Entertainment / Photography / Focusing Cloth
Focusing Cloth: Dark cloth used in view camera photography.
IF (Internal Focusing): System in which only the internal lens group shifts during focusing. If benefits include focusing without changing the physical length of a lens body, faster focusing, reduced diameter of th . . . View Full Definition
Front Element Focusing: System of lens focusing in which only the front component of a compound lens moves backward and forward to adjust focus.
Rack And Pinion Focusing: Mechanical focusing system used on copying or monorail cameras. A pinion engages a rack on a slide. Focusing is achieved by turning a knob or wheel, which moves the lens or image panel.
Rear Focusing System: System where only the rear lens group moves during focusing. It eliminates changes in the physical length of the lens during focusing.
Zone Focusing: Is a method of focusing the lens so that the depth of field extends over a preselected range of distances.
Swaddling Clothes: Narrow strips of cloth wrapped around an infant (Merriam-Webster On-line). Jesus was wrapped in swaddling clothes and placed in the manger
Selective Focusing: Method of adjusting the lens aperture and shutter speed to give a depth of field that will limit image sharpness to a particular area of the image.
Focusing Screen: Ground glass screen fixed to the camera at the image-forming plane, enabling the image to be viewed and focused.
Focusing Magnifier: Device to magnify the optical image and aid visual focusing.