Alley in Pisa, Italy

by Lars Kotthoff

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Tidying up sensors, lenses and other photographic items from dust, fungus, liquids etc.

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0
votes
1answer
61 views

Grain of sand in view finder on Nikon D3100

I took my camera to the beach (stupid idea) and after I was back home, I realized I had a single grain of sand in my view finder. The good news, is that its not in the lens or on any of the pictures ...
2
votes
1answer
201 views

How can I replace this clear plastic rectangle from inside of my DSLR piece?

While cleaning my camera, this piece was scratched. What is its name? and is it possible to replace it?
5
votes
1answer
116 views

Can fingerprints and smudges “ripen” if left on a lens for a long time?

Something I read on the Internet and magazines (for example here) from time to time is that fingerprints and smudge can "ripen" if left on a lens for a long time. I find this a bit hard to believe ...
3
votes
3answers
344 views

How to clean a multi-coated filter and not damage it?

I have recently purchased a Hoya ND400 multi-coated filter and took it out for some shooting. I accidentally got a fingerprint on it and decided to clean it with my microfiber cloth. Unfortunately, ...
2
votes
3answers
133 views

How to clean shattered UV filter glass from Lens?

I have a camera lens where the UV filter shattered when it was in my camera bag. I was able to remove the filter, but there's bits of glass on the lens. I currently just put the lens cap back on and ...
3
votes
2answers
119 views

Are these weirdly-shaped purple stains really from particles under the first layer of the sensor, and if so, what can I do about it?

I have those little particles on my pictures. There are a lot of them, as you can see, and they have different weird shapes: I already sent my camera for a sensor cleaning and the guys at the shop ...
9
votes
2answers
652 views

How to clean a lens cover?

I own an all-in-one camera: a Canon Powershot A710. I'm not aware what happened exactly, but now the automatic cover (the thing that opens when you turn on the camera and the lens pops out) is sticky ...
2
votes
1answer
125 views

Am I able to clean white background in Lightroom?

I have a photo of an object on almost clean white background (see below). As you can see the bottom of the photo is perfectly clean white, but the topmost of the picture is slightly gray which is not ...
4
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
3answers
86 views

Cleaning stains left by frost from the front of a lens

I just returned from about 3 days of shooting at night when the temperatures would start around 50 F and would drop to 18 F leaving a frost on the ground. The lens hood did a decent job acting as a ...
26
votes
7answers
992 views

Is it ok to breathe on the front glass element of a lens to fog it and clean it?

Nikon specifically recommends not breathing on the glass elements to clean them as harmful acids in the breath can damage the coatings on the glass. However, I've read on many other websites that it ...
7
votes
4answers
1k views

How should I clean my focusing screen?

While on holidays I managed to get hair and dust onto the focusing screen of my 550D. How should I clean this off. I have already tried a normal lens cloth, but that only made it worse.
11
votes
2answers
913 views

Removing rust from a lens's mount?

My wife gave me a used Pentax 50mm f/1.7 SMC-M for my birthday. (I know some people get Leica 50mm f/0.95 Noctiluxes for their birthdays, but, y'know, kids to take care of and so on. And it's a very ...
2
votes
2answers
293 views

Is it possible to safely disassemble a polarizing filter?

I just purchased an Hoya PL-CIR filter off craiglists (I'm starting photography and it was cheap) and it looks like there is some dust/dirt between the two lenses. Is there a way to safely ...
0
votes
4answers
108 views

Dark spots - sensor toast?

I can't seem to get rid of some very annoying dark spots that are very noticeable under certain lighting conditions. I've taken a test shot of my monitor showing a white background and amped up the ...
3
votes
1answer
187 views

How to clean spit off my camera sensor?

A short while ago, I [foolishly] attempted to clean some specs of dust from the sensor of my camera by blowing on it. While this was successful in removing the dust, I inadvertently spat on the ...
1
vote
1answer
96 views

How and should I clean a single fingerprint off a filter?

I purchased a ND 1024x B&W filter and it arrived with a small fingerprint near the perimeter of the filter. Should I clean it or just leave it as cleaning would do more harm than its presence? ...
20
votes
2answers
5k views

How does automatic sensor cleaning work?

My Canon 5D MKIII DSLR often does sensor cleaning when powered off and occasionally I'll go through the menu and specifically run a sensor clean when I've been shooting in unusually hazardous ...
22
votes
5answers
27k views

Why does fungus form in lenses, and how to get rid of it?

Recently I was using an old Pentax 50mm f/2 that had a quite big green spot, and later I was informed that it was a fungus. A couple of questions raised from this: Why does fungus form inside the ...
12
votes
4answers
2k views

Is it risky or difficult to wet clean an image sensor?

I've discovered spots on the image sensor of my DSLR camera that cannot be cleaned using a blower bulb, so I would like to know the risk of problems, such as further image deterioration or damage to ...
6
votes
5answers
522 views

Can smudges and grease marks add to the problem of lens flare?

I want to know if smudges (finger prints etc) and grease marks in specific have any effect in increasing the lens flare. As those who wear glasses may already know about the problem of flares caused ...
3
votes
2answers
915 views

How to clean the focusing system?

Yesterday I was photographing an event and had to change a lot between lenses (50mm and 18-55mm). Surprise, surprise, today when I looked on the viewfinder I saw a little piece of fabric and a little ...
8
votes
5answers
5k views

Why does my HTC cell phone lens appear so dirty, and how can I clean it?

My cell phone lens that looks dirty; or, I'm not even sure it qualifies as a lens — it's the transparent cover. See the photo below. I'm not sure if the lens was always like this or it happened at ...
6
votes
2answers
264 views

How to get sand out of the sensor?

You know whats fun? Playing with a camera on the beach. You know whats not fun? The aftermath. I don't know how it's managed to get in the actual sensor area, but it has. I have a Canon 5D and I ...
3
votes
2answers
163 views

How to clean a wet filter?

I recently bought a few expensive filters (100x100mm / 100x150mm). After a session of shooting in the beach the filters got wet, one from a splash and the other seems to be a bit wet because of the ...
2
votes
1answer
196 views

UV to kill fungus

Are UVA leds effective to kill fungus or is sunlight better (it contains UVA and UVB)? What is the recommended power? Related: Why does fungus form in lenses, and how to get rid of it?
4
votes
2answers
832 views

How to safely clean the rear element of a lens

I was cleaning my lenses when I suddenly realized... I had no idea how to clean the back element of the lens. I asked Google and he only talks about the front of the lens and how you can earn money by ...
3
votes
2answers
189 views

Is cleaning shutter release from the battery compartment with alcohol safe?

I have a very irritating issue with my Canon 40D bought only two years ago: the shutter release is working only 1 times over 4 tries. After some google searches I found this solution: pour one spoon ...
5
votes
1answer
268 views

Is it possible to get an eye infection using a camera's viewfinder?

Is there any chance of eye infection from using a viewfinder? If so how can we get rid of that? How can we clean a viewfinder?
4
votes
1answer
192 views

How to set up a safe environment to clean inside an old lens?

I have a couple of old lenses from film SLRs that I picked up at an opp shop a few weeks ago. A few of these lenses are in pretty good shape, except the fact they have fungus growing inside the lens ...
7
votes
2answers
669 views

Why are compressed-gas dusters not recommended on the mirror of an SLR camera?

Every compressed-gas duster (including Dust Destroyer and Dust-Off brands) contains, among others, the following warning: Never use on camera mirrors. What is the potential risk here? I've used ...
1
vote
1answer
116 views

Lens cleaning pen - disappointed by results, is this working right?

I just got one of these for the first time, a lot of threads on here recommend them and they seem like a great idea. Bought a Nikon one from amazon for $8 and while I really like the brush it seems ...
4
votes
4answers
345 views

Lens Cleaner Recommendations

What is, in your opinion, the best lens cleaner? Which do you think is the most effective/best value for your money/most easy to use, etc. Please include advantages/disadvantages as well as price and ...
3
votes
1answer
322 views

Will cleaning up the reflect mirror under strong sunlight damage the sensor?

I was cleaning up the reflection mirror under the strong sunlight in an afternoon, after that I realized that could potentially damage my sensor, since I found the mirror is somewhat semi-translucent, ...
5
votes
1answer
357 views

Colored powder in a lens: will it need a cleaning?

I was taking photos of people playing Holi. Some of the powdered colour landed on the lens of my Canon Powershot S95, and in the groove of the flash housing. By lens, I mean the cylindrical part that ...
26
votes
11answers
2k views

What is the best way to clean the sensor on a digital SLR?

I've got a couple of spots of dust on the sensor of my Canon 20D - a rocket blower isn't shifting them, and I'm ridiculously scared of some of the more direct methods for cleaning sensors -- what ...
9
votes
3answers
2k views

How to clean 35mm negative film?

What is a proper way to clean a 35mm negative film stripe before scanning? What chemicals can remove fingerprints, dust that does not come off by blowing, or strains of glue? What type of cloth does ...
2
votes
2answers
623 views

How to clean contacts on my canon 1100d DSLR?

I keep getting an error message on my canon 1100d, when taking photos on my 70-300mm tamron lens when the lens is on 300m it wont take the shot, it keeps showing an error message about the contacts ...
4
votes
3answers
2k 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 ...
7
votes
2answers
294 views

What exactly is a “circular motion” when using a lens cleaning pen?

The instructions for the Lenspen lens cleaning tool as well as those for similar knock-offs all say: Wipe the lens surface with smooth circular motions. "Circular" can be interpreted in several ...
6
votes
3answers
444 views

How to clean an actual CMOS sensor? (Not the IR low pass filter)

All of the "sensor cleaning" instructions I've found are actually for cleaning the IR low pass filter in front of it. Unfortunately, I've got a tiny bit of tape residue on the actual CMOS sensor of ...
10
votes
3answers
3k views

Should I clean my camera sensor, or take it to a professional?

Possible Duplicate: Best way to clean the sensor on a digital SLR? Can anyone offer me advice on how to clean my camera's sensor? Should I do this myself, or take the camera to a ...
5
votes
2answers
262 views

100 year old hand painted backdrops - How to gently clean?

We have just taken possession of a group of hand painted back drops that are somewhere between 70 and 100 years old. They hung in a neighboring Masonic Lodge for all that time. Do I dare try to ...
3
votes
2answers
405 views

How to get rid of dustmites on the camera and accessories?

I usually store my camera inside the carrying case which I received with my camera. Sometimes the camera lays still for several weeks without any activity. When I took out the camera recently, I ...
4
votes
1answer
162 views

24-105mm Lens Cleaning

I've recently come back from a caving trip where there was quite a bit of (surprise surprise) mud and dirt around me. While I did try and take care of the camera (I carry all my gear in Pelican Cases) ...
5
votes
5answers
419 views

How often should I clean my lens?

You may have read Lens Cleaner Recommendations, and now I would like to know how often to clean my lens. I have been using one lens for about a year without cleaning it yet and recently got a new zoom ...
2
votes
1answer
169 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 ...
40
votes
9answers
3k views

What is the best way to clean lenses and filters?

After removing dust with an air pomp and a brush, what are you using to remove stains from the lens and filters? So far I'm using the liquid from a Giotto's CL 1002 cleaning kit for the lens, but I'm ...
3
votes
4answers
2k views

Can I use spectacle cleaning wipes to clean camera lenses?

Can I use spectacle cleaning wipes (alcohol based) to clean camera lenses? I know it shouldn't be used on plastic (like LCD), but is it OK for lens?
0
votes
1answer
443 views

Lens not attached message on nikon d5000 with nikon 24-70mm

I recently bought a Nikon 24-70mm for my D5000, but I soon had the "lens not attached" message on my screen. The message disappears when I slightly rotate the lens a bit more. I've searched online ...