• 1/2.33 inch 28.2mm2
  • 12.1 megapixels
  • 26.00mm - 676.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Pentax X90
  • Panasonic Lumix DMC-GX1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax X70
X70 vs X90
 
Successor:   Panasonic GX7
GX1 vs GX7
General
Model Number: X90 GX1
Alternate Model Number(s):    
Camera Format: EVF Compact System Camera
Currently Manufactured: No No
Retail Price: $399.95 $949.95
Street Price:    
Date Available: 2010-04-30 2011-12-15
Tripod Mount: Yes Yes
Weight: 15.4 oz (438 g)
includes batteries
14.8 oz (420 g)
includes batteries, kit lens
Size: 4.4 x 3.3 x 4.3 in.
(112 x 84 x 109 mm)
4.6 x 2.7 x 1.6 in.
(116 x 68 x 39 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: 1/2.33 inch 4/3
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 1.53 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:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:   55
DxO Color Depth Score (bits):   20.8
DxO Dynamic Range Score (evs):   10.6
DxO Maximum Effective ISO Score (iso):   703
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2256 (9.0 MP, Other),
2992 x 2992 (9.0 MP, 1:1),
3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4592 x 3448 (15.8 MP, 4:3),
4576 x 3056 (14.0 MP, 3:2),
4576 x 2576 (11.8 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)
Image File Format: JPEG (EXIF 2.2) JPEG, RAW, RAW + JPEG
Continuous-mode frames/second: 1.2 4.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1920x1080 (60i/​50i/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
Movie File Format: AVI (Motion JPEG) AVCHD, MP4
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes No
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Micro Four Thirds
Lens: Pentax; 14 elements in 11 groups with 4 asph. and 3 ED elements Panasonic LUMIX G X VARIO PZ 14-42mm f/3.5-5.6 ASPH/POWER O.I.S.
Focal Length (35mm equivalent): 26 - 676mm 28 - 84mm
Focal Length (actual): 4.6 - 119.6mm 14 - 42mm
Zoom Ratio: 26.00x 3.00x
Aperture Range: f/2.8 (Wide) - f/5.0 (Tele) f/3.5 (wide) / f.5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 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 162.5x at VGA 2x or 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast detect with Face-priority AF; 9-area Auto, 99-area manual select, center Contrast Detection: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint Touch (1- area-focusing in Face detection, AF Tracking, Multi-area-focusing, 1-area-focusing, Pinpoint)
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: EVF / LCD LCD
Viewfinder Type: EVF; 200K dots with diopter control Optional DMC-LVF2 EVF; 1.44M dot eq,. 100% coverage, 0.71x magnification (35mm eq.)
Focus Peaking: No Yes
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent):   0.36x
Viewfinder Magnification (nominal/claimed):   0.71x
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   12800
Minimum ISO (native):   160
ISO Settings: Auto (80-1600), Digital SR (80-6400*), Manual (80, 100, 200, 400, 800, 1600, 3200*, 6400*) (*3200 and 6400 at 5MP) Auto, Intelligent ISO, 160 to 12800 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent (W, D, N), Manual Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/4000 - 4 sec 1/4000 - 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, Spot AF area 144-zone Intelligent Multiple, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sport, Digital SR, Landscape, Flower, Portrait, Backlight, Half Length Portrait (3M), Night Scene, Night Scene Portrait, Stage Lighting (2M), Surf & Snow, Baby, Kids, Pet, Food, Fireworks, Frame Composite (3M), Party, Museum, Sunset, Digital Wide (5M), Digital Panorama (2M per frame) Portrait, Soft Skin, Scenery, Architecture, Sports, Peripheral Defocus, Flower, Food, Objects, Night Portrait, Night Scenery, Illiminatioms, Baby 1/2, Pet, Party, Sunset
Self Timer: 10 or 2 seconds 2, 10, 10 (3 images) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Slow Sync, Slow Sync + Redeye Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): n/a 6.0 m / 19.7 ft.
Flash Range Description: 30 ft (wide, auto ISO), 17 ft (tele, auto ISO) Lens dependent; GN 7.6m (ISO 160)
Max Flash Sync:   1/160
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:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW, RAW + JPEG
Movie File Format: AVI (Motion JPEG) AVCHD, MP4
Included Memory: 31.2 MB No memory included
Included Memory Type: 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 Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional DMW-RSL1 cable remote
Connections (extended): HDMI Out (type D) Mini HDMI (Type-C), 2.5mm remote socket, combined AV/USB connector
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 3.25 0.56
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.53
Buffer size for RAW shooting in single shot mode (frames):   12
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 1.2 4.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 Unlimited
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): 0.65 seconds 0.26 seconds
Shutter lag (full AF, tele): 0.62 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.082 seconds
Shutter lag (full AF, with flash):   0.48 seconds
Shutter Lag (prefocused): 0.009 seconds 0.072 seconds
Shutter Lag (notes):   Wide-area AF lag = 0.260s
Startup Time: 2.9 seconds 1.4 seconds
Play -> Record Time:   0.6 seconds
Flash cycle time, full power: 6.5 seconds 5.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 255 shots 310 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI106 Proprietary DMW-BLD10 (7.2V, 1010mAh)
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI106 Lithium-ion rechargeable 1 x Proprietary DMW-BLD10 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 CD-ROM S-SW87 PHOTOfunSTUDIO HD Edition 7.0, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver
OS Compatibility: Windows XP/Vista/7; Mac OS X 10.3.9+  
Miscellaneous
Notes & Features: Sensor-shift Shake Reduction, 720p HD Movies, HDMI Output, Continuous Mode up to 11 fps at 5MP. 3-inch 460K Touchscreen LCD, Full HD movies, Accessory Port, Hot-shoe, Built-in Flash, Level Gauge, iA and iA Plus modes, UHS-I compatible. Available in black or silver.