Questions tagged [dust]

issues with dust on digital sensors and lenses

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42
votes
10answers
35k views

What are the dangers of removing a lens while the camera is on?

The manual warns that you should turn the camera off to remove the lens, but it doesn't say why. I suspect this may have to do with dust, but I could imagine there are lots of other reasons. I'm ...
2
votes
3answers
197 views

Dust inside lens result incomplete images

There is a peak of dust inside my lens( Canon 100-400mm 1st gen). And I can find a dot on some of my images( I have no idea why I didn't find it on other images). And is there anything that I can do ...
1
vote
1answer
80 views

Dust on the sensor vs. in the lens? [duplicate]

I have an old, used Panasonic LX100 (Point and Shoot) that I plan to use as my main all-use video camera. I just started noticing that dust spots are visible in the image on apertures larger than ...
1
vote
1answer
77 views

Why is there heavy dust and scratches only on the darker part of scanned color prints?

I was scanning my color prints and while postprocessing them, after descreen, I had noticed a trend that there were always a lot of dust and scratches on the darker part of the image, while the ...
1
vote
1answer
135 views

Lens getting fungus again and again

I have a sigma 24-35 f/2 lens and it got affected by fungus and I cleaned it from a professional recently and after that, I am keeping it inside an air-sealed box with a lot of silica gel bag but ...
18
votes
3answers
1k 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 ...
4
votes
2answers
379 views

What are these branching, dust-like particles? How to prevent their spread?

I am new to photography, and I have found some dust-like particles inside of my lens. I think this is a fungus infection. Is this okay to use this way? Will it infect other lens and camera body if i ...
1
vote
0answers
156 views

Dots on images, visible in viewfinder, with lens off

Nikon d750 dot on image - always same place. Visible speck through viewfinder in the right place , with lens off. I know it can't be any sensor mark seen via viewfinder, none the less I've cleaned ...
10
votes
3answers
38k 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 ...
0
votes
1answer
95 views

What causes these (constant) black stray lines on my photos? [duplicate]

There are black lines on my Nikon D3100 and I'm wondering if it is a problem with the lens or with the body itself.
12
votes
2answers
3k views

How to spot dust in images quickly while doing a shoot outdoors?

You can see in this photo there is a clear grey spot above the boats. I did not notice it until I got home and imported the photos for post-processing. Here is the shot right before this one. As you ...
1
vote
2answers
113 views

Are these soft blotches caused by dirt on the sensor?

Can someone tell me if this is dirt on my image sensor? They show up in the same place in other images. This photo is a bit clearer — taken at f22 manual focus at the sky and in the exacly same ...
9
votes
3answers
3k views

What are these pixel-level discolored specks? How can I fix it?

I recently noticed some weird discolored specks in my images, and I thought it was a lens issue, so I tried cleaning the lens. The specks got a tiny bit smaller, but unfortunately still there. I took ...
5
votes
5answers
9k views

Does the Canon EOS Rebel T5/1200D have any dust related problems?

I’m planning on purchasing the Canon EOS Rebel T5/1200D very soon. It’s the only DSLR that fits my budget (other one is the Nikon D3100 which I don't plan to get). I like everything about the camera ...
5
votes
3answers
1k views

Why are there black dots on all photos taken with Sony phone?

I took this image with a Sony phone. The lens is clean on the outside. The owner of the phone says those black dots started appearing and supposedly are multiplying. Is it some dust in the insides of ...
1
vote
3answers
109 views

Is dust less of an issue with larger sensors?

Recent mirrorless cameras are very susceptible to dust, because the sensor is fully exposed when changing the lens. However, many recent mirrorless cameras (Sony, Canon) are full frame. Is dust less ...
-1
votes
2answers
347 views

Does the EF - EOS R adapter have a protecting cap on both ends?

One of the best price/performance ratio and weight/performance ratio full frame cameras today is Canon EOS RP. In order to get the best price/performance ratio for lenses, one needs to use it with non-...
1
vote
2answers
257 views

Focus motor problem in lens due to fine dust particles

I have a Sigma 18-250mm F3.5-6.3 DC Macro OS lens that I use exclusively with my Nikon D5300. I went to Denmark last year, and visited Rubjerg Knude Lighthouse. If you've ever been there, you know ...
1
vote
1answer
333 views

From Linux shell, how to batch-remove dust from images using scan of dust?

I have a large number of scans made with the same scanner. After noticing that there are a few consistent specs of dust on the images, I made a scan of the dust hoping to somehow remove the dust from ...
1
vote
1answer
108 views

Is it a fungus or something else?

the following picture is from my dad's Konica Hexanon f/1.7. Would you call the white layer a fungus, haze, dust or something different? Thanks
2
votes
2answers
2k views

Are mirrorless cameras more susceptible to sensor dust?

According to an answer to the question Why shutter is not closed by-default on mirrorless cameras as it's closed on film ones? mirrorless cameras have a "default open" shutter. Mirrorless cameras ...
1
vote
2answers
121 views

Will these particles on the sensor affect image quality?

I have a Canon Rebel T6. I'm really newbie and know very little about photography. I think I made and big mistake and accidentally let dust enter the sensor area and the mirror area. To visualize the ...
2
votes
1answer
875 views

How does dust get in a lens?

I recently saw someone offering an Nikon 70-200mm VR II lens for a good price second hand. The only drawback mentioned was that it has a little dust behind the front element. How could this dust ...
16
votes
1answer
2k 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 ...
1
vote
2answers
1k views

Fungus or dust?

yesterday I noticed this spot on my zuiko 12-40mm lens, besides other dust particles (I hope it's dust). It's a bit visible after f8. I shot with f22. I checked the lens last week and it didn't had ...
6
votes
3answers
7k 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 ...
6
votes
2answers
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 ...
4
votes
3answers
3k views

Is this dust on lens or something else?

In my question's preview, the attached image looks rotated. So, assuming you are able to see it in the real orientation, can anyone determine what is that dust flake type thing on the top, slightly ...
1
vote
1answer
272 views

Removing sticky particle from sensor [duplicate]

I have two particles on the sensor of my Sony a6000. Both are round and about 0.3 mm in diameter. The spots are only noticeable in bright areas and are easy to remove with Capture One's spot removal ...
1
vote
1answer
191 views

Why doesn't the shutter close (like it does in mirror-up mode) when changing lenses to protect from dust?

I've just noticed a lot of dust on my sensor and I had to send my camera to the service center to get my sensor cleaned. I've noticed that when I use the mirror up mode "the function that prevents ...
8
votes
4answers
11k 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. ...
0
votes
1answer
1k views

How do I make Photoshop's "Dust & Scratches" filter only apply to areas with problems, rather than blurring the whole image?

When removing dust and scratches or when I want to apply a filter at a certain place in the image, Photoshop blurs all the image (Filter -> Noise -> Dust & Scratches). Why is that? I just need ...
9
votes
2answers
2k 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?
3
votes
4answers
146 views

Will clay and wood dust affect my camera?

I'm a craft design student focusing on pottery and woodworking. Recently I've been thinking of recording my crafting process, hence I will be bringing my camera (Canon g7x) into the studio, maybe put ...
1
vote
2answers
211 views

How do I remove dust and fine hair artifacts in my photos?

There is a large streak along the left hand side of my picture. The detail of the picture is not occluded fully, but I lack the knowledge of how to remove it. Zoomed detail of the affected area: I ...
0
votes
2answers
892 views

Dust spot or scratch?

I'm a bit worried about a potential scratch to my d7000 sensor as shown in the rather grainy image below. Note the black line in the top left. It is more of a fine line vs. the 'spots' I've seen in ...
0
votes
1answer
1k views

Dust visible on pictures with small aperture

A few months ago I took my then new camera (Nikon D7200) out with a tripod to take some small aperture shots. I noticed a significant amount of artifacts on the resulting pictures. A quick Google ...
5
votes
1answer
384 views

Whatever happened to dust?

Back in the day, lens cleaning was a front and center concern, with everyone discussing their preferred methods and products. I had a blower brush, tissues, and fluid as part of my kit. But now, ...
1
vote
1answer
5k views

Black spot on image while shooting with high aperture [duplicate]

I'm using 18-55 canon kit lens on Canon 700D body, the lens works fine with f/3.5 to f/14 , when increase that to f/16 , f/22 a black dot appears on the image, I have tried cleaning lens and body body....
0
votes
3answers
8k views

Speck on view finder or sensor

I saw some speck on the screen but it did not show in the photo that i took. so i decided to clean it on the mirror and sensor. but after i clean it, the dust did remove but other dot came out and ...
2
votes
3answers
2k 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 ...
17
votes
9answers
17k 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 ...
17
votes
5answers
3k 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 ...
4
votes
1answer
2k views

How to separate dust and scratches in scanned RGB+IR dia/film images for later removal/healing?

I scanned slides and I have now 48 bit color plus IR (infrared) 16 bit gray files. Now I am processing them to remove dust and scratches and I am looking for a way to batch-detect the correct ...
6
votes
1answer
2k views

What's the best way to clean dust from film negatives? [duplicate]

Every time I scan my 35mm negatives, there is always a lot of dust, even after using a rocket duster and wiping with a microfiber cloth. What sort of equipment exists in order to get rid of the dust? ...
1
vote
1answer
662 views

Is this a scratch or dust in my Nikon D3200 Viewfinder? [duplicate]

I recently bought a refurbished Nikon D3200 DSLR and saw this speck in the viewfinder. My question: is it just dust or a scratch? (This does not effect my photos- just the viewfinder.)
2
votes
1answer
4k views

How to remove dust from inside lens and prevent recurrence

I have read several questions here regarding dust in a camera lens: should I be worried about getting dust, will it affect the image, and is it a problem. One answer suggested that "zoom lenses are ...
15
votes
3answers
994 views

Is there any point in using automatic sensor cleaning on my DSLR even if I never remove the lens?

I only own one lens for my camera (Canon EOS 60D), and I never take it off. Is there still any point in having the standard automatic sensor cleaning done on power on?
5
votes
3answers
3k 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 ...
8
votes
2answers
3k 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 ...