Ricoh GR Digital
Encyclopedia
The Ricoh
Ricoh
or Ricoh, is a Japanese company that was established in 1936 on February 6th, as , a company in the RIKEN zaibatsu. Its headquarters is located in Ricoh Building in Chūō, Tokyo....

 GR Digital is a compact digital camera
Digital camera
A digital camera is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor. It is the main device used in the field of digital photography...

. Its distinguishing feature is its fixed focal length lens (non-zoom
Zoom lens
A zoom lens is a mechanical assembly of lens elements for which the focal length can be varied, as opposed to a fixed focal length lens...

). First announced at Photokina
Photokina
The photokina is the world's largest trade fair for the photographic and imaging industries. The first photokina was held in Cologne, Germany, in 1950, and it is now held biannually in September at the koelnmesse Trade Fair and Exhibition Centre...

 2004, it went on sale in Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 on 21 October 2005 at the price of ¥
¥
¥ is a currency sign used by the Japanese yen and the Chinese yuan currencies. The symbol resembles a Latin letter Y with a double stroke. The base unit of both currencies shared the same Chinese character pronounced yuán in Mandarin Chinese and en in Standard Japanese...

80,000. The GR Digital is Ricoh's digital successor to their popular 35 mm
135 film
The term 135 was introduced by Kodak in 1934 as a designation for cartridge film wide, specifically for still photography. It quickly grew in popularity, surpassing 120 film by the late 1960s to become the most popular photographic film format...

 GR series film cameras. The Ricoh GR Digital was succeeded by the Ricoh GR Digital II
Ricoh GR Digital II
The Ricoh GR Digital II is a compact digital camera, and the successor of the Ricoh GR Digital. The GR Digital II first went on sale in Japan at the end of November 2007...

.

Features

  • 28 mm (expressed as 35 mm equivalent) f2.4 GR lens
  • 8-megapixel CCD
    Charge-coupled device
    A charge-coupled device is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value. This is achieved by "shifting" the signals between stages within the device one at a time...

  • Full manual controls: (front aperture dial, rear shutter speed dial)
  • Compact, magnesium
    Magnesium
    Magnesium is a chemical element with the symbol Mg, atomic number 12, and common oxidation number +2. It is an alkaline earth metal and the eighth most abundant element in the Earth's crust and ninth in the known universe as a whole...

     body
  • Hotshoe for accessories

Criticisms

  • Noise: its small CCD leads to increased noise
  • Slow processing rate: (up to 12s (8s with updated firmware) seconds between RAW
    RAW image format
    A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor...

     shots)
  • Price
  • No built-in optical viewfinder
    Viewfinder
    In photography, a viewfinder is what the photographer looks through to compose, and in many cases to focus, the picture. Most viewfinders are separate, and suffer parallax, while the single-lens reflex camera lets the viewfinder use the main optical system. Viewfinders are used in many cameras of...

    : (an external optical viewfinder is sold as an accessory)

Specifications

Imaging device
1/1.8″ primary colour CCD with 8,130,000 effective pixel
Pixel
In digital imaging, a pixel, or pel, is a single point in a raster image, or the smallest addressable screen element in a display device; it is the smallest unit of picture that can be represented or controlled....

s (total pixels: 8,300,000)

Lens
Photographic lens
A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...


Focal distance: f=5.9 mm (28 mm converted to 35mm format camera);
Aperture
Aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane. The aperture determines how collimated the admitted rays are,...

 (F)
: F 2.4 to F 11*1;
Lens composition: 6 elements; 5 groups with 7 diaphragm blades
Diaphragm (optics)
In optics, a diaphragm is a thin opaque structure with an opening at its center. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture...



Digital zoom
Digital zoom
Digital zoom is a method of decreasing the apparent angle of view of a digital photographic or video image. Digital zoom is accomplished by cropping an image down to a centered area with the same aspect ratio as the original, and usually also interpolating the result back up to the pixel...


4.0x

Shooting range
About 0.3 meters to infinity
Infinity
Infinity is a concept in many fields, most predominantly mathematics and physics, that refers to a quantity without bound or end. People have developed various ideas throughout history about the nature of infinity...

 from lens tip

Macro
Macro photography
Macrophotography is close-up photography, usually of very small subjects. Classically a macrophotograph is one in which the size of the subject on the negative is greater than life size. However in modern use it refers to a finished photograph of a subject at greater than life size...

 shooting range

About 0.015 m to infinity from lens tip

Shutter
Shutter (photography)
In photography, a shutter is a device that allows light to pass for a determined period of time, for the purpose of exposing photographic film or a light-sensitive electronic sensor to light to capture a permanent image of a scene...

 

Still
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...

: 180, 120, 60, 30, 15, 8, 4, 2, 1 – 1/2,000 seconds;
Video
Video
Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...

: 1/30 – 1/2,000 seconds

Pixels
Still
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...

:
3,264 × 2,448; 3,264 × 2,176; 2,592 × 1,944; 2,048 × 1,536; 1,280 × 960; 640 × 480;
Video
Video
Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...

:
320 × 240; 160 × 120

Picture-quality modes
F (Fine), N (Normal), RAW
RAW image format
A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor...



ISO sensitivity
Film speed
Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system....


AUTO, 64, 100, 200, 400, 800, 1,600

Flash
Flash (photography)
A flash is a device used in photography producing a flash of artificial light at a color temperature of about 5500 K to help illuminate a scene. A major purpose of a flash is to illuminate a dark scene. Other uses are capturing quickly moving objects or changing the quality of light...

 

Auto, red-eye
Red-eye effect
The red-eye effect in photography is the common appearance of red pupils in color photographs of eyes. It occurs when using a photographic flash very close to the camera lens , in ambient low light. The effect appears in the eyes of humans and animals that have no tapetum lucidum, hence no...

 suppression, force flash, slow synchro, flash off,
Throw distance: approximately 0.2 to 3 meters

Focus
Focus (optics)
In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle. This non-ideal focusing may be caused by...


Autofocus
Autofocus
An autofocus optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system has to be done manually until indication...

, manual focus, snap, infinity (AF supplemental light also available)

Exposure
Exposure (photography)
In photography, exposure is the total amount of light allowed to fall on the photographic medium during the process of taking a photograph. Exposure is measured in lux seconds, and can be computed from exposure value and scene luminance over a specified area.In photographic jargon, an exposure...

 adjustment

TTL
Transistor-transistor logic
Transistor–transistor logic is a class of digital circuits built from bipolar junction transistors and resistors. It is called transistor–transistor logic because both the logic gating function and the amplifying function are performed by transistors .TTL is notable for being a widespread...

-CCD photometric system: multi (256 divisions)/ center focus photometry/ spot photometry

Exposure compensation
Manual correction (+2.0 to −2.0 EV
Exposure value
In photography, exposure value denotes all combinations of a camera's shutter speed and relative aperture that give the same exposure. In an attempt to simplify choosing among combinations of equivalent camera settings, the concept was developed by the German shutter manufacturer in the 1950s...

 1/3 EV steps)
Auto bracket feature (−0.5 EV; ±0; +0.5 EV)

White balance
Color temperature
Color temperature is a characteristic of visible light that has important applications in lighting, photography, videography, publishing, manufacturing, astrophysics, and other fields. The color temperature of a light source is the temperature of an ideal black-body radiator that radiates light of...

 

Auto; Fixed: Daylight
Daylight
Daylight or the light of day is the combination of all direct and indirect sunlight outdoors during the daytime. This includes direct sunlight, diffuse sky radiation, and both of these reflected from the Earth and terrestrial objects. Sunlight scattered or reflected from objects in outer space is...

, Overcast, Tungsten
Tungsten
Tungsten , also known as wolfram , is a chemical element with the chemical symbol W and atomic number 74.A hard, rare metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds. It was identified as a new element in 1781, and first isolated as...

 Light, Fluorescent Light, Manual, Advanced;
White balance bracket feature

Recording media
Computer storage
Computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data. Data storage is one of the core functions and fundamental components of computers....


SD memory card
Secure Digital card
Secure Digital is a non-volatile memory card format developed by the SD Card Association for use in portable devices. The SD technology is used by more than 400 brands across dozens of product categories and more than 8,000 models, and is considered the de-facto industry standard.Secure Digital...

 32, 64, 128, 256, 512MB, 1GB at 3.3V
Voltage
Voltage, otherwise known as electrical potential difference or electric tension is the difference in electric potential between two points — or the difference in electric potential energy per unit charge between two points...

; multimedia card; built-in memory (26 MB)

Recording modes
Photo: Still, Continuous, S-Continuous, M-Continuous,
Program shift, Aperture-Priority, Manual exposure; Scene: Text, Sound
Sound
Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.-Propagation of...

; Motion

Recording formats
Still: Compressed : JPEG
JPEG
In computing, JPEG . The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality....

*9 (Exif version 2.21); Uncompressed : RAW
RAW image format
A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor...

(DNG
Digital Negative (file format)
Digital Negative is an open raw image format owned by Adobe used for digital photography. It was launched on September 27, 2004. The launch was accompanied by the first version of the DNG specification, plus various products including a free of charge DNG Converter utility...

)
Text: TIFF (MMR format/ITU-T.6)
Video: AVI
Audio Video Interleave
Audio Video Interleave , known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback...

 (Open DML Motion JPEG format compliant)
Audio: WAV
WAV
Waveform Audio File Format , is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs...

 (Exif ver. 2.21 μ-law)

LCD monitor
Liquid crystal display
A liquid crystal display is a flat panel display, electronic visual display, or video display that uses the light modulating properties of liquid crystals . LCs do not emit light directly....


2.5 inch low-noise polysilicon TFT
Thin-film transistor
A thin-film transistor is a special kind of field-effect transistor made by depositing thin films of a semiconductor active layer as well as the dielectric layer and metallic contacts over a supporting substrate. A common substrate is glass, since the primary application of TFTs is in liquid...

 LCD with about 210,000 pixels

Self timer
Self timer
A self timer is a device on a camera that gives a delay between pressing the shutter release and the shutter's firing. It is most commonly used to let photographers to take a photo of themselves , hence the name....


Operating time: 10 seconds or 2 seconds

Interval timer
Shooting interval: 5 seconds to 3 hours (units of 5 seconds)

PC
Personal computer
A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

 interface

USB 2.0; Ricoh
Ricoh
or Ricoh, is a Japanese company that was established in 1936 on February 6th, as , a company in the RIKEN zaibatsu. Its headquarters is located in Ricoh Building in Chūō, Tokyo....

 original mass storage selectable

Audio and Video interface
Audio OUT/ Video OUT

Video signal format
NTSC
NTSC
NTSC, named for the National Television System Committee, is the analog television system that is used in most of North America, most of South America , Burma, South Korea, Taiwan, Japan, the Philippines, and some Pacific island nations and territories .Most countries using the NTSC standard, as...

 and PAL
PAL
PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast television systems in many countries. Other common analogue television systems are NTSC and SECAM. This page primarily discusses the PAL colour encoding system...



Dimensions
Dimensions
Dimensions is a French project that makes educational movies about mathematics, focusing on spatial geometry. It uses POV-Ray to render some of the animations, and the films are release under a Creative Commons licence....


107 x 25 x 58 mm (LxWxH); does not include protruding parts

Weight
Weight
In science and engineering, the weight of an object is the force on the object due to gravity. Its magnitude , often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g; thus:...


About 170 grams not including battery, SD memory card, and strap; Supplied parts: 30 grams (battery and strap)

Power
Electric power
Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt.-Circuits:Electric power, like mechanical power, is represented by the letter P in electrical equations...


1 Rechargeable battery
Rechargeable battery
A rechargeable battery or storage battery is a group of one or more electrochemical cells. They are known as secondary cells because their electrochemical reactions are electrically reversible. Rechargeable batteries come in many different shapes and sizes, ranging anything from a button cell to...

 (DB-60);
AC
Alternating current
In alternating current the movement of electric charge periodically reverses direction. In direct current , the flow of electric charge is only in one direction....

 adapter (AC-4c option);
2 AAA
AAA battery
A triple A or AAA battery is a standard size of dry cell battery commonly used in portable electronic devices. A carbon-zinc battery in this size is designated by IEC as "R03", by ANSI C18.1 as "24", by old JIS standard as "UM 4", and by other manufacturer and national standard designations that...

 alkaline dry-cell batteries;
2 AAA Oxyride dry-cell batteries; or
2 AAA nickel-hydrogen dry-cell batteries

Shooting capacity
CIPA-standard compliant;
When DB-60 used: about 250;
When AAA alkaline dry-cell battery used: about 30

Temperature range for use
C
Celsius
Celsius is a scale and unit of measurement for temperature. It is named after the Swedish astronomer Anders Celsius , who developed a similar temperature scale two years before his death...

 to 40°C

List of Optional Accessories with Model Numbers

External Viewfinder
Viewfinder
In photography, a viewfinder is what the photographer looks through to compose, and in many cases to focus, the picture. Most viewfinders are separate, and suffer parallax, while the single-lens reflex camera lets the viewfinder use the main optical system. Viewfinders are used in many cameras of...

  GV-1

Wide-angle Conversion Lens GW-1

Hood
Lens hood
In photography, a lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare....

 & Adapter GH-1

AC Adapter AC-4c

Soft case GC-1

Neck strap GS-1

Cable
Cable
A cable is two or more wires running side by side and bonded, twisted or braided together to form a single assembly. In mechanics cables, otherwise known as wire ropes, are used for lifting, hauling and towing or conveying force through tension. In electrical engineering cables are used to carry...

 switch CA-1

Rechargeable Lithium-Ion Battery DB-60

Battery Charger
Battery charger
A battery charger is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.The charge current depends upon the technology and capacity of the battery being charged...

  BJ-6

1st Anniversary Limited Edition

Illustration by Katsuya Terada
Katsuya Terada
, is a Japanese illustrator and cartoonist from the town of Tamano, Okayama. His alias is .-Biography:Katsuya Terada is probably best known in the United States as the character-designer for the animated film Blood: The Last Vampire...

, limited to 1000 cameras worldwide.
Blue/white with Angels.
To be released on 24th of November 2006. Ricoh Website

External links

Ricoh Global Site GR Digital Special Site Review at Digital Photography Review Ricoh Digital Cameras Community Forum A comprehensive review of the camera at Kamera & Bild RICOH GRD & GRD II blog RICOH GRD & GX100 User Group In South Korea Ricoh GRD I, II, & III photo gallery and topic discussion on Flickr
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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