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  2. Petzval lens - Wikipedia

    en.wikipedia.org/wiki/Petzval_lens

    Petzval portrait lens. The Petzval objective, or Petzval lens, is the first photographic portrait objective lens (with a 160 mm focal length) in the history of photography. [1] It was developed by the Slovak mathematics professor Joseph Petzval in 1840 in Vienna, [2] with technical advice provided by Peter Wilhelm Friedrich von Voigtländer [ de].

  3. List of cameras on the International Space Station - Wikipedia

    en.wikipedia.org/wiki/List_of_cameras_on_the...

    Camera equipment Some of the modular lenses that are known to be used on the ISS include several Nikon F and 15 Nikon Z lenses, for cameras such as the D4 and Z9. [21] [13] This includes the Nikon 24-70mm f/2.8E ED VR, the Nikkor 600mm f/4G AF-S VR ED, [22] the Nikon 800mm f/5.6E FL ED VR, and the Nikon AF-S FX TC-14E III 1.4x Teleconverter .

  4. History of the single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/History_of_the_single-lens...

    The history of the single-lens reflex camera (SLR) begins with the use of a reflex mirror in a camera obscura described in 1676, but it took a long time for the design to succeed for photographic cameras. The first patent was granted in 1861, and the first cameras were produced in 1884, but while elegantly simple in concept, they were very ...

  5. Shoppers love this $7 eyeglass cleaning kit to get lenses ...

    www.aol.com/lifestyle/shoppers-love-this-7...

    Koala Eyeglass Lens Cleaner Spray Kit. $8 $9 Save $1. Have streak-free glasses for years to come with this mega-popular mega-kit. Includes one bottle of gentle, effective cleaner and a microfiber ...

  6. Reports of Streptococcus mitis on the Moon - Wikipedia

    en.wikipedia.org/wiki/Reports_of_Streptococcus...

    Streptococcus mitis. on the Moon. As part of the Apollo 12 mission in November 1969, the camera from the Surveyor 3 probe was brought back from the Moon to Earth. On analyzing the camera, it was found that the common bacterium Streptococcus mitis was alive on the camera. NASA reasoned that the camera was not sterilized on Earth before the space ...

  7. FED (camera) - Wikipedia

    en.wikipedia.org/wiki/FED_(camera)

    FED 2 with the Jupiter 8 Lens. FED 3 with Industar 61 lens. FED 4 with Industar 61 lens. FED 4 showing the location of manufacture. FED 4 (possibly early model, revision A) with the golden scroll print, showing its M39 mount. The FED is a Soviet rangefinder camera, mass-produced from 1934 until around 1996, and also the name of the factory that ...

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