Question about Canon Rebel XT / EOS 350D Digital Camera

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Need to clean mirror or lens

I have a large dust particle or some kind of hair that is visible on all my pictures. I have tried to clean the inside and outside of the lens (I have the kit zoom lens) and even gently wiped the mirror with a photo cloth to no avail. What should I do to clean off all surfaces that may be affecting my picture quality? Is there any professional cleaning service that I can rely on to make sure I get high quality pictures? Thanks in advance!

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Your camera has a sensor clean option. use it. never trust your fingers to hold your shutter open because you could accidently close on whatever your using to clean it and damage the shutter. go to your menu and select sensor clean and the shutter will stay open as long as you need. the camera will instruct you how to close it.

Posted on Apr 11, 2007

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The particel or hair is probably on the IR filter glass that sits over the sensor. You could try puting the shutter on bulb. If you then remove the lens and hold the shutter release you will be able to see the filter glass and possibly be able to remove the particle with a blst of compressed air. Do this in a cleanish room or you will make things worse.

Posted on Mar 18, 2007

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Picture problems


Two things to look at from rear with back off: one is the inside of the screen and or the large mirror in rear of unit--do not touch mirror.

second is the unit has a small lens (2-3 inches) the points up towards the mirror---dust or such on it will cause this--it can be cleaned with a lens cloth.

If the mirror has this (uncommon) the entire front of set would have to be removed (screen units) and that is not real easy.

If lens and mirror and screen are ok problem is INSIDE the optical unit that the lens is part of---on rare occasions that can be cleaned out with compressed air.

without seeing a photo of what it looks like this is all I can suggest.

Oct 22, 2012 | NEC Toshiba 42Hm66 42-Inch 720P Dlp Hdtv:...

1 Answer

A small brown spot is on all of the pictures I've taken starting today. Looked back at pictures from last week and didn't see it. Same place all pictures, both lens.


Hiit is simple dust particles. I can let you know by very simple tip. But unfortunately I can not describe in word everything. First thing you can try is that you can you ear know remover or squeeze blower. Set the camera at ccd cleaning mode.(not auto mode) See front inside of mirror box when mirror goes up, you can recognize the brown spot. Blow with the blower. Other method is I can not expain everything.

Jun 03, 2011 | Nikon D40x Digital Camera

1 Answer

I've got some visible(I see it on the pictures and on the digital display) dust (tiny hairs etc) on my lens (actually inside) so it seems I can't get rid of it without taking my cam apart. The dust is then...


If this is a fixed lens camera (you didn't give a model) I'd suggest strongly for you not to attempt to take it apart. Hopefully what you are experiencing is dirt on the outside of the lens. If so turn on the camera huff (breath) on the lens to create a slight amount of moisture and then use a lens cleaning tissue to gently clean the lens.

If as you say this dirt is on the inside then I would suggest getting it cleaned by a camera repair facility. Problem there is a lot of these point and shoot cameras cost more to clean and fix then it does to just go get another one.

Next thing if the inside is dirty they you must have a lot of lint in your pockets or you have been using this camera in a dusty environment. For carrying it would be best in an actual camera case rather then an open pocket and for dusty condition I've used shallow water camera bags and I've also used ZipLock bags while photographing a waterfall.

Apr 12, 2011 | Panasonic Cameras

3 Answers

My panasonic Lumix DMC-ZX1 shows 3 dark spots and 2 hairs on all pictures. When I zoom-in the dirt is more visible and when I zoom-uit I dont see the hairs any more and the dark spots appear wider and...


Yes, you can clean. Not as complex as I originally thought.
1) Remove all of the silver screws
2) Separate the silver case (should split in 2)
3) Remove the 3 black screws in the middle
4) remove the center square cover that is over the lens
5) Use a duster spray to clean the lense and mirror
6) Reassemble in reverse order
Not knowing what I was going to get in, the entire process only took about 7-10 minutes.

Email me at malhokc1@yahoo.com with any questions.

Feb 09, 2011 | Panasonic Lumix DMC-ZR1 / DMC-ZX1 Digital...

2 Answers

Need to clean the bulb to make picture clearer is this possible?


Because of age of use, dust covers the PRT lens (Red, Green and Blue) and Mirror as well. You can clean them with a soft cloth, with care. It is easier if you can remove the Screen (front side) but it is kind of complicated. The easier option in most of the Rear Projection TVs is to remove the lower cover and check if you have access to Lens and Mirror. Avoid excessive pressure in lens and specially with the mirror while cleaning is made. This process can make the picture clearer, specially if dust is excessive.

Mar 11, 2010 | Philips 60PP9202 60" Rear Projection...

1 Answer

Hair and particles on pictures-not on lens or mirror-on sensor


You must have dusty mirror box area. Here is what you should do. 1. Remove lens from the body. 2. Blow out any dust from the mirror box area using can duster (careful not to spew out liquid). 3. go to menu and select mirror up or ccd clean mode. You can also set at manual shutter speed "B" and hold up the mirror. 4. Blow out dusts over the CCD sensor (Do Not Use can air! If any liquid sprayed on CCD the cleaning gets worse) so use Hand-squeezee air bulb. You can purchase one from any camera stores.) 5. test shots and repeat. 6. If this procedure did not resolve the removal of the dust, you can purchase a cleaning solution package and try it. I do not recommend it becasue our techs get lots of cleaning requests from these package. Remember, if you are using these solution, 1. Never give any pressure to the screen, just tissuie touch pressure only. 2. move circular motion as you mouth blow the air as you move. complete the motion exiting through the corner of the screen. Did not work? send it to repair techinician! Our tech cleans it for $49. 24 hour turn around and also checks the camera too. Good Luck

Mar 26, 2009 | Nikon D70s Digital Camera

1 Answer

Dust inside my d200


The view finder and focusing screen are separate from the CCD sensor. The mirror reflects the image to the view finder until you take a picture. Then the mirror goes up, the shutter opens to expose the CCD to capture the image.

If you have a lot of dust, you should look into a cleaning kit, or have it professionally cleaned. This will show up on your images as white and/or black specks.

Jun 29, 2008 | Nikon D200 Body Only Digital Camera

1 Answer

My projector Benq pb6200 needs cleaning from the inside how???


I have an Optoma EzPro 737 DLP projector that accumulated dust inside the lens and for ages I couldn't figure out how to get rid of it. It cast shadows onto the picture and scattered light outside the edges of the picture. I thought I'd have to dismantle the whole lens assembly (then realised that this is virtually impossible without being an expert). I then stumbled upon a little black rubbery plastic panel on the side of the light path, which unclips. I then realised that the dust had built up on the lens that sits in front of the DMD chip (the thing that makes the picture).

Here's what I did, with the case open and having vaccuumed out all the dusty parts of the projector to avoid making the situation worse:
- Took off the little rubbery panel,
- Removed the lamp from the projector and placed a flashlight inside, shining into the light path (or a mirror directing light from a table lamp above)
- Looking directly into the lens from close up, you should be able to see the particles of dust stuck to the inner lens (with a nice magnified view)
- First tried blowing air into the gap on the side of the light path (I used a balloon pump).
- Next, I poked a piece of thick nylon fishing line into the hole so that it could touch the surface of the inner lens.
- While looking into the lens, I could see the tip of the nylon, then directed it to the largest dust particles and used it to scrape them off (nylon is much softer than glass, so won't scratch the lens).
- This was quite time consuming but I got rid of the most obvious bits.

I'm not sure how different this would be for another model of projector - but I hope it helps!

Dec 16, 2007 | BenQ (200NSH-LAMP) Projector Lamp for...

1 Answer

Dust Behind Lens on F707


That's odd. I had the 707 (may she rest in God's eternal peace), and never thought that dust could get behind the lens. Do you see the dust when you look through the EVF, or when you look at the lens itself? Either way, one way to test it is to set the camera to the smallest aperture (f/8), infinity focus, and shoot a clear blue sky. Open the picture in your editor program, and see if the dust shows up. That's a technique to use with an SLR to see if the dust inside would affect a picture, so I'm not sure if this will work with the 707.

Sep 12, 2005 | Sony Cyber-Shot DSC-F707 Digital Camera

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