Question about Nikon D50 Digital Camera with 18-55mm Lens

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Really Dark Viewfinder

It seems like my camera is having trouble registering light. When looking through the viewfinder with a lens attatched, everything looks really dark. I can take pictures in manual mode, but it refuses to do focus or take pictures in autofocus mode. I have a normal 18mm - 55mm lens and a 70mm - 300mm lens. When the lenses are removed and i look through the viewfinder, it is obviously blurry, but it is bright. When I look through either of the lenses, I can see brightness as well. But when I attatch the lens to the camera, everything is dark. I have no idea what is wrong.

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  • yearbookgirl Feb 11, 2008

    I can see the aperture blades.

  • Kevin Pettit
    Kevin Pettit May 11, 2010

    Look at the front of the lens while its mounted on the camera. Can you see the aperture blades or only glass?

  • Anonymous Mar 21, 2014

    I try to take a photo in low light and the lens will not focus, so it will not take a picture. I can make it manual but photo is blurred.

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  • 667 Answers

That would explain the darkness if the lens is stopped down. It would seem the aperture control is faulty on the camera body. Normally, the aperture remains open until you take the picture. It is only closed down while the shutter is open.

Posted on Feb 11, 2008

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My E 300 works fine with the 14-45 3.5-5.6 lens, bright viewfinder and good photos. However, with the 40-150 3.5-4.5 lens the viewfinder went dark abd photos are overexposed. Problem went back and forth...


I assume this happens while your camera is in the automatic mode. Because if the camera is in manual, you can't assume both lenses give the same light to the sensor.
But I should look if the contacts on the lens and in the camera, ale all clean and shiny. And not one of the contacts is allowed a dent. Not even a little dent. All contacts must be flexible. Then be sure the Aperture setting on the 40-150 must be correct. The camera manual does not say a thing about the settings on the lens, but I should look there too.

Feb 19, 2014 | Olympus EVOLT E-300 (Double Lens Kit)...

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I advise a high school yearbook and we shoot a d100. Today it's too dark to see through the viewfinder (yes the lens cap is removed), and i ger the r06 error. I've reset the camera, removed and...


First, the "r06" message is NOT an error code. It indicates the number of shots remaining in the internal memory buffer, before the camera must prevent additional shutter actuations so that it may transfer those images already in the buffer to the memory card. This "r" number will decrease with each shot taken in rapid succession until it reaches 0. The shutter release will no longer work until the buffer is transferred to the memory card, then shooting may continue again.

As far as not being able to even see through the viewfinder, it sounds like something may be obstructing the light from reaching the meter and viewfinder. The problem is most likely the position of mirror inside the camera body. With the lens off the body, the mirror should be plainly visible at about a 45 degree angle to the opening. A side view drawing of this is below. The solid red line is the mirror in the normal position. The red dashed line is the up position of the mirror when the shutter is released.

steve_con_93.jpg

When the mirror is in the "normal" position, the light from the lens is projected on a screen so that the image is visible in the viewfinder for composing and can be metered. When in the "up" position (when the shutter release is fully depressed), the light from the lens is projected on the camera's sensor for as long as set by the manual settings or program; based on ISO, aperture, etc. At the end of this time, the mirror returns to the "normal" position.

If your D100's mirror is not in the lowered 45 degree angle position, the image seen in the viewfinder is inside the camera - not that which the lens would project. Hence, the dark viewfinder, long exposure times and - I'm guessing - severely overexposed pictures because way too much light is striking the sensor because the meter is only seeing darkness.

If the mirror is ok, with the lens removed from the body, look for the aperture lever as shown in the yellow circle in the picture below:

steve_con_92.jpg

By default, the aperture is at minimum. The camera moves the lever from this position to full open (and anywhere between) as needed. You should gently move the lever to the other end of its travel to open the aperture to maximum. Point the lens away from a light source but preferably at a light colored background. Look through the lens. There should be no obstructions and be clear. Next, look at a dark colored background to find the same results. If you want, you can even allow sunlight to shine through the lens onto a sheet of paper (like a magnifying glass). The result should be a bright circle with no obstructions. Obstructions in the lens will prevent the meter in the camera from getting accurate information about the scene and if significant enough, prevent viewing through the viewfinder.

You may wish to have the camera & lens professionally cleaned and serviced to repair a mirror or lens issue.

If this was helpful, please rate it as such. Good luck!

Oct 04, 2011 | Nikon D100 Digital Camera

1 Answer

I have just started using my husband Pentax K100D camera. The viewfinder seems really dark. My camers is a Fujifilm S5700 that seems to have a lighted viewfinder. Is there any way to make the viewfinder...


The best way to lighten the viewfinder is to purchase a new focusing screen. There are many alternatives available and usually cost around $100. There are specialty screens to allow better manual focusing and others that brighten the viewfinder. These effects are usually achieved through coatings on the screen. They are relatively simple to install, however if you are uncomfortable doing it yourself, a local camera shop should be able to do it in a matter of minutes.
This screen will allow better focusing of manual lenses and will also brighten the viewfinder, when you purchase the "Brightness enhancement treatment" option at the bottom of the page. http://www.katzeyeoptics.com/item--Pentax-K100D-K110D-K200D-K-r-K-x-Focusing-Screen--prod_K100D.html
The linked product also fits your camera, and the brand is highly regarded as being good quality. There are other options available though, simply search on B&H Photo Video or Adorama Camera. They have many different options.
B&H:http://www.bhphotovideo.com/c/search?Ntt=k100d+focusing+screen&N=0&InitialSearch=yes Adorama:http://www.adorama.com/SearchSite/Default.aspx?searchinfo=focusing+screen&category=4294962858
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1 Answer

When looking through the lens - it is dark and all photos are dark even in well lit setting...


Is there a filter on the lens? remove the filter and try that. What mode are you shooting in? Switch to "P" for program and the camera will balance the light meter to a correct exposure. When looking through the camera viewfinder yes things will look darker then the scene because of all the glass and stuff the light is traveling through to get to your eye. Sort of like looking at something then putting a pair of sunglasses on. That part is normal. Also the faster the F stop the brighter the viewfinder will be. So lets say your 18-55 is an F4 lens. A lens that is an F2 will be a stop brighter and a lens that is F1.2 will be even brighter then that. You might not be paying attention to the light meter in the viewfinder which for correct exposure the needle needs to be in the middle between the - and + symbols.

Jan 11, 2011 | Canon EOS-20D Digital Camera

1 Answer

I recently purchased the D80 and had no problems, it worked great and took magnificant shots. However, the other day I turned it on and the viewfinder was now, dark and out of focus. The battery was fully...


Check the mirror. The image you see in the viewfinder comes through the lens, and is reflected by the mirror. If it's dirty, it will affect the image you see. When you take the picture, the mirror lifts up, the viewfinder image is interrupted, and the light from the lens goes to the image sensor. So...if the mirror is dirty, the picture will be fine but the viewfinder image will be dark or out of focus.

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At first it sounds like a faulty aperture blade that is stuck after your first press. However you mentioned that this happened in other lenses as well. Seems to me that there is a problem with your camera (e.g. mirror lockup problem or something else). Pls have it looked at by Nikon

Aug 13, 2009 | Nikon D80 Digital Camera

1 Answer

Dark viewfinder


Reset the camera to factory settings.

If still you have the problem, use a different se of lens.

It seems the iris is not working properly in the lens.

Try in clean the lens and the camera contacts too.

Best regards,

Jun 09, 2009 | Canon EOS 400D / Rebel XTi Digital Camera

1 Answer

My d40 has a image in viewfinder, will not take picture


It sounds to me that you are using an incompatible lens or a broken one. Does this happen with the lens that came with the camera?

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1 Answer

Everything is so dark!


If the camera is working properly with other lenses, then you have a problem with that lens. In M, you can set the aperture yourself, and the photos come out properly exposed. When the lens is set to auto, apparently it is going to minimum aperture and not responding to the camera's 'instructions'. The thing that makes me think so is that you say everything looks dark through the optical viewfinder. Normally the aperture stays full open so you can see and compose your shot, and only stops down to the correct aperture when you actually take the shot. I would suggest having the lens checked by an appropriate camera service shop.

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