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Dirt in the viewfinder of my d200. I've cleaned the eyepiece. i have also removed the lens and cleaned the ground glass. there is still what look like small pieces of dirt.

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Dear friend, take your lens off, turn your camera to M for manual, rotate the main comand dial till you see the word BULB, press down the shutter button and keep holding it down, use a hand puffer, not canned air and gently puff some air into the camera. Very important, the lens opening must be facing down so any little debris will fall directly out. Let go of the shutter button when finished and replace the lens, repete if needed. You can buy those little hand blowers or puffers at any camera store. Hope that helps, Barry fossils@rapidnet.com

Posted on Dec 02, 2008

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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

1 Answer

My pentax k1000 has a black splotch in viewfinder, does not show up in images.


It would depend on exactly where the splotch is. If it's on the outside of the viewfinder, you could simply clean it off with a damp cloth (and maybe some Windex or Formula 409). If the eyepiece is damaged, you can order a replacement part here.

Remove the lens and look at the mirror. If their is something on the mirror, you can carefully clean it. The mirror is very sensitive and vulnerable to scratching. If the reflective coating has been removed then you'll need a new mirror.

Look up at the bottom of the focusing screen. That's the more-or-less clear piece of glass that the mirror will reflect light from the lens onto. If there's a splotch on the outside, you can clean it off.

Those are the parts you can get to. If the splotch is on something on the inside, then you'll have to take the camera to a good camera shop to have a trained professional disassemble and clean it.

May 23, 2012 | Pentax K1000 35mm SLR Camera

1 Answer

Hello my question is about what I think is a mirror issue on my n75 Nikon camera. When I look through the viewfinder the picture appears fuzzy. I looked closely at the lens and it does not look like it...


First off, with no lens attached, it will always be fuzzy, there is nothing to focus the light. Second, if you're looking at the mirror, you should be able to tell if it's dirty - if it is, glass cleaner and a soft rag are all that are required.

I'd suspect however that neither are your issue. Either your focusing screen is out of place or damaged, or your camera's diopter correction (if it has it) has been moved, Look for a small dial right next to your viewfinder with a +/- on it, and with the lens attached, and focused, turn the dial until everything is in focus. If your camera has this dial, it'll be usually on the right side of the viewfinder window.

If it does not have it you'll need to seek a repair shop to check your focusing screen since the mirror is 99% not going to be the cause of your problem. If there are no shops locally, google KEH Camera. It'll run you $35 for an estimate, waived if you decide to have any needed repairs done.

Sep 08, 2011 | Nikon N75 35mm SLR Camera

1 Answer

The eyepiece lenses have something on the inside. Can they be removed for cleaning?


  1. Carefully clean your binoculars by firstly removing any dirt or dust from the main body and straps using a soft microfibre cloth. Avoid the lenses at this point using any form of cloth on the lenses before removing all dirt and dust particles first could destroy them.
  1. Gently remove all traces of grit, dirt or dust particles from the lenses using a soft lens brush or canned air specifically designed for the purpose.
  1. Waterproof binoculars can be rinsed gently under a tap but be sure to use on lightly running water, avoid high pressure water as it could damage your binoculars.
  1. Gently remove any remaining marks using lens cleaning tools such as a lens pen or lens cleaning fluid and lens tissue. Do not be tempted to use kitchen towel or anything else lying around that is slightly rough and may scratch the surface of the lens, only use a lens pen, lens tissue or a lens cloth. Gently wipe the lens using a circular motion working from the centre of the lens to the outer edge. NEVER apply lens cleaning fluid directly onto the glass (always apply to the cloth) and always ensure that the lens cleaning fluid you are using is recommended for the type of lens coatings that have been applied to your binoculars (Do not use general household glass cleaning products or products designed to clean computer screens or glasses. Such products could destroy the lens coatings of your binoculars if used).

May 15, 2011 | Tasco 7x50 Waterproof w/Imp. Compass...

1 Answer

All my photos are slightly out of focus-no matter what setting i'm on.


One possibility that you can correct:
The eyepiece (viewfiender) diopter is out of adjustment for your eyesight.
Look at the viewfinder and locate the "slider".
Now look through the eyepiece (viewfinder) while in auto-focus mode.
Adjust the slider, left or right, until the image looks sharp to you.
If you wear corrective glasses, you can adjust the diopter whether you use your glasses or not.

This solution assumes that you are shooting in auto-focus; however, this also works in manual mode.
If you require more info, please post a comment for me, or view other expert advice.
-Just Gort.

Sep 21, 2010 | Canon EOS 40D Digital Camera with 17-85mm...

1 Answer

Model Power Shot S1IS - my view finder is blurred but the photos taken are clear. Did I touch the wrong button??


Next to the eyepiece is a diopter adjustment. This allows you to focus the viewfinder just for your eye. The camera lens is not affected. I can adjust the diopter and shoot without my glasses haveing to be on.

Sep 29, 2009 | Canon Power-shot S1 IS Lens Converter

1 Answer

Unclear viewfinder


remove the lens, inside and
up in the top you will see the the lens port, is it dirty.
clean it with a lens cleaner.
and
some cameras ( I don't exactly know this one) has a focus near the back viewfinder for folks that wear glasses.

Jan 26, 2008 | Leica M6 TTL .58 35mm Rangefinder Camera

1 Answer

How do I clean the camera lens?


The best way to clean a lens is to use a piece of lint free lens cleaning tissue and a small amount of lens cleaning solution. Place a drop or two of cleaner on the tissue (never directly onto the lens) and then wipe the lens in a circular motion, removing any marks or smear. Additionally a smaller blower brush can be used to simply blow off or brush away loose dust. If the above supplies are not available a clean, dry, soft, lint free cloth can be used to clean the lens. The same method can be used to clean the viewfinder eyepiece of Nikon cameras.

Aug 30, 2005 | Nikon Coolpix 3200 Digital Camera

1 Answer

How do I clean the camera lens?


The best way to clean a lens is to use a piece of lint free lens cleaning tissue and a small amount of lens cleaning solution. Place a drop or two of cleaner on the tissue (never directly onto the lens) and then wipe the lens in a circular motion, removing any marks or smear. Additionally a smaller blower brush can be used to simply blow off or brush away loose dust. If the above supplies are not available a clean, dry, soft, lint free cloth can be used to clean the lens. The same method can be used to clean the viewfinder eyepiece of Nikon cameras.

Aug 29, 2005 | Nikon Coolpix 5700 Digital Camera

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