Serene Life

by garik

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

issues with dust on digital sensors and lenses

learn more… | top users | synonyms

21
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 ...
7
votes
1answer
531 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?
21
votes
6answers
921 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 ...
15
votes
7answers
8k 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 ...
5
votes
2answers
1k 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 ...
8
votes
2answers
991 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 ...
6
votes
4answers
278 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 ...
2
votes
2answers
601 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 ...
14
votes
5answers
591 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
6k 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. ...
4
votes
3answers
877 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 ...
3
votes
1answer
446 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
1answer
679 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 ...