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The Leica M5 is a 35 mm camera by Leica Camera AG, introduced in 1971. It was the first Leica rangefinder camera to feature through-the-lens ( TTL ) metering and the last to be made entirely in Wetzlar by hand using the traditional "adjust and fit" method.
The Leica R bayonet mount is a camera ... relied on battery power only for the built-in light meter. Leica R7: 1991–1996 Manual ... The distance is only 0.5 mm ...
Manual exposure is also available. The shutter is electronically controlled, but speeds of 1/60 and 1/125 of a second are mechanically governed if the battery fails. Unlike the M6 TTL whose "off" position only disables the meter, the M7 features a switch on the shutter release, which prevents both metering and the shutter from firing.
Leica later used a variation of this system, as did Pentax with their Integrated Direct Metering (IDM) in the LX camera. A variation of this "OTF" system was used on early Olympus E-Series digital cameras to fine-tune the exposure just before the first curtain was released; for this to work, the first curtain was coated in a neutral grey colour.
A long-range laser rangefinder is capable of measuring distance up to 20 km; mounted on a tripod with an angular mount. The resulting system also provides azimuth and elevation measurements. A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object.
American soldiers using a coincidence rangefinder with its distinctive single eyepiece during army maneuvers in the 1940s. A coincidence rangefinder or coincidence telemeter is a type of rangefinder that uses the principle of triangulation and an optical device to allow an operator to determine the distance to a visible object.
The Leica M6 is a rangefinder camera manufactured by Leica from 1984 to 1998, followed by the M6 "TTL" manufactured from 1998 to 2002. [1] In 2022, Leica introduced a new version of the M6, based on the technology of the Leica MP, but staying true to the design of the M6.
Leica R4, R5, R6, R7 were 35 mm SLR cameras manufactured by Leica between 1980 and 1997 and belonged to the manual focusing R-System, which was offered from 1965 to 2009. Following the success of the Leica R3 the company, in continuing cooperation with Minolta , produced the R4–R7 series all based on the same chassis.