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Ricoh GR Digital IV digital camera
GR Digital IV
at a glance
3648 x 2736
4x digital zoom
3.0" lcd viewer
SD, SDHC
DB-65 rechargeable
Ricoh GR Digital IV review summary
camera date Oct 11  
pixels / class 10.4M  compact digital camera
overall rating not rated overall camera rating  2 reviews
image quality not rated image quality rating  
ease of use not rated usability rating  
camera body not rated camera body rating  
digital features not rated digital features rating  
photogr. ctrls not rated photographic controls rating  
user profile user profile: digital photography not specified yet
comments  
Ricoh GR Digital IV specifications
lens / zoom  28 mm (dig: 4x)
focus / macro  auto | manual / 30cm / 1cm
metering mode  center-weighted, spot, 256 segments
aperture  auto | manual / F1.9 - F11
white balance  auto, 5 presets, manual
shutter  auto | manual / 180s - 1/2000s
exposure  +/- 2EV in 1/3EV steps
flash / mode  hot-shoe; internal - 6 modes, red eye reduction / 0.2m - 3m (ISO auto)
viewfinder  lcd screen
iso ratings  80 - 1600 in 1EV, 1/3EV steps
image size  3648×2736, 3264×2448, 2592×1944, 2048×1536, 1280×960, 640×480 / [3:2] 3648×2432 / [16:9] 3648x2048 / [1:1] 2736×2736
image format  raw (dng), jpeg (exif 2.3)
image compr.  fine, normal
lag/cycle times  
remote control  self timer 10s, 2s
video options  avi, with audio -  640x480, 320x240 (30 fps, 15fps)
audio options  wav
connectivity  usb 2.0 HS; A/V (NTSC / PAL)
storage  40MB internal, SD, SDHC
platform  
extra features  sensor shift image stabilization
histogram display
PictBridge compliant
Ricoh GR Digital IV links
Reviews for novices and shutterbugs
26Oct11 Ricoh GR Digital IV review at PhotographyBLOG
21Oct11 Ricoh GR Digital IV review at PhotoReview
Forum discussions
imaging-resource.com  Ricoh Forum
Who can help me with this camera 
 

Ricoh GR Digital IV announcement clippings


The GR DIGITAL IV employs a hybrid autofocus system that combines an external auto focus with a conventional contrast autofocus system. It is newly equipped with an external autofocus sensor developed in-house that allows for high-speed, high-precision distance calculations for up to 190 points. The camera needs as little as 0.2 seconds for the autofocus to adjust, approximately half the time for the GR DIGITAL III. The scan area for contrast autofocusing is limited so the external autofocus sensor can adjust the focus even if you do not half-press the shutter-release button, allowing for more rapid focus adjustments than previous models. Improvements to the algorithm have increased the speed—as much as doubled it—even for macro autofocusing that uses only the contrast autofocus system.


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