• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Ricoh Caplio R50
  • Pentax Optio W90
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax W80
W80 vs W90
Successor:    
General
Model Number: R50 W90
Alternate Model Number(s):    
Camera Format: Compact Compact
Currently Manufactured: No No
Retail Price: $250.00 $329.95
Street Price:    
Date Available: 2008-03-31 2010-04-30
Tripod Mount: No Yes
Weight: 4.1 oz (116 g) 5.7 oz (161 g)
includes batteries
Size: 3.8 x 2.2 x 0.9 in.
(97 x 56 x 23 mm) 		4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 10.0 12.1
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.69 microns 1.54 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 3:2 4:3, 16:9
Color Filter Type:   RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 3648 x 2736 (10.0 MP, 4:3),
3648 x 2056 (7.5 MP, Other),
2816 x 2112 (5.9 MP, 4:3),
2288 x 1712 (3.9 MP, Other),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		4000 x 3000 (12.0 MP, 4:3),
4000 x 2256 (9.0 MP, Other),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF v2.21) JPEG (Exif 2.2)
Continuous-mode frames/second: n/a 1.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30)
320x240 (15) 		1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
Movie File Format: MOV (Quicktime) AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No Yes
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Ricoh Zoom Lens Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements
Focal Length (35mm equivalent): 36 - 180mm 28 - 140mm
Focal Length (actual): 6.3 - 31.5mm 5 - 25mm
Zoom Ratio: 5.00x 5.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - ??? f/3.5 (wide) / f/5.5 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 10 - 100 cm
3.9 - 39.4 in 		1 - 30 cm
0.4 - 11.8 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 4x Up to 6.25x; Intelligent Zoom up to 31.3x at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Multi AF (CCD method, 9-point range finder) / Spot AF (CCD method) 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD LCD
Viewfinder Type:    
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): 2.5 2.7
Rear Display Resolution: 230,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 57.0x 10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 50, 100, 200, 400, 800, 1600, 3200 Auto (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MP
Auto ISO Mode: No Yes
White Balance Settings: Auto, Outdoors, Cloudy, Incandescent, Fluorescent, Manual Auto, Daylight, Shade, Tungsten, Fluorescent , Manual
Shutter Speed Range: 1/2000 - 1 sec 1/1500 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 1.8EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 256-segment multi, center-weighted, spot Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Auto, Sports, Portrait, Landscape, Night view portrait, Fireworks, Lamp, Still image with audio, Best shot, Face chaser, Cosmetic, Monochrome, Sepia, Contrast, Vivid Night Scene, Underwater, Landscape, Flower, Portrait, Digital Microscope (2.1M), Digital Wide (5M), Surf & Snow, Digital SR (ISO 3200-6400 5M or 3.8M), Kids, Pet, Sport, Fireworks, Candlelight, Night Scene Portrait, Text, Food, Digital Panorama (2M per frame), Frame Composite (3M or 2.1M), Report
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Forced, Off, Red-eye reduction Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 40cm to 2.9m; Tele: 60cm to 1.8m 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: MOV (Quicktime) AVI (Motion JPEG)
Included Memory: 52.0 MB 26.7 MB
Included Memory Type: built-in memory 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: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional IR
Connections (extended):   HDMI Out (type D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.85
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   1.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):   0.26 seconds
Shutter lag (full AF, tele):   0.27 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.004 seconds
Shutter Lag (notes):    
Startup Time:   2.1 seconds
Play -> Record Time:    
Flash cycle time, full power:   5.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 220 shots 205 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: 1 x proprietary DB-80 Proprietary D-LI88
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x DB-80 Lithium Ion rechargeable 1 x Proprietary D-LI88 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   Software S-SW102 (CD ROM)
OS Compatibility:   Windows XP/Vista/7, Mac OS X 10.3.9+
Miscellaneous
Notes & Features: Waterproof to 20 feet, Shockproof to 4 feet, Coldproof to sub-freezing temperatures, Dustproof. 720p HD Movies, HDMI Output, Advanced Pixel-Track Shake Reduction, Optional Infrared Remote. Available in Black and Pistachio Green.