Ricoh K system

Discontinued

Ricoh XR-1

35mm MF film SLR camera

Announced:September 1977
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.9x91.3x48mm
Weight:550g

Ricoh XR-2

35mm MF film SLR camera

Announced:September 1977
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:8 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:139.9x91.3x48mm
Weight:560g

Ricoh XR500

35mm MF film SLR camera

Also known as:Ricoh KR-5
Announced:September 1978
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1/8 - 1/500 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.9x91.3x48mm
Weight:540g

Ricoh XR-1S

35mm MF film SLR camera

Announced:July 1979
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.9x91.3x48mm
Weight:550g

Ricoh XR-2S

35mm MF film SLR camera

Announced:July 1979
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:8 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:139.9x91.3x48mm
Weight:560g

Ricoh KR-10SE

35mm MF film SLR camera

Announced:1980
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:8 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:140x91x50mm
Weight:545g

Ricoh XR5

35mm MF film SLR camera

Also known as:Ricoh KR-5 Super
Ricoh CR-5
Announced:1980
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1/8 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.9x91.3x48mm
Weight:540g

Ricoh KR-10

35mm MF film SLR camera

Also known as:Ricoh XR-1000S
Ricoh CR-10
Announced:February 1980
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:8 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:140x91x50mm
Weight:545g

Ricoh XR6

35mm MF film SLR camera

Announced:February 1981
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:1 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x86x51mm
Weight:460g

Ricoh XR-S

35mm MF film SLR camera

Announced:July 1981
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:16 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x89x51mm
Weight:475g

Ricoh XR-2000

35mm MF film SLR camera

Also known as:Ricoh KR-10 Super
Announced:1982
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:16 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x86x51mm
Weight:460g

Ricoh XR7

35mm MF film SLR camera

Announced:February 1982
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:16 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x86x51mm
Weight:470g

Ricoh XR500 auto

35mm MF film SLR camera

Announced:September 1982
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:1 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x86x51mm
Weight:455g

Ricoh XR-F

35mm MF film SLR camera

Announced:1983
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Electronically controlled
Speeds:1 - 1/1000 + B
Exposure metering:Through-the-lens (TTL)
Exposure modes:Aperture-priority Auto
Manual
Dimensions:136x88x51mm
Weight:490g

Ricoh XR-8

35mm MF film SLR camera

Also known as:Ricoh KR-5 Super II
Announced:January 1993
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/2000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:133x85x50mm
Weight:410g

Ricoh XR-8 Super

35mm MF film SLR camera

Also known as:Ricoh KR-5 III
Announced:January 1994
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/2000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.5x88.5x59mm
Weight:435g

Ricoh XR Solar

35mm MF film SLR camera

Announced:April 1994
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/2000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:136x91x62mm
Weight:430g

Ricoh KR-5 SV

35mm MF film SLR camera

Announced:2000
Mount:Pentax K
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/2000 + B
Exposure metering:Through-the-lens (TTL)
Dimensions:139.3x88.4x56.2mm
Weight:420g

Ricoh's 35mm SLR system based on the original Pentax K mount. The most advanced cameras of the system feature an electronically controlled shutter and aperture-priority auto exposure mode, while conventional models have a mechanical shutter and offer fully manual exposure mode. In order to implement shutter priority and program auto exposure modes, Ricoh had to modify the original mount and release a separate line of cameras and Rikenon P lenses.

NOTE:

  • XR Rikenon prime lenses with focal lengths less than 28mm or more than 200mm were rebranded Sigma lenses,
  • cameras introduced for this system in the 1990s-2000s were engineered and manufactured by Cosina,
  • XR Rikenon prime lenses introduced in the 1990s were rebranded Cosina lenses,
  • we removed Rikenon zoom lenses from the database.

Camera lineup

Pentax K mount lens lineup

Lenses found: 30
Fisheye lenses
Ricoh XR Rikenon 16mm F/2.8 FisheyeRebranded lens 1982 
Ultra-wide angle prime lenses
Ricoh XR Rikenon 18mm F/2.8 ⌀67Rebranded lensPro 1982 
Wide-angle prime lenses
Ricoh XR Rikenon 24mm F/2.8 ⌀52Rebranded lens 1982 
Ricoh XR Rikenon 28mm F/3.5 ⌀52
Ricoh XR Rikenon 28mm F/3.5 Aspherical ⌀52Pancake lens 1996 
Ricoh XR Rikenon 28mm F/2.8 1977 
Ricoh XR Rikenon 28mm F/2.8 ⌀52 1981 
Ricoh XR Rikenon 28mm F/2.8 ⌀52 1984 
Ricoh XR Rikenon 28mm F/2.8 ⌀52 1986 
Ricoh XR Rikenon 28mm F/2.8 ⌀52 1992 
Ricoh XR Rikenon 35mm F/2.8 ⌀52 1977 
Ricoh XR Rikenon 35mm F/2.8 ⌀52 1981 
Standard prime lenses
Ricoh XR Rikenon 45mm F/2.8 ⌀52Pancake lens 1996 
Ricoh XR Rikenon 50mm F/2 L ⌀52
Ricoh XR Rikenon 50mm F/2 S ⌀52
Ricoh XR Rikenon 50mm F/2 ⌀52 1977 
Ricoh Rikenon 50mm F/2 ⌀52 1981 
Ricoh XR Rikenon 50mm F/1.7 ⌀52 1977 
Ricoh XR Rikenon 50mm F/1.7 ⌀52 1981 
Ricoh Rikenon 50mm F/1.7 ⌀52 1981 
Ricoh XR Rikenon 50mm F/1.4 ⌀52 1977 
Ricoh XR Rikenon 55mm F/2.2 ⌀52
Ricoh Riconar 55mm F/2.2 ⌀52 1978 
Ricoh XR Rikenon 55mm F/1.7 ⌀52
Ricoh XR Rikenon 55mm F/1.2 ⌀58Rebranded lens 1996 
Medium telephoto prime lenses
Ricoh XR Rikenon 135mm F/2.8 ⌀55 1978 
Ricoh XR Rikenon 200mm F/4 ⌀52 1978 
Ricoh XR Rikenon 200mm F/4 ⌀55 1981 
Super telephoto prime lenses
Ricoh XR Rikenon 300mm F/4.5 APO ⌀67Rebranded lensPro 1982 
Ricoh XR Rikenon Reflex 600mm F/8 ⌀86Rebranded lens 1982 

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