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  2. Half-frame camera - Wikipedia

    en.wikipedia.org/wiki/Half-frame_camera

    The 3:4 aspect ratio of half frame photos can easily be cropped to 4:5 in portrait orientation without a significant reduction in image quality producing an "Instagram ready" photo. This has been reinforced by Kodak's reintroduction of half frame cameras [9] through the Kodak Ektar branded H35 half frame camera.

  3. Ektar - Wikipedia

    en.wikipedia.org/wiki/Ektar

    Prior to its use on films, the Ektar name originally referred to Eastman Kodak's premium-priced lenses for professional use, which were introduced in 1936 and sold until the 1960s. In contrast to the branding from other lens-makers, Kodak emphasized that the name was a quality mark rather than referring to any particular optical formula.

  4. Kodak Signet - Wikipedia

    en.wikipedia.org/wiki/Kodak_Signet

    The Signet 80 was Kodak's second attempt at offering a US made full camera system, the first being the ill-fated Ektra system. The Signet 80 including the accessory 35mm and 90mm lenses, cost about 75% of the cost of a comparable top-of-the-line Kodak Retina III system.

  5. Ektachrome - Wikipedia

    en.wikipedia.org/wiki/Ektachrome

    A box of Ektachrome 64T in 120 format, late 90's European package, expired December 2001. Ektachrome is a brand name owned by Kodak for a range of transparency, still and motion picture films previously available in many formats, including 35 mm and sheet sizes to 11 × 14 inch size.

  6. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    Kodak (Disc) aspheric 12.5mm f/2.8 Kodak Ektar 25mm f/1.9. Typical lens elements have spherically curved surfaces. However, this causes off-axis light to be focused closer to the lens than axial rays (spherical aberration); especially severe in wide angle or wide aperture lenses. This can be prevented by using elements with convoluted aspheric ...

  7. Kodak Portra - Wikipedia

    en.wikipedia.org/wiki/Kodak_Portra

    Kodak announced in February 2011 that Portra 160 was to be similarly replaced by a single version like the 400 and incorporate the same upgrades as the new 400 speed version. [10] This has been available since mid-2011 in 135, 120, 220 and sheet format. The new film is easy to scan, according to reviews. [11]

  8. List of 70 mm films - Wikipedia

    en.wikipedia.org/wiki/List_of_70_mm_films

    Stereospace 2000 (a 3D process) and Kodak-Disney 3D used dual 65 mm cameras operating at 30fps. Standard 70 mm theater prints were 70 mm wide, with the extra space used to accommodate the 6-channel magnetic soundtracks, consisting of five full-range channels (left, left-center, center, right-center and right) arrayed behind the screen, with the ...

  9. Kodak Retina Reflex - Wikipedia

    en.wikipedia.org/wiki/Kodak_Retina_Reflex

    The Kodak Type 025 Retina Reflex is an SLR camera that uses convertible lenses (German: Wechselobjektiv), made by Kodak Stuttgart, Germany. It was made between Spring 1957 and October 1958. Like many 35 mm SLR cameras of West German heritage it is equipped with a leaf shutter instead of a focal plane shutter.