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issues with dust on digital sensors and lenses

learn more… | top users | synonyms

20
votes
2answers
2k views

Why use a small aperture when trying to see sensor dust?

Here and there I read of people who set their lens to a small aperture while testing their sensor cleanness, supposedly to get the best image of dust speckles. However, the image of the on-sensor dust ...
20
votes
6answers
865 views

Should I be worried about getting dust inside my SLR?

I recently went to Silverstone to watch the F1 qualifying and took my DSLR camera with me. Throughout the day, I switched lenses a few times, but each time was very conscious that there was a lot of ...
16
votes
3answers
400 views

Why is there not a protective glass element that is between the lens and shutter in a SLR?

With the danger of dust on all SLR cameras, it only seems logical that adding a simple glass element that went between the lens and shutter (mounted on the camera) would both protect the camera's ...
14
votes
8answers
7k views

How weather resistant is the Canon EOS 7D?

Canon states that the 7D is weather resistant and built to resist water and dust. There is even a blog which shows a EOS 7D covered in snow, during a field trip. But reading trough the comments of ...
11
votes
5answers
430 views

Does it matter which way the camera is orientated for the sensor cleaning to work?

With the advent of sensor cleaning in newer bodies - does it matter which way up you hold the camera whilst it is cleaning? I understand that the sensor cleaning works by vibrating the sensor to knock ...
8
votes
4answers
5k views

How effective are in-camera integrated sensor cleaning systems, and have they improved?

Few years ago, Canon introduced some sort of internal sensor cleaning system that (as far as I understand it) shakes the sensor off any dust it collected during use. This shake is very high frequency. ...
8
votes
2answers
821 views

Is it normal for there to be tiny dust particles in a new lens?

I'm the owner of a new Canon 550D with a Canon 18-135mm IS lens. While looking into the lens, I noticed what I think are two tiny dust particles (I would say smaller than 1mm) behind the first glass ...
8
votes
1answer
316 views

Where is this dust located on my sensor?

I have a really nasty looking piece of dust on my 550D's sensor, situated in the top right-hand corner of each image I take with anything higher than f/11. I am going to get a decent sensor cleaning ...
7
votes
2answers
3k views

Is it normal to have tiny black dust spots in the viewfinder of a DSLR?

After shooting for about a month with my new D7100 I discovered some dust in the viewfinder / focusing screen or the prism area. The dust is not visible in the images and it does not have any effect ...
7
votes
1answer
485 views

Dust-like speck visible every few pictures — is it dust, or worse?

I seem to have to dust-like speck on my Sony Cybershot S950's lens, but it appears randomly every few pictures. Could something be going bad internally?
6
votes
4answers
258 views

How do I clean the external forward-facing glass on my lens?

How do I clean the external forward-facing glass on my lens? Over the last year or so of use it has accumulated a little dust and a translucent smear mark. Nothing serious, but I'd like to remove ...
5
votes
1answer
470 views

How can I find a point & shoot camera which will not be dust-cursed?

All my "point and shoot" cameras always end with noticeable dust in the lens (usually just after the warranty expiration), and although they otherwise work fine, I'm forced to buy another one. I ...
4
votes
2answers
949 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
664 views

How do I avoid dust entering my camera when changing lenses?

Akin to Should I be worried about getting dust inside my SLR? and What should I do to avoid switching lenses?, I have a certain paranoia of dust/debris entering my camera when changing lenses. Are ...
4
votes
3answers
287 views

Is there free software which can correct smudges etc caused by dust inside the camera?

My cheap point-and-shoot digital camera (BenQ DC C1035) has served me well for a year and a half but recently seems to have let some dust inside which results in smudges or blobs on every shot. Since ...
4
votes
3answers
1k views

What to do about persistent dust spots on my DSLR?

I need an advice I have dust spots appearing systematically on pictures (with blue/white/grey skies & aperture > 9) I understand this can happen, I understand how and why it happens, especially ...
3
votes
2answers
318 views

Will keeping the lens on-camera help protect from dust and fungus?

If I keep the lens on the camera will it be protected from dust and fungus? I keep my Nikon D5100 fitted with the lens in a plastic bag together with some silica gel. Is that enough to protect it?
3
votes
3answers
3k views

How do I clean dust in a Sony A55 SLT?

I am pretty sure I have dust inside of my Sony a55 SLT (Single Lens Translucent). However I'm not sure how to get rid of it or where exactly it is. I think it could be either on the translucent mirror ...
3
votes
4answers
527 views

How to get rid of dust or hot pixels

Sometimes shooting a long exposure results in hot pixels and some times dust on lens becomes apparent if shooting with very small aperture. Despite having all good qualities the photo looks ugly due ...
3
votes
1answer
119 views

Does lens focus affect the appearance of sensor dust?

I know that aperture affects the appearance of dust on a camera's sensor (or, technically, the filter in front of the sensor), but does focus matter at all? Since the dust is behind the lens, I ...
3
votes
1answer
360 views

Healing dust and scratch marks in scanned photos in post-processing

I borrowed a Coolscan V ED (LS-50 ED) scanner and scanned some old negatives as .NEF files. However, I didn't turn on all the Scan Image Enhancer / Digital ICE features, so a lot of them have quite a ...
2
votes
2answers
508 views

Dust on the sensor, should I be worried?

I did a 30 second long shot without the lens and checked the sensor and saw some dust on my sensor (even though camera has sensor cleaning). I didn't see any defects on photos yet, but is it something ...
2
votes
3answers
132 views

Why are there no DSLR cameras with protective curtains for lens exchange?

Reading this thread I got to think of why there are no DSLR bodies with protective curtain that extends (and by doing that spans over the entire mount) while changing lenses and then retract ...
2
votes
2answers
143 views

Is this fungus or dust on my lens?

I've a D5100 for around a year with 18-55mm kit lens and recently bought a 55-200mm lens. For around 1 month I saw a starry shape in the front glass of the lens. After searching on Google I came to ...
2
votes
1answer
111 views

What level of water/dust protection will a silicone case provide?

As far as I know, the entry level cameras (like EOS650D or D3200) do not have water/dust protection. Surfing the internet, I found that there are silicone cases exist for cameras. So, is it worth ...
2
votes
2answers
1k views

Nikon D600: how to fix hundreds of photos with dust on them?

Like many D600 owners, I'm hoping that the dust on sensor issue that comes with this otherwise nice camera will somehow solve itself. In the meantime, I have hundreds of shots that I took with an ...
2
votes
1answer
412 views

What is the “Dust-Off Reference Photo” on a Nikon DSLR?

I have seen this in my D700 menu and just saw it again on Nikon's tech sheet for the new D4. Is this the same tech that Minolta is using to clean their sensor of dust or is it something else? How does ...
2
votes
2answers
361 views

How to batch process dust and scratch removal in pictures with the use of filters?

I have a few hundred scanned slides that are about 30 yrs old and contain quiet a lot of dust/scratches. I'd like to use a filter to automate removal of most dust/scratches as I cannot realistically ...
2
votes
1answer
151 views

How can I avoid dust on my eyecup rubber?

The Nikon DK-21 rubber eyecup just collects so much dust and I have to wash it regularly to keep it clean. Any suggestions on how to keep this clean in the camera bag and when handling the camera? or ...
1
vote
3answers
186 views

Does shooting my photos in RAW and converting them help to correct small spots of dust on the lens?

I have found a statement on one of Russian sites: They (photographs) often shoot in RAW, and it, in turn, removes various small spots in the form of dust on the lens when converting. Is it ...
1
vote
1answer
124 views

Has anyone used a DiCAPac waterproof case? Looking for point and shoot dust protection

Trying to figure out a way to bring my new Canon S100 to Burning Man, but worried it won't stand up to the harsh dust of the desert like a sturdier SLR would. Has anyone tried one of these waterproof ...