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Need to clean mirror or lens - Televison & Video

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Ok, open it up and use some windex to clean themwith a soft cloth.

Posted on Jan 13, 2013

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Posted on Jan 02, 2017

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Looking through viewfinder i see dirt & black specks


It depends where the dirt is. Following the light path, look at the rear surface of the lens. A dirty rear lens surface will have the most affect on picture quality or what you see in the viewfinder of any position in the light path. Like all optical cleaning procedures, hold the lens with the rear lens surface facing the ground so gravity will work with you. Start by blowing clean air on it using canned air or a blower such as a Rocket blower or ear syringe. If that is sufficient, do not continue the sequence. This holds true at the conclusion of each step because the more aggressive your cleaning becomes, the more risk there is of damage. If it is still dirty, gently brush it with a sable or camel hair brush. If that is not sufficient, gently wipe it with a dry lens photograph lens tissue (do not use coated tissues) or a microfiber cloth. Finally, as a last resort, dampen a corner of a lens tissue or microfiber cloth (do not put the wet solution directly on the lens) and gently wipe with a circular motion. Finish by wiping with a dry section of the tissue or cloth. Although the front surface of the lens is not as important, repeat the process for the front surface.
If you still see the dirt in the viewfinder, are two possible remaining locations; the bottom surface of the prism located above the mirror or the mirror.
Clean the prism first and avoid cleaning the mirror if possible, or any contact with the mirror. The prism can be cleaned following the sequence outlined above. If that doesn't work, the problem is the mirror.
CAUTION! The mirror is front surfaced and is very susceptible to scratches and other damage unlike a conventional mirror which is rear surfaced with the glass protecting the coating. Aggressive cleaning should be avoided.
Carefully follow step 1 of the lens cleaning procedure (air) and step 2 (brushing) if necessary. As far as the third and fourth steps, I would not use them myself because of the risk of mirror coating damage. It would be better to take your camera to a qualified repairman.


remove the lens and look above the mirror at the bottom of the viewfinder prism. If it is dirty, clean it as you would clean a lens surface. The next place to look is the mirror.
CAUTION! The mirror, unlike the mirror over your bathroom sink, is front surfaced and there is no glass between you and the delicate and easily damaged coating. Hold the camera with the mirror facing down so that gravity will work in your favor. If that does not work, I would stop and take it to a camera repairman because you do not want to risk scratching the surface by using lens tissue or cleaner.

Feb 05, 2013 | Nikon F100 35mm SLR Camera

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How to clean the fungus off a Mirror on the inside of a 500mm Mirror lens


Unless you have a lens collimator and other gear needed to make sure you get the lens and mirrors aligned properly when you put it back together, don't even think about taking it apart. Take it to a reputable camera shop and have a trained professional do it.

Jan 30, 2013 | Samyang 500mm f8 Ultra Telephoto Manual...

1 Answer

How to clean lens and mirror pioneer 530


you have to remove the rear cover then you can access the lens and mirror, used fiber cloth to clean the lens and mirror.be careful not to use too much force when cleaning .

Oct 10, 2012 | Pioneer PRO-530HD 53" Rear Projection...

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I have spots on all of my photos. It's particularly noticable when taking photos with a solid background, particularly anything with sky involved. I've tried cleaning the lens and taken the lens off to...


Never, never touch the mirror!!!. You have dust on your sensor. Google the words "how to clean a DSLR sensor" and you will find sites which explain the procedure and places to get the supplies needed.

Jan 23, 2011 | Canon EOS-20D Digital Camera with 17-85mm...

2 Answers

Print Quality Issue In magenta color in HP color laserjet cp3505n i hv to change cratridge but problem not resolve Pleae help us


I received a similar HP Laserjet Color Printer with same issue for repair/ maintenance a few months back.
Actually the problem is with the printer design not the magenta cartridge and it needs professional hands for servicing and cleaning. The mirrors which reflect laser beam get covered with dust and toner. hence the image is not produced properly. note that first magenta goes off, followed by yellow, then cyan and lastly black. this is because of the mirrors placement inside the printer.

Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer.

Clean them yourself with dry n soft cloth (if you are familar with such tasks) or get it cleaned by any printer repair/ service professional. Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors.

Hope it would help, looking forward

Nov 02, 2010 | HP COLOR LASERJET CP 3505 N PRINTER

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

Picture can be seen but its blurred around the edges of corners of screen


clean the mirror and all the lens and the screen.you will need to remove the screen to clean the lens and mirror.

Aug 08, 2009 | Televison & Video

1 Answer

I need to clean mirror


Most rear projection sets the screen will pop off the front. Usually a couple of hidden catches. Get another person for this.
Once off you can clean the mirror but not the inside of the screen.
Unplug tv first

Mar 13, 2009 | Toshiba 43A10 43" Rear Projection...

1 Answer

Cleaning mirrors and lenses on Sony big-screen projection TV


it's fairly easy to remove the screws on the back bottom portion of any rear-projector television. when the bottom part is removed, you will see both the mirror and the 3 lens. isopropyl alcohol or windex should do an efficient job. a soft lens rag can be found at any camera store. i'd spray the lens rag instead of the actual lens or mirror when doing this job.

Mar 31, 2008 | Televison & Video

2 Answers

Scratch appears in photo's


The nice curvy pattern looks like a hair but I supposed it could be something else. Are you sure you've cleaned both the front and back of the lens?

Sep 19, 2005 | Nikon D70 Digital Camera with 18-50mm Lens

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