• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • APS-C 368.2mm2
  • 24.3 megapixels
  • ISO 200 - 12,800
  • Detailed specifications
  • Panasonic Lumix DMC-GX8
  • Fujifilm X-T20
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Panasonic GX7
GX7 vs GX8
Fujifilm X-T10
X-T10 vs X-T20
Successor: Panasonic GX9
GX8 vs GX9
Fujifilm X-T30
X-T20 vs X-T30
General
Model Number: GX8 X-T20
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1199.99 $1199.95
Street Price: $997.99 $699.00
Date Available: 2015-08-15 2017-02-28
Tripod Mount: Yes Yes
Weight: 17.2 oz (487 g)
includes batteries
25.2 oz (713 g)
includes batteries, kit lens
Size: 5.2 x 3.1 x 2.5 in.
(133 x 78 x 63 mm)
4.7 x 3.3 x 1.6 in.
(118 x 83 x 41 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic  
Effective Megapixels: 20.3 24.3
Sensor Format: 4/3 APS-C
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 368.16mm2 (23.60mm x 15.60mm)
Approximate Pixel Pitch: 3.34 microns 3.93 microns
Focal Length Multiplier: 2.0x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG X-Trans 3
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 75  
DxO Color Depth Score (bits): 23.5  
DxO Dynamic Range Score (evs): 12.6  
DxO Maximum Effective ISO Score (iso): 806  
Image Capture
Image Resolution: 5184 x 3888 (20.2 MP, 4:3),
3712 x 2784 (10.3 MP, 4:3),
2624 x 1968 (5.2 MP, 4:3),
1824 x 1368 (2.5 MP, 4:3),
5184 x 3456 (17.9 MP, 3:2),
3712 x 2480 (9.2 MP, 3:2),
2624 x 1752 (4.6 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2),
5184 x 2920 (15.1 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
1824 x 1024 (1.9 MP, 16:9),
3888 x 3888 (15.1 MP, 1:1),
2784 x 2784 (7.8 MP, 1:1),
1968 x 1968 (3.9 MP, 1:1),
1712 x 1712 (2.9 MP, 1:1)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2832 x 2832 (8.0 MP, 1:1),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
9600 x 1440 (13.8 MP, Other),
2160 x 9600 (20.7 MP, Other),
6400 x 1440 (9.2 MP, Other),
2160 x 6400 (13.8 MP, Other)
Image File Format: JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG JPEG (Exif Ver 2.3), .RAF 14-bit RAW (lossless compressed or uncompressed); RAW + JPEG
Continuous-mode frames/second: 8.3 13.7
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/24p)
1920x1080 (60p/60i/30p/24p)
1280x720 (30p)
640x480 (30p)
3840x2160 (30p/25p/24p/23.98p)
1920x1080 (60p/50p/30p/25p/24p/23.98p)
1280x720 (60p/50p/30p/25p/24p/23.98p)
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: No n/a
Video Usable as Viewfinder: Yes n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds Fujifilm X
Lens: n/a Fujinon XF 18-55mm f/2.8-4 R LM OIS; 14 elements in 10 groups, including 3 aspherical lenses and 1 extra low dispersion element
Focal Length (35mm equivalent):   27 - 84mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.06x
Aperture Range:   f/2.8 (wide) / f/4 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: 2x, 4x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection with DFD: Face/Eye detection, Tracking, 49-area, Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter Hybrid Phase/Contrast Detect AF: 325 points total, 169 phase-detect points; Single point AF: EVF/LCD: 13x7 / 25x13 (changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 91 areas on 13x7 grid, Wide/Tracking AF: Up to 18 area; Touch AF supported
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED EVF / LCD
Viewfinder Type: Tilting 2360K-dot OLED, 1.54x / 0.77x (35mm eq.) magnification, 21mm eyepoint, -4 to +3 diopter, eye sensor EVF: 0.39-inch 2.36M-dot OLED with 100% coverage, 0.62x magnification (35mm equivalent), 17.5mm eyepoint (from the rear end of the camera's eyepiece), -4 to +2 diopter adjustment, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 2,360,000 dots 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.77x 0.62x
Viewfinder Magnification (nominal/claimed): 1.54x 0.93x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,040,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 16.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 12800
Minimum ISO (native): 200 200
ISO Settings: Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps AUTO with selectable limit, ISO 200-12800, Extended output sensitivity equivalent ISO 100, 25600 and 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting (2,500-10,000K in 100K steps) Auto, Daylight, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom, Color Temperature
Shutter Speed Range: 1/16000 - 60 sec 1/32000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1728-zone Intelligent Multiple, Center-weighted, Spot TTL 256-zones metering; Multi, Spot, Average, Center-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Panorama (Standard/Wide); 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 Film Simulation modes (PROVIA/Standard, Velvia/Vivid, ASTIA/Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, Black&White, Black&White+Ye Filter, Black&White+R Filter, Black&White+GFilter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter); Dynamic range setting: AUTO (100-400%), 100%, 200%, 400%; Panorama; Advanced Filters (Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Soft focus, Partial color [Red / Orange / Yellow / Green / Blue / Purple])
Self Timer: 2, 10, 3 shots in 10 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: 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. TTL (Flash Auto / Standard / Slow Sync.), Manual, Commander, Off; Sync: 1st Curtain, 2nd Curtain; Red-eye Reduction pre-flash & Red-eye removal, Red-eye Reduction pre-flash Only, Red-eye removal Only, Off
Flash Guide Number (ISO 100): n/a 5.0 m / 16.4 ft.
Flash Range Description: n/a GN=5m (ISO 100) or 7m (ISO 200)
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control: No Trigger Only
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, RAW + JPEG .RAF 14-bit RAW (lossless compressed or uncompressed); RAW + JPEG
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Wi-Fi or optional wired Threaded cable release, optional wired, Wi-Fi
Connections (extended): Micro HDMI (Type-D), 2.5mm Wired Remote/External Mic Jack Micro HDMI (Type D), Micro-B USB 2.0, 2.5mm stereo mic/remote jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 <0.3
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): <0.3 0.64
Camera penalizes early shutter press? Yes Yes
JPEG shooting speed in burst mode (fps, max resolution): 8.3 13.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 32
RAW shooting speed in burst mode (fps): 7.9 13.7
Buffer size for RAW shooting in burst mode (frames): 36 25
RAW+JPEG shooting speed in burst mode (fps): 7.9 13.7
Buffer Size for RAW+JPEG shooting in burst mode (frames): 32 21
Shutter lag (full AF, wide/mid): 0.18 seconds 0.15 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.065 seconds 0.057 seconds
Shutter lag (full AF, with flash):   0.30 seconds
Shutter Lag (prefocused): 0.058 seconds 0.047 seconds
Shutter Lag (notes):    
Startup Time: 1.2 seconds 1.4 seconds
Play -> Record Time: 0.6 seconds 1.0 seconds
Flash cycle time, full power: 0.0 seconds 3.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 340 shots 350 shots
Battery Life, Still (CIPA Rating OVF/EVF): 320 shots 350 shots
Battery Life, Video:   50 minutes
Battery Form Factor: Proprietary Proprietary NP-W126S
Usable Battery Types: 7.2v, 1200mAh Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary NP-W126S Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: PHOTOfunSTUDIO 9.7 PE, SILKYPIX Developer Studio 4.3 SE, LoiloScope (trial version)  
OS Compatibility: PHOTOfunSTUDIO and LoiloScope: Windows Vista/7/8/8.1; SILKYPIX: Windows Vista/7/8/8.1, Mac OS X 10.5-10.10  
Miscellaneous
Notes & Features: New 20.3MP Live MOS sensor, upgraded quad-core CPU Venus Engine image processor, Dual IS uses both IBIS and OIS, 4K 30p/24p video and stills capture, 8fps full-res burst shooting (10fps with electronic shutter), Depth From Defocus AF, tilting high-res 0.77x EVF, tilt/swivel touchscreen OLED monitor, built-in Wi-Fi with NFC, magnesium alloy die cast frame Available in black or silver.