Various types of lens cap

Author: feifei

The professional quality metal back lens cap has an extra strong design. It has a professional quality screw-on back lens cap which is made of high quality aluminum. These are female threaded caps while normal metal lens caps have a male thread.  These are special use caps which will not work on the front of a normal camera.

      The push-on lens cap has no moving parts.  The cap simply pushes on to the filter or lens. The actual size of a lens cap is about 2mm larger than the listed size. This allows a normal fit on some camera filters and lenses. These push-on lens caps are not returnable.  The snap-on lens caps are highly recommended.

      A cap holder prevents loss of lens caps for fixed mounted lenses.  This product includes a piece of string with two special ends.  One end has a plastic tab having a two sided tape that tends to adhere to your lens cap.  The other end also has a plastic tab that tends to connect to your camera body. It is usually at the camera strap eyelet.

       Another type of cap holder is able to prevent the loss of lens caps for all interchangeable lenses, movie, as well as video cameras.  This is a product that consists of a piece of string with two special ends.  One end has a plastic tab with two sided tape that adheres to your lens cap while the other end is an elastic band that attaches around your lens.  When your lens gets removed from your camera, the cap as well as the cap holder stays with the lens.

       Squeeze the lens cap's side tabs for easy attachment or removal, even if there is a lens hood in place. The center pinch-release mechanism of the lens cap will prevent it from accidentally being bumped off, while it is in your bag or you are shooting in a crowd.

          The snap-on lens cap helps to protect front part of lens from dust and scratches. It usually has side clips. Lens caps tend to protect the front and rear portions of your lenses and teleconverters from dust smudges as well as scratches. Camera body mount caps help to protect the mirror box and reflex mirror in case a lens is not affixed to the camera body. The easiest way to know which lens cap you need is by looking at the number on the back of the cap. The cap fits super tight if it is put on correctly. 

 

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