• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • Medium format 1,441.0mm2
  • 51.4 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Panasonic Lumix DMC-GX8
  • Fujifilm GFX 50S
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Panasonic GX7
GX7 vs GX8 		 
Successor: Panasonic GX9
GX8 vs GX9 		Fujifilm GFX 50S II
General
Model Number: GX8 GFX 50S
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1199.99 $6499.95
Street Price: $997.99 $5,197.00
Date Available: 2015-08-15 2017-02-28
Tripod Mount: Yes Yes
Weight: 17.2 oz (487 g)
includes batteries 		32.5 oz (920 g)
includes batteries
Size: 5.2 x 3.1 x 2.5 in.
(133 x 78 x 63 mm) 		5.8 x 3.7 x 3.6 in.
(148 x 94 x 91 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic  
Effective Megapixels: 20.3 51.4
Sensor Format: 4/3 Medium format
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 1441.02mm2 (43.80mm x 32.90mm)
Approximate Pixel Pitch: 3.34 microns 5.31 microns
Focal Length Multiplier: 2.0x 0.8x
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
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) 		8256 x 6192 (51.1 MP, 4:3),
8256 x 5504 (45.4 MP, 3:2),
8256 x 4640 (38.3 MP, 16:9),
6192 x 6192 (38.3 MP, 1:1),
8256 x 3048 (25.2 MP, Other),
7744 x 6192 (48.0 MP, 5:4),
7232 x 6192 (44.8 MP, Other),
4000 x 3000 (12.0 MP, 4:3),
4000 x 2663 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
4000 x 1480 (5.9 MP, Other),
3744 x 3000 (11.2 MP, 5:4),
3504 x 3000 (10.5 MP, Other)
Image File Format: JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG JPEG, 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
Continuous-mode frames/second: 8.3 3.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
640x480 (30p) 		1920x1080 (30p/​25p/​24p/​23.98p)
1280x720 (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 FUJINON G Mount
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: 2x, 4x  
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 Contrast Detection: 425 points; Single Point AF: 13x9 / 25x17 (Changeable Size of AF Frame Among 6 Types); Zone AF: 3x3 / 5x5 / 7x7 from 117 Areas on 13x9 Grid; Wide/Tracking AF: (Up to 9 Area); Single AF / Continuous AF / MF; Touch AF supported
Auto Focus Assist Light? Yes No
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 Detachable EVF-GFX1 electronic viewfinder: 0.5-inch 3.69M-dot OLED, 100% coverage, 0.85x magnification (35mm eq.), 23mm eyepoint, -4 to +2 diopter adjustment, eye sensor; optional Tilt Adapter EVF-TL1 available
Focus Peaking: Yes Yes
EVF Resolution: 2,360,000 dots 3,690,000 dots
Viewfinder Magnification (35mm equivalent): 0.77x 0.85x
Viewfinder Magnification (nominal/claimed): 1.54x 0.67x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 2,360,000 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 Yes
Exposure
Maximum ISO (native): 25600 12800
Minimum ISO (native): 200 100
ISO Settings: Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps Auto (1/2/3), 100-12800, expandable to 50-102400
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 (K)
Shutter Speed Range: 1/16000 - 60 sec 1/16000 - 3600 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-zone 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%, 200%, 400%
Self Timer: 2, 10, 3 shots in 10 seconds 10 or 2 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: No No
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, Off; Sync: 1st Curtain, 2nd Curtain; Auto FP (HSS)
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/250 1/125
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, RAW + JPEG 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
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 Yes
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Wi-Fi or optional wired Via Wi-Fi or Remote Release RR-90/RR-100
Connections (extended): Micro HDMI (Type-D), 2.5mm Wired Remote/External Mic Jack Micro HDMI (Type-D), Micro USB 3 .0, 3.5mm external mic jack, 3.5mm headphone jack, 2.5mm remote release jack, DC input (15v)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 1.00
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 1.00
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 8.3 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 40
RAW shooting speed in burst mode (fps): 7.9 3.0
Buffer size for RAW shooting in burst mode (frames): 36 21
RAW+JPEG shooting speed in burst mode (fps): 7.9 3.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 32 11
Shutter lag (full AF, wide/mid): 0.18 seconds 0.48 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 0.270 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.058 seconds 0.108 seconds
Shutter Lag (notes):   Default EFCS used.
Startup Time: 1.2 seconds 1.3 seconds
Play -> Record Time: 0.6 seconds 1.3 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 340 shots 400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 320 shots 400 shots
Battery Life, Video:   70 minutes
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: 7.2v, 1200mAh Lithium-ion rechargeable NP-T125 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary NP-T125 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: PHOTOfunSTUDIO 9.7 PE, SILKYPIX Developer Studio 4.3 SE, LoiloScope (trial version) RAW FILE CONVERTER EX2.0 (powered by SILKYPIX)
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 Mac and Windows
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