• 1/2.5 inch 24.7mm2
  • 8.1 megapixels
  • 37.00mm - 112.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 16.2 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio E50
  • Ricoh GR
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Ricoh GR II
GR vs GR II
General
Model Number: E50 GR
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $149.95 $799.00
Street Price:    
Date Available: 2008-03-30 2013-05-15
Tripod Mount: Yes Yes
Weight: 4.2 oz (119 g)
includes batteries
8.6 oz (243 g)
includes batteries
Size: 3.8 x 2.4 x 0.9 in.
(97 x 61 x 23 mm)
4.6 x 2.4 x 1.4 in.
(117 x 61 x 35 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 8.1 16.2
Sensor Format: 1/2.5 inch APS-C
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.76 microns 4.81 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:   78
DxO Color Depth Score (bits):   23.6
DxO Dynamic Range Score (evs):   13.5
DxO Maximum Effective ISO Score (iso):   972
Image Capture
Image Resolution: 3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2304 x 1728 (4.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4928 x 3264 (16.1 MP, Other),
4352 x 3264 (14.2 MP, 4:3),
3246 x 3264 (10.6 MP, Other),
3936 x 2608 (10.3 MP, Other),
3488 x 2608 (9.1 MP, Other),
2608 x 2608 (6.8 MP, 1:1),
2912 x 1936 (5.6 MP, 3:2),
2592 x 1936 (5.0 MP, Other),
1936 x 1936 (3.7 MP, 1:1),
1280 x 864 (1.1 MP, Other),
1152 x 864 (1.0 MP, 4:3),
864 x 864 (0.7 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1280 x 720 (0.9 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.2) JPEG (EXIF 2.3), 12-bit RAW (DNG), RAW+JPEG
Continuous-mode frames/second: n/a 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p)
640x480 (30p/​25p/​24p)
Movie File Format: TBA MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 6 elements in 5 groups with 3 aspherical elements GR lens, 7 elements in 5 groups with 2 aspheric elements
Focal Length (35mm equivalent): 37 - 112mm 28mm
Focal Length (actual): 6.2 - 18.6mm 18.3mm
Zoom Ratio: 3.00x 1.00x
Aperture Range: f/2.8 (wide) / f/5.2 (tele) - ??? f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No Yes
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range: 15 cm to Infinity
5.9 in to Infinity
10 cm to Infinity
3.9 in to Infinity
Filter Thread: n/a 43.0mm
Thread Type: n/a (Hood & Adapter GH-2 required)
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 4x 35mm eq. crop mode
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 3-point TTL contrast detection Contrast Detection: Multi AF, Spot AF, Pinpoint AF, Subject-tracking AF, MF, Snap, infinity, Face recognition priority (only in Auto mode); Continuous Focus point adjustment: Auto, User-Selectable, Center
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:   Optional hotshoe mounted optical viewfinders
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 2.4 3.0
Rear Display Resolution: 110,000 dots 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x 16.0x
Top Deck Display:
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto (100 - 800), 1600 in Digital SR mode Auto, Auto-Hi, Manual ISO 100 - 25,600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto Auto, Multi-P Auto, Outdoors, Shade, Cloudy, Incandescent 1, Incandescent 2, Daylight FL, Natural White FL, Cool White FL, Warm White FL, CT, Manual
Shutter Speed Range: 1/2000 - 4 sec 1/4000 - 300 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 4.0EV in 0.3EV steps
Metering Modes: TTL multi-segment Multi (484 segments), Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Night Scene, Landscape, Flower, Portrait, Surf & Snow, Sport, Digital SR, Kids, Pet, Panorama, Frame Composite Effects modes (B&W, B&W (TE), High Contrast B&W, Cross-Process, Positive Film, Bleach-Bypass, Retro, Miniaturize, High-Key) Multiple Exposure (2-4 shots), Dynamic Range Correction.
Self Timer: 2 or 10 seconds 2, 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash On, Flash Off, Red-eye Reduction Auto, Flash On, Slow-Sync, Manual, Auto Red-Eye Flash, Flash On Red-Eye, Slow-Sync Red-Eye
Flash Guide Number (ISO 100): n/a 5.4
Flash Range Description: Auto ISO: approx 20 ft (wide), 10 ft (tele) Auto ISO: 20cm - 3.0m
Max Flash Sync:   1/4000 (ext: 1/400)
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   12-bit RAW (DNG), RAW+JPEG
Movie File Format: TBA MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM)
Included Memory: 9.5 MB 54.0 MB
Included Memory Type: Internal Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional CA-2 wired release (via USB)
Connections (extended): Dock terminal connection (Kodak ImageLink) Micro HMDI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.02
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.96
Buffer size for RAW shooting in single shot mode (frames):   Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.33
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   Unlimited
RAW shooting speed in burst mode (fps):   6.1
Buffer size for RAW shooting in burst mode (frames):   4
RAW+JPEG shooting speed in burst mode (fps):   6.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   4
Shutter lag (full AF, wide/mid):   0.28 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.092 seconds
Shutter lag (full AF, with flash):   0.46 seconds
Shutter Lag (prefocused):   0.028 seconds
Shutter Lag (notes):   Full Autofocus lag, Multi AF mode = 0.287s
Startup Time:   1.6 seconds
Play -> Record Time:   0.5 seconds
Flash cycle time, full power:   1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots (Alkaline AA) 290 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: 2 x AA Proprietary DB-65
Usable Battery Types: Alkaline or Lithium disposable, NiMH rechargeable Lithium-ion rechargeable
Batteries Included: TBA 1 x Proprietary DB-65 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: TBA Software CD-ROM
OS Compatibility: TBA  
Miscellaneous
Notes & Features: