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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. [3]

  4. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  5. Kodak Ektra - Wikipedia

    en.wikipedia.org/wiki/Kodak_Ektra

    The Kodak Ektra was an 35mm rangefinder camera produced by the Eastman Kodak Company from 1941 to 1948. The Kodak Ektra was a 35mm coupled rangefinder camera launched by Kodak USA in 1941. Originally regarded as one of the most innovative cameras of its type when first released, the Ektra featured the ability to cover both the highpoint and ...

  6. Kodak Ektra (phone) - Wikipedia

    en.wikipedia.org/wiki/Kodak_Ektra_(phone)

    The Kodak Ektra was a smartphone built and sold by the Bullitt Group using a design that referenced the 1941 Kodak Ektra camera. The phone was not built by Eastman Kodak. It was announced in 2016, [1] was released to the public in 2017 with mixed reviews. [2] [3] Support for the camera ended 30 April 2020. [4]

  7. Flash (photography) - Wikipedia

    en.wikipedia.org/wiki/Flash_(photography)

    The large photographic company Kodak was initially reluctant to take up the idea. [15] Electronic flash, often called "strobe" in the US following Edgerton's use of the technique for stroboscopy , came into some use in the late 1950s, although flashbulbs remained dominant in amateur photography until the mid 1970s.

  8. 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.

  9. LED-backlit LCD - Wikipedia

    en.wikipedia.org/wiki/LED-backlit_LCD

    Edge-LED lighting for LCDs allows thinner housing; the Sony BRAVIA KLV-40ZX1M is 1 cm thick, and others are also extremely thin. [citation needed] LED-backlit LCDs have longer life and better energy efficiency than plasma and CCFL LCD TVs. [35] Unlike CCFL backlights, LEDs do not use mercury in their manufacture, which is an environmental ...