Ricoh GXR

Ricoh GXR

Ricoh GXR: body with A12 macro lens and VF-2 viewfinder mounted, and S10 24-72 mm equivalent lens on the side
Overview
Maker Ricoh
Type Interchangeable lens/sensor
Lens
Lens mount Ricoh GXR lens/sensor
Sensor/Medium
Image sensor type Varies (CCD in S10; CMOS in P10, A12 and A16 modules)
Image sensor size Varies (1/2.3" in P10, 1/1.7" in S10, APS-C in A12 and A16)
Maximum resolution Varies (10MP in P10 and S10; 12MP in A12; 16MP in A16)
Recording medium SD/SDHC
Focusing
Focus Automatic
Shutter
Shutter leaf (A12, A16, P10, S10) or focal plane (GXR Mount)
Image Processing
Image processor Varies (GR ENGINE III or Smooth Imaging Engine IV)
General
Rear LCD monitor 3 inches (7.6 cm); 920,000 pixels
Battery Ricoh DB-90 3.6V
AV Port(s) HDMI, USB
Body composition or special features magnesium alloy
Dimensions 113.9 by 70.2 by 37.5 millimetres (4.5 in × 2.8 in × 1.5 in) (body only, excluding projections)
Weight 160 grams (6 oz) (body only, excluding battery, memory card, strap)
References
"GXR: Specifications". Ricoh Global. 2016. Retrieved 20 June 2016. 

The Ricoh GXR is a compact digital camera first announced by Ricoh Company, Ltd, Tokyo on November 10, 2009.[1] Unlike conventional cameras which either have a fixed lens and sensor or interchangeable lens and a fixed sensor, the GXR takes interchangeable units, each housing a lens, sensor and image processing engine. This allows each unit to have these features optimised to one another and a specific task, whereas with conventional interchangeable lens cameras, each different lens must use the same sensor and engine. The sealed units also prevent dust from reaching the sensor, which can be a problem with other cameras where the sensor is exposed whilst a lens is being changed. A significant disadvantage of this system is the extra cost involved in having to buy a whole new sensor with every new lens.

The body holds a built-in pop-up flash as well as a hot shoe on top for an external flash unit. Alternatively, Ricoh's 'VF-2', an external electronic viewfinder, can be attached to the hot shoe which, offers 920,000 pixels and 100% field of view.[2] The separate units slide onto the body via a stainless steel rail and lock into place. They can then be released by a lever on the camera's body. Both the body and lens unit use magnesium alloy exterior.[3] Each lens unit has its own unique specifications relating to its sensor and optics, meaning that different lens units will change the features, behavior and performance of the camera body to varying degrees when attached.

Units

Ricoh GXR: body, A12 macro lens, and P10 28-300 mm equivalent lens
Interchangeable Module Specifications[4][5]
  A12 28mm A12 50mm A16 24-85mm P10 S10 GXR Mount (Leica M)
Unit Name GR LENS A12 28mm F2.5 GR LENS A12 50mm F2.5 MACRO RICOH LENS A16 24-85mm F3.5-5.5 RICOH LENS P10 28-300mm F3.5-5.6 VC RICOH LENS S10 24-72mm F2.5-4.4 VC GXR MOUNT A12
Million Pixels (Effective/Total) 12.3/12.9 16.2/16.5 10.0/10.6 10.0/10.4 12.3/12.9
Image Sensor CMOS, APS-C
(23.6 mm × 15.7 mm (0.9 in × 0.6 in))		 CMOS, 1/2.3" CCD, 1/1.7" CMOS, APS-C
Focal Length (35mm equivalent) f=18.3mm (28mm) f=33mm (50mm) f=15.7~55.7mm (24~85mm) f=4.9~52.5mm (28~300mm) f=5.1~15.3mm (24~72mm)
4.0mm (19mm) with DW-6
28.8mm (135mm) with TC-1		 varies
Max. Aperture F:2.5 F:2.5 F:3.5 (wide)
F:5.5 (tele)		 F:3.5 (wide)
F:5.6 (tele)		 F:2.5 (wide)
F:4.4 (tele)		 varies
Min. Aperture F:22 F:22 F:22 F:7.0 (wide)
F:15.4 (tele)		 F:9.1 (wide)
F:15.8 (tele)		 varies
Min. Focusing Dist. 20 cm (0.7 ft) 7 cm (0.2 ft) 25 cm (0.8 ft) 1 cm (0.03 ft) (wide)
27 cm (0.9 ft) (tele)		 1 cm (0.03 ft) (wide)
4 cm (0.1 ft) (tele)		 varies
Lens Construction (Elements/Groups) 9E/6G (2 aspherical with 2 surfaces) 9E/8G (1 asph with 2 surfaces) 11E/9G (3 asph with 6 surfaces) 10E/7G (4 asph with 5 surfaces) 11E/7G (4 asph with 4 surfaces) varies
Filter Thread 40.5mm 40.5mm 55mm no 43mm
(with HA-3)		 varies
Imaging Engine GR ENGINE III Smooth Imaging Engine IV Smooth Imaging Engine IV?
Dimensions 68.7 mm × 57.9 mm × 50.4 mm (2.7 in × 2.3 in × 2.0 in) 68.7 mm × 57.9 mm × 71.3 mm (2.7 in × 2.3 in × 2.8 in) 71.4 mm × 70.5 mm × 93.3 mm (2.8 in × 2.8 in × 3.7 in) 68.7 mm × 57.9 mm × 44 mm (2.7 in × 2.3 in × 1.7 in) 68.7 mm × 57.9 mm × 38.6 mm (2.7 in × 2.3 in × 1.5 in) 79.1 mm × 60.9 mm × 40.5 mm (3.1 in × 2.4 in × 1.6 in)
(flange-back distance: 27.8 mm (1.1 in))
Weight 210 g (7.4 oz) 263 g (9.3 oz) 350 g (12.3 oz) 160 g (5.6 oz) 161 g (5.7 oz) 170 g (6.0 oz)

Camera units

RICOH LENS P10 28-300mm F3.5-5.6 VC[6]
GR LENS A12 50mm F2.5 MACRO
RICOH LENS S10 24-72mm F2.5-4.4 VC
GR LENS A12 28mm F2.5
GR LENS A16 24-85mm F3.5-5.5

Lens mount units

GR MOUNT A12

See also

References

  1. ↑ "Ricoh announces the GXR interchangeable unit camera system" (Press release). Ricoh Company, Ltd. 2009-11-10. Retrieved 2010-03-07. Tokyo, Japan, November 10, 2009—Ricoh Co., Ltd. (president and CEO: Shiro Kondo) today announced the development and release of the GXR interchangeable unit camera system
  2. ↑ "GXR: System diagram". Ricoh Imaging Company, Ltd. 2016. Retrieved 20 June 2016.
  3. ↑ "GXR: New System Features". Ricoh Imaging Company, Ltd. 2016. Retrieved 20 June 2016.
  4. ↑ "What is the difference between GXR A16 24-85mm, A12 28mm, and A12 50mm?". Ricoh Imaging Company, Ltd. 2016. Retrieved 20 June 2016.
  5. ↑ "What is the difference between GXR P10 28-300mm, S10 24-72mm, and A12 50mm?". Ricoh Imaging Company, Ltd. 2016. Retrieved 20 June 2016.
  6. ↑ "Ricoh Lens P10" (Press release). Ricoh Company, Ltd. Retrieved 2010-05-07.
Wikimedia Commons has media related to Ricoh GXR.
This article is issued from Wikipedia - version of the 6/21/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.