Ricoh K (P) system

Discontinued

Ricoh XR-P

35mm MF film SLR camera

Announced: Jul 1984
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 16 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 136x88x51mm
Weight: 505g

Ricoh XR-20SP

35mm MF film SLR camera

Also known as: Ricoh KR-30SP
Announced: Oct 1985
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 16 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 137x89x51mm
Weight: 490g

Ricoh XR-X

35mm MF film SLR camera

Also known as: Ricoh XR-M
Announced: Nov 1987
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 30 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 142x91x51mm
Weight: 495g

Ricoh XR-7M

35mm MF film SLR camera

Announced: 1989
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

Ricoh XR-10M

35mm MF film SLR camera

Also known as: Ricoh XR-X2000
Ricoh KR-10M
Announced: Jun 1990
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 151x91x51mm
Weight: 510g

Ricoh XR-7M II

35mm MF film SLR camera

Announced: Oct 1993
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 8 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 138.5x88x58mm
Weight: 370g

Ricoh XR-X3000

35mm MF film SLR camera

Announced: 1994
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 151x94.5x62mm
Weight: 480g

Ricoh XR-10P

35mm MF film SLR camera

Also known as: Ricoh XR-X 3P
Announced: Mar 1995
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 151x97.5x62mm
Weight: 500g

Ricoh XR-10PF

35mm MF film SLR camera

Also known as: Ricoh XR-X 3PF
Announced: Mar 1995
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/3000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 151x107.5x62mm
Weight: 550g

Ricoh XR-P

35mm MF film SLR camera

Announced: Jul 1984
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 16 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 136x88x51mm
Weight: 505g

Ricoh XR-20SP

35mm MF film SLR camera

Also known as: Ricoh KR-30SP
Announced: Oct 1985
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 16 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 137x89x51mm
Weight: 490g

Ricoh XR-X

35mm MF film SLR camera

Also known as: Ricoh XR-M
Announced: Nov 1987
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 30 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 142x91x51mm
Weight: 495g

Ricoh XR-7M

35mm MF film SLR camera

Announced: 1989
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

Ricoh XR-10M

35mm MF film SLR camera

Also known as: Ricoh XR-X2000
Ricoh KR-10M
Announced: Jun 1990
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 151x91x51mm
Weight: 510g

Ricoh XR-7M II

35mm MF film SLR camera

Announced: Oct 1993
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 8 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 138.5x88x58mm
Weight: 370g

Ricoh XR-X3000

35mm MF film SLR camera

Announced: 1994
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Aperture-priority Auto
Manual
Dimensions: 151x94.5x62mm
Weight: 480g

Ricoh XR-10P

35mm MF film SLR camera

Also known as: Ricoh XR-X 3P
Announced: Mar 1995
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/2000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 151x97.5x62mm
Weight: 500g

Ricoh XR-10PF

35mm MF film SLR camera

Also known as: Ricoh XR-X 3PF
Announced: Mar 1995
Mount: Pentax K
Format: 36 × 24mm
Shutter type: Focal-plane
Shutter model: Electronically controlled
Speeds: 32 - 1/3000 + B
Exposure metering: Through-the-lens (TTL)
Exposure modes: Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Dimensions: 151x107.5x62mm
Weight: 550g

Ricoh's 35mm SLR system based on modified Pentax K mount with support of shutter-priority and program auto exposure modes. The only difference from the original mount is the addition of a small pin to signal that the aperture ring is set to the "P" position (automatic diaphragm control). However, mechanical compatibility was lost due to this additional pin: when a "P" lens is mounted on a Pentax camera, the pin enters the screw drive autofocus shaft and the lens becomes jammed on the camera.

Camera lineup

Adaptation to digital SLR cameras

For information on adapting lenses of this system to digital SLR cameras, please refer to the dedicated article.

Pentax K mount lens lineup

Lenses found: 33
Wide-angle prime lenses
Ricoh Rikenon P 28mm F/2.8
Ricoh Rikenon P 28mm F/2.8 Macro 1991 
Ricoh Rikenon P 28mm F/2.8 1997 
Ricoh Rikenon P 35mm F/2.8 1984 
Standard prime lenses
Ricoh Rikenon P 50mm F/2 1985 
Ricoh Rikenon P 50mm F/1.7 1985 
Ricoh Rikenon P 50mm F/1.4 1985 
Macro lenses
Ricoh Rikenon P 105mm F/2.8 Macro1:1Pro 1985 
Wide-angle zoom lenses
Ricoh Rikenon P 24-40mm F/2.8 1987 
Standard zoom lenses
Ricoh Rikenon P 28-70mm F/3.5-5.6 Macro
Ricoh Rikenon P 28-70mm F/3.5-4.8
Ricoh Rikenon P 28-70mm F/3.5-4.5 Macro
Ricoh Rikenon P 28-70mm F/2.8-4 1992 
Ricoh Rikenon P 28-80mm F/3.5-5.6 Macro
Ricoh Rikenon P 28-100mm F/4 Macro 1983 
Ricoh Rikenon P 28-105mm F/3.5-4.8 Macro 1991 
Ricoh Rikenon P 28-105mm F/3.5-4.5 Macro 1992 
Ricoh Rikenon P 28-110mm F/2.8-3.8
Ricoh Rikenon P 28-135mm F/4-5.4 Macro 1987 
Ricoh Rikenon P 35-70mm F/3.5-5.6 Macro
Ricoh Rikenon P 35-70mm F/3.4-4.5 Macro 1985 
Ricoh Rikenon P 35-135mm F/3.5-4.5 Macro 1988 
Telephoto zoom lenses
Ricoh Rikenon P 60-300mm F/4-5.6 Macro 1991 
Ricoh Rikenon P 70-210mm F/4.5-5.6 Macro
Ricoh Rikenon P 70-210mm F/4.5-5.6 Macro
Ricoh Rikenon P 70-210mm F/3.9 Macro
Ricoh Rikenon P 70-210mm F/3.9 1985 
Ricoh Rikenon P 70-210mm F/3.9 1987 
Ricoh Rikenon P 70-210mm F/3.9 Macro 1996 
Ricoh Rikenon P 70-300mm F/4.5-5.8 Macro
Ricoh Rikenon P 70-300mm F/4.5-5.8 1988 
Superzoom lenses
Ricoh Rikenon P 28-210mm F/3.5-5.6 Macro
Ricoh Rikenon P 35-200mm F/4-5.6 Macro

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