatted it. I was able to take 100's photos on a recent holiday. When I tried to transfer them to my computer I was informed on the computer ...
5
votes
6answers
13k views

Why does my Nikon D3100 no longer auto-focus correctly?

I bought my camera on January 2011. Since a few months ago, I'm facing a problem with the autofocus. It happens with my two lenses 18/55mm and 55/200mm. I noticed that the focus light doesn't turn on ...
5
votes
3answers
541 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 ...
5
votes
3answers
1k views

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
votes
3answers
713 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 ...
4
votes
2answers
952 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: http://pix.academ.org/img/2011/01/04/70baea815d1557594f096a82ab05704f.png I do not ...
4
votes
3answers
496 views

Why is there a strange white spot on all of photos from my Zenit-B SLR?

I've taken some photos with my old Zenit-B camera. And I have some strange white spot on all of the photos in the upper right corner. Sometimes it is not too recognizable, but it is everywhere. ...
4
votes
1answer
325 views

What is causing strange horizontal “flare” on all my photos regardless of lens and/or POV?

Suddenly on (almost) all photos I have a strange light band in the middle, regardless of lens and or angle on which I shoot the photos. The camera is an old Canon 1Ds Mk II and AFIAS the line of light ...