Lens cover
Encyclopedia
A lens cover or lens cap provides protection from scratches and minor collisions for camera
Camera
A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura , an early mechanism for projecting images...

 and camcorder
Camcorder
A camcorder is an electronic device that combines a video camera and a video recorder into one unit. Equipment manufacturers do not seem to have strict guidelines for the term usage...

 lenses
Photographic lens
A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...

. Lens covers come standard with most cameras and lenses. Some mobile camera phone
Camera phone
A camera phone is a mobile phone which is able to capture still photographs . Since early in the 21st century the majority of mobile phones in use are camera phones....

s include lens covers, such as the Sony Ericsson W800
Sony Ericsson W800
The W800 Walkman, released in 2005 , was the first Sony Ericsson phone to use the Walkman brand. The phone features Bluetooth v1.2 , Infrared and USB connectivity....

, the Sony Ericsson K750
Sony Ericsson K750
The Sony Ericsson K750, introduced in June 2005, was a high-end mobile phone, the successor to the now discontinued K700, and which was succeeded by the K800i in Q2 2006.Before official release, K750 was known by its codename Clara....

 and the Sony Ericsson K550
Sony Ericsson K550
The Sony Ericsson K550 is a mid range mobile phone. Announced on February 6, 2007, it was the successor of the K510 model sensor with two-LED photolight and an active lens cover for the camera lens protection and easy camera activation when taking pictures from the phone...

.

A more secure lens cap is the metal screw-in lens cap which cannot pop off a lens accidentally. Although a screw-in cap takes more time to remove in order to take a photograph than a standard lens cap, it is stronger than plastic and therefore more protective.
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