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The T-mount is a standard lens mount for cameras and other optical assemblies. The usual T-mount is a screw mount using a male 42×0.75 (42 mm diameter, 0.75 mm thread pitch) metric thread on the lens with a flange focal distance of 55 mm and a mating female 42mm thread on a camera adapter or other optical component.
The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately known as the M42 × 1 mm standard, which means that it is a metric screw thread of 42 mm diameter and 1 mm thread pitch.
To increase powder capacity, the shoulder is located higher than the 6.8, and the case is longer. The neck is sized for .224 caliber bullets. 224 Valkyrie : Uses 6.8 SPC cases, trimmed shorter, and the shoulder re-formed at a lower location due to being designed for using relatively long "high BC" (Ballistic Coefficient) bullets. The neck is ...
Aggregate of articles for large-calibre cartridges, which are greater than .78 calibre or 20 millimetres. ... 20×42mm; 20×110mm USN; 20×138mmB; M-940 20mm MPT-SD ...
Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is between 1 meter to 1 millimeter.. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.
20 meters – length of a Leedsichthys, the largest-known fish to have lived; 21 meters – height of High Force waterfall in England; 30.5 meters – length of the lion's mane jellyfish, the largest jellyfish in the world; 33 meters – length of a blue whale, [127] the largest animal on earth, living or extinct, in terms of mass
Arosa Lenzerheide is located in northern and central Grisons. It extends from the innermost Schanfigg via Urdental to the neighboring western valley with Lenzerheide, Parpan–Valbella and Churwalden. The ski area covers an altitudinal range of 1,230 to 2,865 m (4,035 to 9,400 ft).
Although not originally designed for handguns, several rifle and shotgun cartridges have also been chambered in a number of large handguns, primarily in revolvers like the Phelps Heritage revolver, Century Arms revolver, Thompson/Centre Contender break-open pistol, Magnum Research BFR, and the Pfeifer Zeliska revolvers.