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  2. List of iPhone models - Wikipedia

    en.wikipedia.org/wiki/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 music player ...

  3. iPhone SE (2nd generation) - Wikipedia

    en.wikipedia.org/wiki/IPhone_SE_(2nd_generation)

    Back of second iPhone SE in Product Red. The iPhone SE features an aluminum frame, paired with a glass front and back. It shares the same physical sizes and dimensions as the iPhone 8 and is externally identical, except for a centered Apple logo and the removal of the iPhone branding in the lower midsection. As a result, phone cases made to fit ...

  4. Signal-to-noise ratio (imaging) - Wikipedia

    en.wikipedia.org/wiki/Signal-to-noise_ratio...

    The sensitivity of a (digital or film) imaging system is typically described in the terms of the signal level that yields a threshold level of SNR. Industry standards define sensitivity in terms of the ISO film speed equivalent, using SNR thresholds (at average scene luminance) of 40:1 for "excellent" image quality and 10:1 for "acceptable ...

  5. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    In considering the effect of sensor size, and its effect on the final image, the different magnification required to obtain the same size image for viewing must be accounted for, resulting in an additional scale factor of / where is the relative crop factor, making the overall scale factor / (). Considering the three cases above:

  6. Field of view - Wikipedia

    en.wikipedia.org/wiki/Field_of_view

    Field of view is the area of the inspection captured on the camera’s imager. The size of the field of view and the size of the camera’s imager directly affect the image resolution (one determining factor in accuracy). Working distance is the distance between the back of the lens and the target object.

  7. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    A specific type of NVD, the night vision goggle (NVG) is a night vision device with dual eyepieces. The device can utilize either one intensifier tube with the same image sent to both eyes, or a separate image intensifier tube for each eye. Night vision goggles combined with magnification lenses constitutes night vision binoculars.

  8. iPhone hardware - Wikipedia

    en.wikipedia.org/wiki/IPhone_hardware

    The top and side of an iPhone 5S, externally identical to the SE (2016).From left to right, sides: wake/sleep button, silence switch, volume up, and volume down. The touchscreen on the iPhone has increased in size several times over the years, from 3.5 inches on the original iPhone to iPhone 4S, to the current 6.1 and 6.7 inches on the iPhone 14 and 14 Pro series. [1]

  9. Image intensifier - Wikipedia

    en.wikipedia.org/wiki/Image_intensifier

    An image intensifier or image intensifier tube is a vacuum tube device for increasing the intensity of available light in an optical system to allow use under low-light conditions, such as at night, to facilitate visual imaging of low-light processes, such as fluorescence of materials in X-rays or gamma rays (X-ray image intensifier), or for conversion of non-visible light sources, such as ...