• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 24.00mm - 840.00mm (35mm eq.)
  • Detailed specifications
  • Panasonic Lumix DMC-GH4
  • Nikon Coolpix A900
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Panasonic GH3
GH3 vs GH4
Nikon S9900
S9900 vs A900
Successor: Panasonic GH5
GH4 vs GH5
Nikon A1000
A900 vs A1000
General
Model Number: GH4 A900
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact
Currently Manufactured: Yes Yes
Retail Price: $1500.00 $399.95
Street Price: $898.50 $396.95
Date Available: 2014-04-30 2016-04-15
Tripod Mount: Yes Yes
Weight: 20.1 oz (569 g)
includes batteries
10.2 oz (289 g)
includes batteries
Size: 5.2 x 3.7 x 3.3 in.
(133 x 93 x 84 mm)
4.4 x 2.6 x 1.6 in.
(113 x 67 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic BSI
Effective Megapixels: 16.1 20.2
Sensor Format: 4/3 1/2.3 inch
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 3.75 microns 1.19 microns
Focal Length Multiplier: 2.0x n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 74  
DxO Color Depth Score (bits): 23.2  
DxO Dynamic Range Score (evs): 12.8  
DxO Maximum Effective ISO Score (iso): 791  
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3456 x 3456 (11.9 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
3264 x 2176 (7.1 MP, 3:2),
3264 x 1840 (6.0 MP, Other),
2448 x 2448 (6.0 MP, 1:1),
2336 x 1720 (4.0 MP, Other),
2336 x 1560 (3.6 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1744 x 1744 (3.0 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)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: 12.8 7.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 4096x2160 (24p)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (60p/​30p)
640x480 (30p)
1920x1080 (96p)
3840x2160 (30p/​25p)
1920x1080 (60p/​50p/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (120p/​100p)
1280x720 (60p/​30p)
1920x1080 (15p/​12.5p)
Movie File Format: MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch) MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
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 n/a
Lens: n/a Zoom-Nikkor; 13 elements in 11 groups including 4 ED lens elements
Focal Length (35mm equivalent):   24 - 840mm
Focal Length (actual):   4.3 - 151mm
Zoom Ratio:   35.00x
Aperture Range:   f/3.4 (wde) / f/6.9 (tele) - ??; 3-blade iris diaphragm
Integrated ND Filter: No No
Normal Focus Range:   50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   1 cm to Infinity
0.4 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 2x, 4x; Magnification ratio depends on recording pixels and aspect ratio Up to 4x; up to 2x Dynamic Fine Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Face/Eye detection, AF Tracking, 49-area-focusing, Custom Multi, 1-area-focusing, Pinpoint (Full area touch is available) Contrast Detection: Center, Face priority, Manual with 99 focus areas, Subject tracking, Target finding AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: EVF / OLED No / LCD
Viewfinder Type: EVF: 2,359K-dot OLED, 100% coverage, 1.34x / 0.67x (35mm eq.) magnification, 21mm eyepoint, -4 to +4 diopter, adjustable eye sensor  
Focus Peaking: Yes No
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.67x 0.00x
Viewfinder Magnification (nominal/claimed): 1.34x 0.00x
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots 921,600 dots (230,400 px)
Touchscreen: Yes No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes Yes
Max Playback Zoom: 16.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 1600
Minimum ISO (native): 200 80
ISO Settings: Auto, Intelligent ISO, 200-25600; in 1/3 or 1 EV steps; expandable to ISO 100 Auto, ISO 80 - 1600; ISO 3200 (available when using P, S, A or M mode)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps) Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Preset Manual
Shutter Speed Range: 1/8000 - 60 sec 1/4000 - 8 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 1728-zone Multiple, Center-weighted, Spot Matrix, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: No scene modes. Creative Control (Stills): 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; Creative Control (Movies): Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Fantasy, One Point Color Scene Modes: Backlighting, Beach, Close-up, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Multiple Exposure Lighten, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Scene Auto Selector, Snow, Sports, Sunset, Superlapse Movie; Smart Portrait, Special Effects
Self Timer: 2, 10, 3 shots after 10 seconds 10 , 5 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Auto/Red-eye Reduction (when iA, iA+), Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Off; Built-in flash supports wireless mode (4 channels, 3 groups) Auto, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off; Slow Syncro
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Lens dependent; GN = 17m (ISO 200) Auto ISO: [W]: 0.5 to 6.0m (1 ft. 8 in. to 19 ft.), [T]: 1.5 to 3.2m (5 ft. to 11 ft.)
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot Shoe, PC Sync Socket n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: RAW, RAW + JPEG  
Movie File Format: MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch) MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: Yes No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired DMW-RSL1 Via Wi-Fi
Connections (extended): Micro HDMI (Type-D), 2.5mm Remote Jack, 3.5mm Mic Jack, 3.5mm Headphone Jack, DMW-YAGH IU Connections Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.40  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.35  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 12.8 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 7
RAW shooting speed in burst mode (fps): 11.8  
Buffer size for RAW shooting in burst mode (frames): 21  
RAW+JPEG shooting speed in burst mode (fps): 11.9  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 21  
Shutter lag (full AF, wide/mid): 0.19 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.057 seconds  
Shutter lag (full AF, with flash): 0.35 seconds  
Shutter Lag (prefocused): 0.050 seconds  
Shutter Lag (notes): Full AF, wide-area AF mode = 0.186s  
Startup Time: 0.8 seconds  
Play -> Record Time: 0.7 seconds  
Flash cycle time, full power: 4.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots 270 shots
Battery Life, Still (CIPA Rating OVF/EVF): 500 shots  
Battery Life, Video:   50 minutes
Battery Form Factor: Proprietary Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary EN-EL12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: PHOTOfunSTUDIO 9.5 PE (Windows XP / Vista / 7 / 8); SILKYPIX Developer Studio 4.1 SE (Windows XP / Vista / 7 / 8, Mac OS X v10.5-10.8); LoiLoScope (trial version) (Windows XP / Vista / 7 / 8)  
OS Compatibility: Windows, Mac OS X  
Miscellaneous
Notes & Features: Up to 4Kp30 Ultra HD video, higher-res EVF and OLED monitor, 12fps full-res burst mode, 1/8000s top shutter speed, 1/250 x-sync, 200K shutter, optional DMW-YAGH Interface Unit. Available in silver and black.