• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Pentax Optio W90
  • Panasonic Lumix DC-GX850
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax W80
W80 vs W90
Panasonic GF7
GF7 vs GX850
Successor:    
General
Model Number: W90 GX850
Alternate Model Number(s):   GX800, GF9
Camera Format: Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $329.95 $549.99
Street Price:   $547.99
Date Available: 2010-04-30 2017-02-01
Tripod Mount: Yes Yes
Weight: 5.7 oz (161 g)
includes batteries
11.9 oz (336 g)
includes batteries, kit lens
Size: 4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 mm)
4.2 x 2.5 x 1.3 in.
(107 x 65 x 33 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD Live MOS
Sensor Manufacturer:   Panasonic
Effective Megapixels: 12.1 16.0
Sensor Format: 1/2.3 inch 4/3
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 1.54 microns 3.77 microns
Focal Length Multiplier: n/a 2.0x
Aspect Ratio: 4:3, 16:9 4:3
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:   73
DxO Color Depth Score (bits):   23.2
DxO Dynamic Range Score (evs):   13.3
DxO Maximum Effective ISO Score (iso):   586
Image Capture
Image Resolution: 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)
4592 x 3448 (15.8 MP, 4:3),
4592 x 3064 (14.1 MP, 3:2),
4592 x 2584 (11.9 MP, 16:9),
3424 x 3424 (11.7 MP, 1:1),
3232 x 2424 (7.8 MP, 4:3),
3232 x 2160 (7.0 MP, 3:2),
3232 x 1824 (5.9 MP, Other),
2416 x 2416 (5.8 MP, 1:1),
2272 x 1704 (3.9 MP, 4:3),
2272 x 1520 (3.5 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1712 x 1712 (2.9 MP, 1:1),
1824 x 1368 (2.5 MP, 4:3),
1824 x 1216 (2.2 MP, 3:2),
1824 x 1024 (1.9 MP, 16:9),
1712 x 1712 (2.9 MP, 1:1)
Image File Format: JPEG (Exif 2.2) JPEG (EXIF 2.3), MPO, RAW (RW2), RAW+JPEG
Continuous-mode frames/second: 1.0 9.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
Movie File Format: AVI (Motion JPEG) AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Micro Four Thirds
Lens: Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements Panasonic LUMIX G VARIO 12-32mm f/3.5-5.6 ASPH. MEGA O.I.S. (H-FS12032); 8 elements in 7 groups (3 aspherical lenses, 1 ED)
Focal Length (35mm equivalent): 28 - 140mm 24 - 64mm
Focal Length (actual): 5 - 25mm 12 - 32mm
Zoom Ratio: 5.00x 2.67x
Aperture Range: f/3.5 (wide) / f/5.5 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
20 cm to Infinity
7.9 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in
 
Filter Thread: n/a 37.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 6.25x; Intelligent Zoom up to 31.3x at VGA 2x, 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Contrast Detection: Face detection, AF Tracking, 49-area-focusing, Custom Multi, 1-area-focusing, Pinpoint; Quick AF, Continuous AF, AF+MF, MF Assist, Touch AF/AE Function, Touch MF Assist, Touch Shutter
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No Yes
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): 2.7 3.0
Rear Display Resolution: 230,000 dots 1,040,000 dots (347,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   200
ISO Settings: Auto (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MP Auto, Intelligent ISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/1500 - 4 sec 1/16000 - 60 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 1728-zone Intelligent Multiple, 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, 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 Scene: Portrait, Child, Silky Skin, Backlit Softness, Relaxing Tone, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool, Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Handheld Night Shot, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine; Panorama (Standard / Wide / Self Shot Mode)
Self Timer: 2 or 10 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync
Flash Guide Number (ISO 100): n/a 4.0 m / 13.1 ft.
Flash Range Description: 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) GN=5.6m (18.3 feet) at ISO 200 / 4.0m (13.1 feet) at ISO 100
Max Flash Sync:   1/50
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC microSD / microSDHC / microSDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (RW2), RAW+JPEG
Movie File Format: AVI (Motion JPEG) AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Included Memory: 26.7 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
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,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Via Wi-Fi
Connections (extended): HDMI Out (type D) Micro HDMI (Type-D), Micro-B USB 2.0
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.85 0.35
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):   0.34
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 1.0 9.4
Buffer size for JPEG shooting in burst mode (frames, max resolution):   114
RAW shooting speed in burst mode (fps):   9.5
Buffer size for RAW shooting in burst mode (frames):   17
RAW+JPEG shooting speed in burst mode (fps):   9.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):   16
Shutter lag (full AF, wide/mid): 0.26 seconds 0.23 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):   0.086 seconds
Shutter lag (full AF, with flash):   0.45 seconds
Shutter Lag (prefocused): 0.004 seconds 0.085 seconds
Shutter Lag (notes):    
Startup Time: 2.1 seconds 2.0 seconds
Play -> Record Time:   0.6 seconds
Flash cycle time, full power: 5.8 seconds 1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 205 shots 210 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:   20 minutes
Battery Form Factor: Proprietary D-LI88 Proprietary
Usable Battery Types: Lithium-ion rechargeable 7.2v, 680mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software S-SW102 (CD ROM) PHOTOfunSTUDIO and SILKYPIX Developer available as free downloads
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. Available in black or silver.