Ricoh GR Digital IV Camera

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Ricoh GR Digital Camera series began in late 2005 and is based on the assets of the company of the former GR series cameras. Popular with fans, good image quality and a compact body which is favorable for snapshots, GR-series provides consumer-friendly services such as optical zoom. Now in its fourth generation, the Ricoh GR Digital reserves IV of the design and layout the same body control as its immediate predecessor, and the same lens and sensor, but it introduces some important changes in other sectors.

Perhaps more importantly, the Ricoh GR Digital IV now has a hybrid system of self development, the system typical of the contrast autofocus is complementary in most fixed lens cameras with information from a sensor AF externally. Ricoh has developed its own aspect of the AF sensor, and therefore can not be used for macro focus of the parallax error. Patients within a reasonable distance, even if the sensor provides 190 points of autofocus, and can concentrate in less than 0.2 seconds, according to Ricoh. While the contrast AF for close objects are improved algorithms, however, said they autofocus speed doubled. An interesting feature, based on external AF sensor is that the GR Digital can now reduce shutter lag contrast autofocus to go to the total when you press the shutter button without waiting for AF to complete the operation. Detailed in this press release snap mode, the camera can focus from a selection of preset distances to choose one of these, 1.5, 2.5 and five meters, and is probably the opening as a result to ensure sufficient depth for the purpose of your captured alive, despite the emphasis rather coarse steps. Another new feature for monitoring capabilities GRD IV autofocus.

Another important difference is the addition of a true mechanical image stabilizer. Specifically, the Ricoh GR Digital IV of its 10-megapixel, 1/1.7-inch CCD image sensor on a moving plate, which acts as a stabilizing mechanism by moving the sensor. Ricoh claims that the use of its proprietary methods of measurement, the system is 3.2 stops Shake Reduction believes care. Given the relatively wide, rigid 35mm equivalent focal length 28 mm and the maximum aperture of f/1.9 light, sees the GR Digital, IV, offers good options taken without a tripod, even in relatively light conditions low. Although the resolution of the sensor remains unchanged, the GR Digital IV now has a sensitivity range from ISO 80 to 3200 equivalents, instead of the equivalent coverage than the previous model 64-1600.

The Ricoh GR Digital IV is also the first camera that we are with a LCD design with four points per pixel, and I have not seen the three types. The usual red, green and blue sub-pixels includes GRD IV 3.0-inch screen has a white sub-pixels, which are used for is to increase the brightness. It is a conception of black magic has recently announced Sony LCD panels today, although not identified Ricoh and its suppliers, is probably the part used here. (To see four points per pixel panels, no other manufacturers such as design RGBY Sharp quad pixel in some of its high-definition display, but we are not aware of any other competitor with a RGBW design, even in this dimension.) compared to the current RGB panels, said Ricoh GR Digital Display IV x 1.7 provides more light. Assuming that it was actually a panel of black magic by Sony reasonably argue that the design is approximately doubled the maximum brightness of an RGB panel is near, and the company also found that the magic of the white patches on the consumption of energy over half a standard LCD panel with the same brightness. Total resolution of the Ricoh GRD IV LCD 1.23 million points, the table on VGA (640 x 480 pixels) approaches.

Ricoh has a number of other changes in the last GR-series models. The GR Digital is now offering bulbs and IV long-term exposure to a maximum of 180 seconds and now offers a dynamic range compensation function and a composite range mode, the stack of multiple images while maintaining the value of better particular pixel. This function is similar to stacks of images in Photoshop using the blending mode to lighten, useful for making star trails, etc.. There are also two new settings of the images - positive and Bleach Bypass - GRD IV and now has a wider range of adjustment for the nine steps, such as the vividness and contrast.

Other changes to the firmware also notes an AF burst mode to move the focus between frames (default blocks the continued attention of the first image), a custom-timer mode to replace the existing ten seconds in most attempts 'keep the bracketing functions (contrast settings, dynamic range and image) and a function of two main electronic level, not only now rolling side to side, but also to both sides of the space. There is also a new way of making 4:09 p.m. (3648 x 2048 pixels) and two types of fluorescent white balance instead of a.

Ricoh has also updated its connectivity options include HDMI output for HD video and better battery life easy to 370-390 frames with properties DB-65 Lithium Ion. Images and movies are still stored on SD or SDHC card, but the GR Digital offers hours IV Eye-Fi Connected report, which is not only supports Wi-Fi cards, but also allows the camera settings, and see the status of the transfer. At the same time, compliance has increased from 2.21 to EXIF ​​v v2.3 of the specification, and internal memory of 88 MB to 40 MB available was abandoned. Body weight increased by less than two grams to 190 grams

Prices and availability of the Ricoh GR Digital IV are not known at this time, but we know that the company sold its offering a limited edition white version of the camera, with only 10,000 units worldwide. This version is a special leather strap and a metal cover that locks the lens also prevents the power switch, without meaning to. (The lens cap is also available as an option).

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