Bed Frame Queen Instamatic Provides Your Bed with Perfect Support. The Mantua bed frame queen instamatic has extremely durable features, including a 1.5-inch angle iron construction that cradles your bed's foundation so it does not shift. A double angle support beam runs down the middle to prevent sagging.
Quora User, Digital photography since 2003... Optical zoom is a variable focal length lens, like a 15-85mm or 25-200mm lens. In an APS-C sensor DSLR camera, the standard or prime focal length is 35mm. Any focal length lower than this is called wide angle range. All the focal lengths above 35mm are called tele photo range.
July 8th, 2008 by Greg Innes. Pan-tilt-zoom (PTZ) is a name given to a type of IP camera where the user can control the movement and position of the lens from a remote location using controls on an Internet browser or software application.he benefits of having a pan-tilt-zoom camera in a security application are obvious. Having a camera which can be controlled from a remote location enables a user to cover a much larger area with a single camera.