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  2. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. [4][5]: 145 Fisheye lenses achieve extremely wide angles of view, well beyond any rectilinear lens. Instead of producing images with straight lines of perspective (rectilinear images), fisheye lenses use ...

  3. iPhone 13 - Wikipedia

    en.wikipedia.org/wiki/IPhone_13

    The iPhone 13 features a 6.1-inch (155 mm) display with Super Retina XDR OLED technology at a resolution of 2532×1170 pixels and a pixel density of about 460 PPI with a refresh rate of 60 Hz. The iPhone 13 Mini features a 5.4-inch (137 mm) display with the same technology at a resolution of 2340×1080 pixels and a pixel density of about 476 PPI.

  4. iPhone 13 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_13_Pro

    The iPhone 13 Pro has a 6.06 inch (154 mm) (marketed as 6.1-inch (15 cm)) OLED display with a resolution of 2532 × 1170 pixels (2.9 megapixels) at 460 PPI, while the iPhone 13 Pro Max has a 6.68 inch (170 mm) (marketed as 6.7-inch (17 cm)) OLED display with a resolution of 2778 × 1284 pixels (3.5 megapixels) at 458 PPI. Both models have the ...

  5. Rectilinear lens - Wikipedia

    en.wikipedia.org/wiki/Rectilinear_lens

    In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the edges of walls of buildings, appear with straight lines, as opposed to being curved. In other words, it is a lens with little or no barrel or pincushion distortion. At particularly wide angles, however, the rectilinear perspective ...

  6. Distortion (optics) - Wikipedia

    en.wikipedia.org/wiki/Distortion_(optics)

    In geometric optics, distortion is a deviation from rectilinear projection; a projection in which straight lines in a scene remain straight in an image.It is a form of optical aberration that may be distinguished from other aberrations such as spherical aberration, coma, chromatic aberration, field curvature, and astigmatism in a sense that these impact the image sharpness without changing an ...

  7. Macro photography - Wikipedia

    en.wikipedia.org/wiki/Macro_photography

    Macro photography. Macro photograph of a common yellow dung fly (Scathophaga stercoraria) made using a lens at its maximum 1:1 reproduction ratio, and an 18×24mm image sensor, the on-screen display of the photograph results in a greater than life-size image. Headshot of a dragonfly taken with a 100 mm macro lens coupled with a 50 mm lens in ...

  8. Face ID - Wikipedia

    en.wikipedia.org/wiki/Face_ID

    Face ID is a biometric authentication facial recognition system designed and developed by Apple Inc. for the iPhone and iPad Pro.The system can be used for unlocking a device, [1] making payments, accessing sensitive data, providing detailed facial expression tracking for Animoji, as well as six degrees of freedom (6DOF) head-tracking, eye-tracking, and other features.

  9. List of iPhone models - Wikipedia

    en.wikipedia.org/wiki/List_of_iPhone_models

    List of iPhone models. Left image: The backs of an iPhone 6, an iPhone 7, an iPhone 8, and an iPhone SE (3rd generation). Right image: The backs of an iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15 Plus, and iPhone 15. The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and ...