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Originally, produced by Minolta, and currently produced by Sony, the 50mm f / 1.4 is a normal wide-aperture prime photographic lens compatible with cameras using the Minolta AF and Sony α lens mounts.
It was used as a platoon mortar and operated by a 3-man team. Production was terminated in 1941. By 1942, it had been gradually withdrawn from front line service. However, it remained in use with second-line and garrison units until the end of the Second World War in 1945.
(example: AMF K p3/43 2-3 is Amf Karlsborg - Lot #003 - 1943 - 2nd of March). The new method is made up of the 1-letter arsenal or 3-digit contractor code, 2-digit manufacturing year, and 3-digit (or larger) lot number, followed by the day and month of manufacture. (example: 02762614 24/08 is Amf 27 (ÅB Norma), 1962, Lot #614, 24th of August).
Helios 44-2 lens mounted on a Praktica MTL 5B Helios 44M-4 lens, 58mm f/2, in M42 screw mount Helios 40-2 Helios 81M 53mm f/2 lens mounted on Kiev 19. Helios (Russian: Ге́лиос) was a type of camera lenses, made in the USSR.
Unit fractions can also be expressed using negative exponents, as in 2 −1, which represents 1/2, and 2 −2, which represents 1/(2 2) or 1/4. A dyadic fraction is a common fraction in which the denominator is a power of two, e.g. 1 / 8 = 1 / 2 3 . In Unicode, precomposed fraction characters are in the Number Forms block.
The Sigma 50mm f / 1.4 EX DG HSM is a normal prime lens made by the Sigma Corporation. The lens is produced in Canon EF mount , Four Thirds System , Nikon F-mount , Pentax K mount , Sigma's own SA mount , and the Sony/Minolta AF Mount varieties, all have the same optical formula.
1950s singer Buddy Holly helped popularise Wayfarers. Ray-Ban Wayfarer sunglasses and eyeglasses have been manufactured by Ray-Ban since 1952. Made popular in the 1950s and 1960s by music and film icons such as Buddy Holly, Roy Orbison and James Dean, Wayfarers almost became discontinued in the 1970s, before a major resurgence was created in the 1980s through massive product placements.
A Ruhrstahl X-4 at the NMUSAF.. The Ruhrstahl Ru 344 X-4 or Ruhrstahl-Kramer RK 344 [1] was a wire-guided air-to-air missile designed by Germany during World War II.The X-4 did not see operational service and thus was not proven in combat but inspired considerable post-war work around the world, and was the basis for the development of several ground-launched anti-tank missiles.