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The Dual Range Summicron f/2 lens came with an auxiliary fitting similar to that of the 35mm "specs" attachment with a lens & prism to fit over the view and focus windows. It was used when the camera to subject distance was from the near range minimum of about 18 inches (0.45 meters) to the maximum of 36 inches (0.9 meters).
Camera lenses use a wide variety of designs because of the need to balance and trade off different requirements: angle of view (i.e. focal length in relation to the film or sensor size), maximum aperture, resolution, distortion, color correction, back focal distance, and cost. Celor lens; Chevalier lens; Cooke Triplet; Double-Gauss lens ...
Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.
The AR effects are officially referred to as Lenses and feature dual 3D waveguide display with a 26.3-degree diagonal field of view. [24] [25] It runs on the Qualcomm Snapdragon XR1 chip and has 2 RGB cameras, 4 microphones, and 2 stereo speakers. [26] Snap claimed to have more than 250,000 Lens creators who created 2.5 million Lenses ...
Zoom lenses - variable focal length lenses. Zoom lenses cover a range of focal lengths by utilising movable elements within the barrel of the lens assembly. In early varifocal lens lenses, the focus also shifted as the lens focal length was changed. Varifocal lenses are also used in many modern autofocus cameras as the lenses are cheaper and ...
The HD cameras built into the glasses can take photos and record videos for up to three minutes. These photos and videos can then be automatically imported to the Meta View app on users ...
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