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  2. PRISM model checker - Wikipedia

    en.wikipedia.org/wiki/PRISM_model_checker

    PRISM is a probabilistic model checker, a formal verification software tool for the modelling and analysis of systems that exhibit probabilistic behaviour. [1] One source of such systems is the use of randomization, for example in communication protocols like Bluetooth and FireWire, or in security protocols such as Crowds and Onion routing.

  3. Maddox rod - Wikipedia

    en.wikipedia.org/wiki/Maddox_rod

    The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...

  4. B4-mount - Wikipedia

    en.wikipedia.org/wiki/B4-mount

    The B4 mount defines the sensor to have a diagonal size of 11 mm (a so-called 2/3" size sensor). The B4-mount is used by practically all 2/3" broadcast lenses and cameras (as of 2019). Although the standard was set in 1992, the B4 mount already existed before 1980. The Sony BVP-300, produced from 1978, was possibly the first camera with a B4 mount.

  5. Macro Express - Wikipedia

    en.wikipedia.org/wiki/Macro_Express

    Macro Express is a Windows -based application that allows automation of routine functions, such as filling out web forms, opening programs, and performing mouse clicks, by means of a simple, specialized programming language with support for variables, if-then-else logic, loops and other functions. Features include recording of the user's ...

  6. Aspheric lens - Wikipedia

    en.wikipedia.org/wiki/Aspheric_lens

    An aspheric biconvex lens. An aspheric lens or asphere (often labeled ASPH on eye pieces) is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens . The asphere's more complex surface profile can reduce or eliminate spherical ...

  7. Canon EF 35mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_35mm_lens

    The EF 35mm f/2 is a prosumer level lens. It is constructed with a plastic body and a metal mount. This lens features a distance window with infrared index. The maximum aperture of f/ 2 gives this lens the ability to create depth of field effects, but not to the same shallowness of the EF 35mm f/ 1.4L USM, while its five-blade diaphragm may ...

  8. Canon EF 70–210mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_70–210mm_lens

    The lens has an EF mount and works with EOS film and digital cameras. The lens comes in two different versions: Canon EF 70–210mm f/4 AFD (1987–1990) Canon EF 70–210mm f/3.5–4.5 USM (introduced 1990) The variable-aperture USM model utilizes a rotating ring instead of a push-pull system for adjusting zoom. The lens was superseded by the ...

  9. Sigma 18–50mm f/2.8 EX DC Macro lens - Wikipedia

    en.wikipedia.org/wiki/Sigma_18–50mm_f/2.8_EX_DC...

    The Sigma 18-50mm f/2.8 EX DC Macro is a wide to normal angle, zoom lens made by the Sigma Corporation . The lens is produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula. The lens is designed for digital crop DSLR with an APS-C ...