Christopher Breen has a dirty little secret -- the sensor on his digital SLR is smudged with gunk. But with the help of experts, the right tools, and a little patience, he was able to remove the ...

Do you notice small black specks in your photographs, regardless of what lens you use? If so, you might have dust on your sensor. Here's how to clean up your sensor using a variety of methods.

If you own a DSLR, periodically cleaning your sensor isn’t just good hygeine, it makes for cleaner, better photographs. Of course, getting the sensor properly cleaned can cost a pretty penny ...

Nikon issued the following advice to customers: "As a first step, please follow the guidance from the User’s Manual (pages 301-305) related to the “Clean Image Sensor” function and manual ...

So the crop factor is the ratio of the image sensor size to 35mm film. This means that your Nikon D850, Canon EOS R, Sony A7 III, or other full-frame camera has a crop factor of 1X.