Epson R-D1

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Epson R-D1
Epson R-D1s IMG 2942.jpg
Type Digital rangefinder camera
Sensor 23.7 x 15.6mm, 1.53 × FOV crop
Maximum resolution 6.1 megapixels
Lens Leica M mount
Flash fixed hot shoe
Shutter speed range 1 to 1/2000 s
Focus modes Manual
ASA/ISO range 200-1600
Rear LCD monitor 2 inch
Storage Secure Digital (SD)
Battery Li-Ion EPALB1 Rechargeable
Dimensions 142 x 89 x 40 mm
Weight 560 g (body only, without battery)
Made in Japan

The R-D1, announced by Epson in March 2004[1] and discontinued in 2007, was the first digital rangefinder camera. It also was the first digital mirrorless interchangeable-lens camera (MILC) camera


R-D1 is jointly developed by Seiko Epson and Cosina and manufactured by the latter, which also builds the current Voigtländer and Zeiss Ikon (ZM) cameras. It uses Leica M-mount lenses or earlier Leica screw mount lenses with an adapter.

An unusual feature to note on the RD-1 is that it is a digital camera that has a mechanical shutter, despite not being a DSLR. 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.


The successor of R-D1, the R-D1s was released in March 2006. R-D1s is mechanically identical with the R-D1 but with a firmware upgrade. It adds:

  • JPEG+RAW mode
  • Quick view function
  • Adobe RGB mode
  • Noise reduction for long exposures

Users of R-D1 may upgrade their camera to have the same functions.


The successors of R-D1s, the R-D1x and R-D1xG[2][3] were made available from April 9th 2009 in Japan only. They feature very similar feature set except for few modifications:

  • Larger 2.5" LCD display (vs 2" in the previous model) but with the same resolution - 235K
  • LCD is no longer articulated and cannot be closed
  • Support of SDHC memory cards which increased max capacity to 32GB (vs 2G for previous models)
  • Improvements in accessibility of rangefinder adjustment
  • R-D1xG model also includes removable grip

On 17 March 2014, Epson announced that R-D1x is discontinued.


  1. ^ Epson Launches the World's First Rangefinder Digital Camera, TOKYO, Japan, March 11
  2. ^ R-D1x on the Epson website
  3. ^ "R-D1xG page on Epson web site". Retrieved 2010-09-19. 

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