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Originally, many thước of varying lengths were in use in Vietnam, each used for different purposes. According to Hoàng Phê (1988), [1] the traditional system of units had at least two thước of different lengths before 1890, [2] the thước ta (lit. "our ruler") or thước mộc ("wooden ruler"), equal to 0.425 metres (1 ft 4.7 in), and the thước đo vải ("ruler for measuring ...
The 5 cm Pak 38 (L/60) (5 cm Panzerabwehrkanone 38 (L/60)) was a German anti-tank gun of 50 mm calibre.It was developed in 1938 by Rheinmetall-Borsig AG as a successor to the 3.7 cm Pak 36, and was in turn followed by the 7.5 cm Pak 40.
50mm F1.4, 17-40mm F4, 100mm F2.8 Macro, 24-70mm F2.8, 70-200mm F2.8. This article details lenses for single-lens reflex and digital single-lens reflex cameras (SLRs and DSLRs respectively). The emphasis is on modern lenses for 35 mm film SLRs and for "full-frame" DSLRs with sensor sizes less than or equal to 35 mm.
The Carl Zeiss Planar 50mm f /0.7 is one of the largest relative aperture lenses in the history of photography. [1] The lens was designed and made specifically for the NASA Apollo lunar program to capture the far side of the Moon in 1966. [2] [3] [better source needed] [4]
There were versions of the FED-5: the original FED-5 had an exposure meter, the FED-5B was a cheaper version without meter and the later FED-5C had reflected framelines showing field of view of 50mm lens and an exposure meter. All FED-5 cameras were delivered with an Industar I-61L/D lens. Production of FED rangefinder cameras ended in the mid ...
Her real name is Trần Thị Cẩm Ly and was born on 30 March 1970, in Saigon.Her hometown is in Qui Nhơn, Bình Định.She is the third child (her fan named her as Chi Tu according to Southern order in the family) of family with six siblings, her father is composer Tran Quan Hien, her two younger sisters are Hà Phương and Minh Tuyết who are also singers (apparently they're locating ...
They can be used on R series cameras with the same limitation and warning as 1 cam lenses and may also be fitted with later cams. [6] 3 cam. 3 cam lenses were introduced with R series cameras and have the earlier sloped cams and a third stepped "R-Cam" that communicates aperture information. They will work with all Leica SLR models since they ...
In 1968 Günter Frères developed the parent case, the rimmed 5.6×50mmR Magnum (designated 5,6 x 50 R Mag. by the C.I.P. According to the official C.I.P ruling, the rimless 5.6×50mm Magnum can handle up to 380.00 MPa (55,114 psi) P max piezo pressure, which is 40.00 MPa (5,802 psi) more than the rimmed parent case developed four years prior.