fixed-focus lens


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fixed-focus lens

[′fikst ‚fō·kəs ′lenz]
(optics)
A lens whose focus is invariable, as on inexpensive cameras with no mechanism for adjusting focus but so designed that all objects from a few feet away to infinity are tolerably in focus.
References in periodicals archive ?
Especially for photography enthusiasts, they struggle between fixed-focus lens and zoom lens.
Among the improvements over last year's model: The camera now has auto-focusing, whereas the older model had a fixed-focus lens that didn't compensate for how far away the subject was.
Jenoptik Optics LLC produced a special-purpose, fixed-focus lens for MiniMAX that mixes high resolution with high speed in a lightweight package.
Featuring such Peanuts cartoon characters as Snoopy, Woodstock and Charlie Brown on the packaging, the camera is preloaded with the Fujicolor 800-speed film and includes a powerful, quick flash system and a high-quality fixed-focus lens for taking color pictures indoors or out.
the camera features one-button operation, a timer for single delayed exposures or a series of as many images as can be held in memory, automatic exposure, fixed-focus lens, and a soft case.
The camera measures about 5 inches by 2 inches, has a fixed-focus lens, and a shutter speed of 1/30 to 1/2000.
A fixed-focus lens projects images from multiple video inputs at 30" to 100" diagonally.
Instamatics have fixed-focus lens systems that present objects in focus between about 4 ft.
Unlike traditional auto-focus cameras, Astra's fixed-focus lens allows all objects from 6mm to 40mm to remain in sharp focus at all times.
The OptiML UFL technology consists of a custom fixed-focus lens module, a CMOS or CCD (charged-coupled device) image sensor, and a signal-processing unit.
The design includes an HD fixed-focus lens -- ideal for capturing impromptu HD video.