• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • 1 inch 116.2mm2
  • 18.4 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Panasonic Lumix DMC-GM1
  • Nikon J4
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Panasonic GM5
GM1 vs GM5
Nikon J5
J4 vs J5
General
Model Number: GM1 J4
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No No
Retail Price: $749.95 $650.00
Street Price: $479.00 $350.00
Date Available: 2013-11-15 2014-05-31
Tripod Mount: Yes Yes
Weight: 9.8 oz (279 g)
includes batteries, kit lens
11.2 oz (317 g)
includes batteries, kit lens
Size: 3.9 x 2.2 x 1.2 in.
(99 x 55 x 30 mm)
3.9 x 2.4 x 1.1 in.
(100 x 60 x 29 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic  
Effective Megapixels: 16.0 18.4
Sensor Format: 4/3 1 inch
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 3.77 microns 2.52 microns
Focal Length Multiplier: 2.0x 2.7x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 66 53
DxO Color Depth Score (bits): 22.3 20.8
DxO Dynamic Range Score (evs): 11.7 10.7
DxO Maximum Effective ISO Score (iso): 660 426
Image Capture
Image Resolution: 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)
5232 x 3488 (18.2 MP, 3:2),
3920 x 2616 (10.3 MP, 3:2),
2608 x 1744 (4.5 MP, 3:2),
9600 x 920 (8.8 MP, Other),
4800 x 920 (4.4 MP, Other),
1536 x 4800 (7.4 MP, Other),
1536 x 9600 (14.7 MP, Other)
Image File Format: JPEG (EXIF 2.3), RAW (RW2), RAW+JPEG JPEG (EXIF 2.3), Compressed 12-bit NEF RAW, RAW+JPG
Continuous-mode frames/second: 9.9 60.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​30p/​24p)
1280x720 (60p/​30p)
640x480 (30p)
1920x1080 (60p/​30p)
1280x720 (60p/​30p)
1280x720 (120p)
768x288 (400p)
416x144 (1200p)
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) MOV H.264/MPEG-4 AVC with PCM audio
Composite Video Out: Yes No
NTSC/PAL Switchable Video: No n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds Nikon 1
Lens: 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) 1 Nikkor 10-30mm f/3.5-5.6 VR PD-Zoom
Focal Length (35mm equivalent): 24 - 64mm 27 - 81mm
Focal Length (actual): 12 - 32mm 10 - 30mm
Zoom Ratio: 2.67x 3.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular) f/3.5 (W)- f/5.6 (T) - f/16 with 7-blade rounded aperture
Integrated ND Filter: No No
Normal Focus Range: 20 cm to Infinity
7.9 in to Infinity
20 cm to Infinity
7.9 in to Infinity
Macro Focus Range:    
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: Yes
Digital Zoom Values: 2x, 4x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint; Quick AF, Continuous AF, AF+MF, Eye Sensor AF, Touch AF/AE Function, Touch Pad AF, Touch shutter, Touch MF Assist Hybrid autofocus (phase detection/contrast-detect AF): Single-point AF: 171 focus areas, the center 105 areas support phase-detection AF; Auto-area AF: 41 focus areas; Subject tracking; Face-priority AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type:    
Focus Peaking: Yes No
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): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,036,800 dots (345,600 px)
Touchscreen: Yes Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 12800
Minimum ISO (native): 200 160
ISO Settings: Auto, Intelligent ISO, 125 (extended), 200, 400, 800, 1600, 3200, 6400, 12800, 25600; in 1 or 1/3 EV steps Auto, 160 - 12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps) Auto, Incandescent, Fluorescent, Direct Sunlight, Flash, Cloudy, Shade, Underwater, Preset Manual (custom); All except preset manual with fine tuning
Shutter Speed Range: 1/16000 - 60 sec 1/16000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 1728-zone Intelligent Multiple, Center-weighted, Spot Matrix, Center-weighted (4.5mm), Spot (2mm)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene: Clear Portrait, Silky Skin, Backlit Softness, Relaxing Tone, Sweet Child's Face, 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 Nite 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 Scene Mode: Portrait, Night Landscape, Landscape, Night Portrait, Close-up; Creative palette, HDR, Easy Panorama, Soft, Miniature Effect, Selective Color, Cross Process, and Toy Camera Effect; Best Moment Capture (Active Selection, Slow View and Smart Photo Selector); Motion Snapshot
Self Timer: 2, 10, 3 shots in 10 seconds 2, 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red- Auto, auto + red-eye reduction, fill flash, fill flash + slow sync, red-eye reduction, red-eye reduction + slow sync, rear-curtain sync, rear curtain + slow sync, off
Flash Guide Number (ISO 100): 4.0 m / 13.1 ft. 5.0 m / 16.4 ft.
Flash Range Description: Lens dependent; GN=6 (ISO 200, m) / 4 (ISO 100, m) Range is lens aperture dependent
Max Flash Sync: 1/50 1/60
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC microSD / microSDHC / microSDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (RW2), RAW+JPEG Compressed 12-bit NEF RAW, RAW+JPG
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) MOV H.264/MPEG-4 AVC with PCM audio
Included Memory: No memory included 0.0 MB
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes 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,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Via Wi-Fi Via Wi-Fi
Connections (extended): Micro HDMI (Type-D) Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.49  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50  
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.56  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 9.9 60.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10  
RAW shooting speed in burst mode (fps): 10.3  
Buffer size for RAW shooting in burst mode (frames): 7  
RAW+JPEG shooting speed in burst mode (fps): 10.3  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 7  
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): 0.101 seconds  
Shutter lag (full AF, with flash): 0.34 seconds  
Shutter Lag (prefocused): 0.087 seconds  
Shutter Lag (notes): Full AF lag, Multi-area AF mode = 0.212s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.7 seconds  
Flash cycle time, full power: 3.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 230 shots 300 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary 7.2v, 680mAh Proprietary EN-EL22
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary EN-EL22 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: PHOTOfunSTUDIO 9.2 AE, SILKYPIX Developer Studio 4.1 SE, LoiloScope (trial) ViewNX 2
OS Compatibility: PHOTOfunSTUDIO and LoiloScope: Windows XP/Vista/7/8; SILKYPIX: Windows XP/Vista/7/8, Mac OS X 10.4-10.8  
Miscellaneous
Notes & Features: GX7 image quality in a much smaller package, retractable kit lens, touchscreen LCD, Full HD video up to 60i, 10fps full-res burst mode, built-in Wi-Fi, magnesium alloy frame. Available in white, black, silver, or metallic orange.