Overview | |
---|---|
Type | Digital rangefinder camera |
Lens | |
Lens | Leica M-mount |
Sensor/medium | |
Sensor | 23.7 x 15.6 mm, 1.53 × FOV crop |
Maximum resolution | 6.1 megapixels |
Film speed | 200-1600 |
Storage media | Secure Digital (SD) |
Focusing | |
Focus modes | Manual |
Flash | |
Flash | fixed hot shoe |
Shutter | |
Shutter speed range | 1 to 1/2000 s |
General | |
LCD screen | 2 inch |
Battery | Li-Ion EPALB1 Rechargeable |
Dimensions | 142 x 89 x 40 mm |
Weight | 560 g (body only, without battery) |
Made in | Japan |
The original R-D1, announced by Epson in March 2004 [1] and discontinued in 2007, was the first digital rangefinder camera. Subsequently, three modifications of the original R-D1 were produced - R-D1s, R-D1x, and R-D1xG.
R-D1 was jointly developed by Seiko Epson and Cosina and manufactured by the latter, which also builds the current Voigtländer cameras. It uses Leica M-mount lenses or earlier Leica screw mount lenses with an adapter.
An unusual feature to note on the R-D1 is that it is a digital camera that has a manually wound shutter with a rapid wind lever. The controls operate in the same way as film-based rangefinder cameras.
Data such as white balance, shutter speed, picture quality, and shots remaining are all displayed with servo driven indicators on a dial like a watch face (made by Epson's parent company Seiko). With the rear screen folded away, it is not obviously a digital camera.
R-D1 and all of the subsequent modifications of the camera have been using the same 1.5x crop factor sensor, interline-transfer CCD (Sony ICX413AQ). The same sensor as used in Pentax *ist D, Nikon D100. Sensor originally dates to 2002.
The successor of R-D1, the R-D1s was released in March 2006. The Epson R-D1s is mechanically identical to the R-D1, but with a firmware upgrade. It adds:
Users of R-D1 could upgrade their camera to have the same functions.
The successors of the R-D1s, the R-D1x and R-D1xG [2] [3] were made available from 9 April 2009 in Japan only. They feature very similar feature set except for few modifications:
On 17 March 2014, Epson announced that the R-D1x was discontinued.
A rangefinder camera is a camera fitted with a rangefinder, typically a split-image rangefinder: a range-finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that are in sharp focus. Most varieties of rangefinder show two images of the same subject, one of which moves when a calibrated wheel is turned; when the two images coincide and fuse into one, the distance can be read off the wheel. Older, non-coupled rangefinder cameras display the focusing distance and require the photographer to transfer the value to the lens focus ring; cameras without built-in rangefinders could have an external rangefinder fitted into the accessory shoe. Earlier cameras of this type had separate viewfinder and rangefinder windows; later the rangefinder was incorporated into the viewfinder. More modern designs have rangefinders coupled to the focusing mechanism so that the lens is focused correctly when the rangefinder images fuse; compare with the focusing screen in non-autofocus SLRs.
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Seiko Epson Corporation, commonly known as Epson, is a Japanese multinational electronics company and one of the world's largest manufacturers of printers and information- and imaging-related equipment. Headquartered in Suwa, Nagano, Japan, the company has numerous subsidiaries worldwide and manufactures inkjet, dot matrix, thermal and laser printers for consumer, business and industrial use, scanners, laptop and desktop computers, video projectors, watches, point of sale systems, robots and industrial automation equipment, semiconductor devices, crystal oscillators, sensing systems and other associated electronic components.
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