How do I clean up the fingerprints on the camera lens?
SLR refers to single-lens reflex viewfinder, that is, SLR (Single Lens Reflex), which is today's most popular viewfinder system, most 35mm cameras are using this viewfinder. In this system, the unique design of the mirror and the prism allows the photographer to view the image through the lens directly from the viewfinder.
Therefore, you can accurately see the film is about to "see" the same image. The heart of the system is an active mirror that is placed in front of the plane of the film at an angle of 45 °. The light entering the lens (as shown in the red light path) is reflected by the mirror up to a piece of frosted glass.
Clean up the camera lens on the fingerprint method is as follows:
With a lens pen, lens paper, medical cotton, etc., first gently dry wipe, if you can not wipe a little dip on the pure water wipe, you can.
