microprism


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microprism

(ˈmaɪkrəʊˌprɪzəm)
n
(Photography) photog a small prism incorporated in the focusing screen of many single-lens reflex cameras. The prism stops shimmering when the subject is in focus
Translations
References in periodicals archive ?
The microprism reflects the OCT beam perpendicular to the catheter's longitudinal direction and captures the light that is back scattered from that tissue (the reflected beam is referred to as an A-Line, figure 2a).
Tenders are invited for Sign 36" x 36" Diamond Shape with Vinyl Microprism Reflective Roll Up Warning Sign.
This is one good way of doing that because, due to its era, it doesn't even have the regular split microprism that most manual focus cameras like the Canon AE-1 or the Nikon FM has.
The safety flag vests are made entirely of highly visible fluorescent green or fluorescent orange fabric, with maximally bright microprism light-reflecting stripes around the waist, across the chest and over the shoulders all the way down to the back hem.
The standard screen usually consists of a rectangular ground glass with a microprism or split-image focusing aid in the center.
A tracer was inserted in the hole and its location was precisely recorded using a theodolite (Nikon C-100) and a microprism.
Its various optical designs include microprisms, directional lenticular ribs, and custom designs to achieve optimal performance.
A high number of patents relating to optical effects with microlenses or microprisms have been published in 2013 (45 documents).
In this regard, there have been numerous efforts to improve light efficiency of the BLU with different shapes of the microstructures of the LGP, such as etched dots (most widely used shape) (1), (6), micropyramids (2), microprisms (3), (4), continuous microlenses (5), convex microlens arrays (MLAs) (6), and so on.
This works by depositing microprisms of light-reflective, color crystal particles onto lashes for subtle yet striking color and luster," says Cheryl Vitali, executive vice president and general manager for the Revlon Global Brand Equity Group.