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  2. iPhone 11 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_11_Pro

    The iPhone 11 Pro and iPhone 11 Pro Max are smartphones designed, developed and marketed by Apple Inc. Serving as Apple's flagship models of the 13th generation of iPhones, they succeeded the iPhone XS and iPhone XS Max, respectively, upon their release. Apple CEO Tim Cook unveiled the devices alongside the standard model, the iPhone 11, on ...

  3. iPhone 11 - Wikipedia

    en.wikipedia.org/wiki/IPhone_11

    The iPhone 11 is a smartphone designed, developed, and marketed by Apple Inc. It is the thirteenth generation of iPhone, succeeding the iPhone XR, and was unveiled on September 10, 2019, alongside the higher-end iPhone 11 Pro at the Steve Jobs Theater in Apple Park, Cupertino, by Apple CEO Tim Cook. Preorders began on September 13, 2019, and ...

  4. Circle of confusion - Wikipedia

    en.wikipedia.org/wiki/Circle_of_confusion

    In optics, a circle of confusion (CoC) is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as disk of confusion, circle of indistinctness, blur circle, or blur spot . In photography, the circle of confusion is used to determine the depth of field, the part of ...

  5. Pelco - Wikipedia

    en.wikipedia.org/wiki/Pelco

    A CCTV camera housing made by Pelco. Pelco Incorporated is an American security and surveillance technologies company. Founded in 1957 and headquartered in Fresno, California, [4] Pelco is a wholly owned subsidiary of Motorola Solutions. The company's products include security cameras, recording and management systems, and video analytics software.

  6. Numerical aperture - Wikipedia

    en.wikipedia.org/wiki/Numerical_aperture

    The numerical aperture with respect to a point P depends on the half-angle, θ1, of the maximum cone of light that can enter or exit the lens and the ambient index of refraction. As a pencil of light goes through a flat plane of glass, its half-angle changes to θ2. Due to Snell's law, the numerical aperture remains the same: NA = n1 sin θ1 ...

  7. Optical transfer function - Wikipedia

    en.wikipedia.org/wiki/Optical_transfer_function

    The line-spread function is directly proportional to the vertical integration of the point-spread image. The optical-transfer function (OTF) is defined as the Fourier transform of the point-spread function and is thus generally a two-dimensional complex function. Typically only a one-dimensional slice is shown (c), corresponding to the Fourier ...

  8. Template talk : Pentax K-mount lens compatibility chart

    en.wikipedia.org/wiki/Template_talk:Pentax_K...

    A second chart with focus on functionality between mount version and lens feature could be useful. -- Angerdan ( talk ) 19:27, 22 February 2018 (UTC) [ reply ] Related sources [ edit ]

  9. Template:Pentax K-mount lens compatibility chart - Wikipedia

    en.wikipedia.org/wiki/Template:Pentax_K-mount...

    lens function compatibility. KAF2 digital SDM without aperture simulator and with ED-interface: K-70. After update of firmware: K-50, K-1, K-3, K-3II, K-S2, K-S1. 2 – K10D can be updated to change from Powerzoom-use to SDM-drive. On cameras with K AF /K AF2 -mount without aperture simulator during Av metering the aperture has to be adjusted ...

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