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  1. #11
    Senior Member
    Felisek's Avatar

    Re: How to check and clean your sensor

    How to check your sensor

    1. Find a large flat surface of bright uniform colour. I use my white ceilings.
    2. Set the camera in manual mode and lens in manual focus.
    3. Set a small aperture, e.g. f/16
    4. Set the shutter speed slow enough to overexpose by about +1 or +2 EV.
    5. Point your camera at the surface. Get close to it, but not too close, you don't want a shadow.
    6. Focus the lens at infinity, you want to blur out any specs on the surface.
    7. Take a picture.

    You should get a bright uniform smooth area in your picture. You will see any dust specs from the sensor. The small aperture makes them sharper and easier to spot.

    How to clean your sensor

    I use Eyelead gel stick (available on Amazon). Very good German engineering. Doesn't use any liquid. It is a piece of sticky gel that grabs all the dust from the surface of the sensor. Then, the dirt is transferred to a piece of sticky paper. The idea is that the paper is more sticky than the gel, so it collects the dust from the gel, not he other way around. After this the paper can be disposed of and the gel reused.


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    Best Answers fotojack voted best answer for this post
     
    Marek
    my flickr
    Nikon D500, D7100
    Tokina 11-16 mm f/2.8 AT-X Pro DX II
    Sigma 17-50 mm f/2.8 EX DC HSM OS
    Sigma 50-150 mm f/2.8 APO EX DC OS
    Nikkor 55-200 mm f/4-5.6 VR
    Tamron 70-300 mm f/4-5.6 Di VC USD

    Sigma 150-600 mm f/5-6.3 DG HSM OS
    Nikkor 85 mm f/1.8 G



  2. #12
    Senior Member
    Challenge Team
    Eyelight's Avatar

    Re: How to check and clean your sensor

    How to check and clean your sensor
    I had noticed a few spots that would pop up in the same place, but nothing like what I found when I made a Sensor Dust Image. This is just shooting a normal photo and not using the cameras reference photo feature. There ref photo is for software to use.

    Set lens to smallest f/stop, focus to infinity, if zoom lens set to longest focal length, shoot a brightly lit white surface about 10 inches (250mm) distance, process the shot for the best look and voila, you get this.

    How to check and clean your sensor-dsc_1821_150203_1024_001.jpg
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  3. #13
    Senior Member
    J-see's Avatar

    Re: How to check and clean your sensor

    I noticed my sensor can be named Sir Spotalot after shooting a clear blue sky and removing the highlights in post.

    I have that many, I was tempted to delete the shot instead of removing the spots. Normal shots they hardly show but blue skies make them stand out magnificiently.





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