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  2. iPhone 14 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_14_Pro

    The iPhone 14 Pro and 14 Pro Max are available in four colors: Silver, Space Black, Gold and Deep Purple. Deep Purple replaced the Sierra Blue color used on the iPhone 13 Pro and iPhone 13 Pro Max. It is the final iPhone model in the exterior design to come with the stainless steel form factor along with the gold color option. [17]

  3. iPhone 13 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_13_Pro

    iPhone 13 Pro and iPhone 13 Pro Max originally shipped with iOS 15. They received the iOS 16 update, which was released on September 12, 2022, and iOS 17, which was released on September 18, 2023. [36] The Qi2 wireless charging standard has been added to the iPhone 13 Pro and iPhone 13 Pro Max with the update to iOS 17.2. [37]

  4. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    The effect on the natural night vision of the eye is evident A standard telescopic sight augmented with a night-vision device in front on the M110. Note that in addition to the image intensifier, the NVD gathers much more light by its much larger aperture A 1PN51-2 night-vision reticle with markings for range estimation First-person view ...

  5. iPhone 14 - Wikipedia

    en.wikipedia.org/wiki/IPhone_14

    Along with the 14 Pro and 14 Pro Max, the iPhone 14 and 14 Plus are the last iPhones to feature the Lightning port, as their successors, the iPhone 15 and 15 Plus (announced on September 12, 2023), use a USB-C port instead, per European Commission regulation. [16] [17] The iPhone 14 does not have a "Mini" version like its predecessor, the ...

  6. 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.

  7. Johnson's criteria - Wikipedia

    en.wikipedia.org/wiki/Johnson's_criteria

    The 1950s also marked a time of notable development in the performance modeling of night vision imaging systems. From 1957 to 1958, Johnson, a United States Army Night Vision & Electronic Sensors Directorate (NVESD) [ 2 ] scientist, was working to develop methods of predicting target detection, orientation, recognition, and identification.

  8. Adaptation (eye) - Wikipedia

    en.wikipedia.org/wiki/Adaptation_(eye)

    Night vision is of lower quality than day vision because it is limited in resolution and colors cannot be discerned; only shades of gray are seen. [1] In order for humans to transition from day to night vision they must undergo a dark adaptation period of up to two hours [ 2 ] in which each eye adjusts from a high to a low luminescence "setting ...

  9. Spectral sensitivity - Wikipedia

    en.wikipedia.org/wiki/Spectral_sensitivity

    It is known that the rod cells are more suited to scotopic vision and cone cells to photopic vision, and that they differ in their sensitivity to different wavelengths of light. [ 2 ] [ 3 ] It has been established that the maximum spectral sensitivity of the human eye under daylight conditions is at a wavelength of 555 nm , while at night the ...

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