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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Another addition to the AF system is the new Digital Microprism that offers the same view during manual focus as that offered by an old-school film-based SLR camera.
Gombert, "Functional microprism substrate for organic solar cells," Thin Solid Films, vol.
The catheter has an optical fiber coupled to a lens and microprism. 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).
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.
Based on the reflection and refractive and light-scatting theory, the LGP with microprism structures was designed.
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. After this, a certain amount of fine earth, having a contrasting color with the study soil, was added in the hole, filling the hole over 7 cm.
The better of the two uses "corner cube" or "microprism" reflectors.
The ED patterns insets in Figure 3(a) show clear and regular diffraction spots, reveal the single crystalline nature of the microprism, and can be indexed as the pure hexagonal structure.