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Contents

   



(Top)
 


1 Technology  





2 See also  





3 References  





4 External links  














Minolta RD-175






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From Wikipedia, the free encyclopedia
 


Minolta RD-175
Image of the Minolta RD-175
Overview
TypeDigital SLR camera
Lens
Lens mountA-mount
Focusing
FocusAutomatic

The Minolta RD-175 was an early digital SLR, introduced in 1995. Minolta combined an existing SLR with a three way splitter and three separate CCD image sensors, giving 1.2 megapixels (MP) of resolution.[1][page needed] The base of the DSLR was the Minolta Maxxum 500si Super (the Dynax 500si Super in Europe and as Alpha 303si Super in Asia). Agfa produced a version of the RD-175 retailed as the Agfa ActionCam.

The RD-175 was also notable as the first consumer digital camera to be used in a professional stop motion production, being used to create the full-motion claymation adventure video game The Neverhood.[2]

Technology

[edit]

Since state of the art CCD resolution at the time was sufficient for Minolta, the light entering the central 12 mm × 16 mm area of the RD-175's focal plane was compressed by 0.56x relay optics behind the focal plane, similar to the optical reduction system used in the Nikon E series. The light bundled on the smaller sensor area increased the effective sensitivity (ISO) by 2+23 stops. Then the light was split and sent to three separate 4.8 × 6.4 mm sized 1200 × 800 pixel (3 × 0.3 MP) image sensors, two used for green and one for the red and blue color, reducing the sensitivity increase to about 2 stops. The only usable ISO was 800.[1][page needed]

The three images were combined digitally and interpolated to the final size of 12 MP (4243× 2828 pixels). Images were stored on an internal 128MB PCMCIA hard drive. The camera used Minolta AF A-mount lenses with a crop factor of 2.

See also

[edit]

References

[edit]
  1. ^ a b Minolta RD-175 Manual.
  • ^ Schofield, Edward (3 May 2013). "Pencil Test Studios". Facebook. Retrieved 2023-03-28. On The Neverhood, we used beta versions of the Minolta RD-175, one of the first digital SLR cameras. For you trivia buffs, The Neverhood was the first professional stop motion production to use consumer digital SLR's--something that is common for most productions today. --Ed
  • [edit]


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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Minolta_RD-175&oldid=1222857049"

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    This page was last edited on 8 May 2024, at 10:01 (UTC).

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