• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Panasonic Lumix DMC-GM1
  • Sony Alpha ILCA-A77 II
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A77
A77 vs A77 II
Successor: Panasonic GM5
GM1 vs GM5
 
General
Model Number: GM1 A77 II
Alternate Model Number(s):   ILCA-77M2
Camera Format: Compact System Camera SLR
Currently Manufactured: No Yes
Retail Price: $749.95 $1799.99
Street Price: $479.00 $1,198.00
Date Available: 2013-11-15 2014-06-15
Tripod Mount: Yes Yes
Weight: 9.8 oz (279 g)
includes batteries, kit lens
47.7 oz (1,351 g)
includes batteries, kit lens
Size: 3.9 x 2.2 x 1.2 in.
(99 x 55 x 30 mm)
5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic Sony
Effective Megapixels: 16.0 24.3
Sensor Format: 4/3 APS-C
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 3.77 microns 3.92 microns
Focal Length Multiplier: 2.0x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 66  
DxO Color Depth Score (bits): 22.3  
DxO Dynamic Range Score (evs): 11.7  
DxO Maximum Effective ISO Score (iso): 660  
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)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG (EXIF 2.3), RAW (RW2), RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 9.9 11.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​30p/​24p)
1280x720 (60p/​30p)
640x480 (30p)
1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
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 Sony Alpha (Minolta A)
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) Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 24 - 64mm 24 - 75mm
Focal Length (actual): 12 - 32mm 16 - 50mm
Zoom Ratio: 2.67x 3.13x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular) f/2.8 - f/22 (W/T)
Integrated ND Filter: No No
Normal Focus Range: 20 cm to Infinity
7.9 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x, 4x 1.4x / 2x Smart Zoom, 2x Clear Image Zoom
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 Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type:   EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: Yes Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):   0.73x
Viewfinder Magnification (nominal/claimed):   1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,229,760 dots (307,200 px)
Touchscreen: Yes No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 13.6x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 25600 25600
Minimum ISO (native): 200 100
ISO Settings: Auto, Intelligent ISO, 125 (extended), 200, 400, 800, 1600, 3200, 6400, 12800, 25600; in 1 or 1/3 EV steps Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR
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, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp. 2500 to 9900K, Color Filter G7 to M7 (15-step), Custom 1/2/3
Shutter Speed Range: 1/16000 - 60 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1728-zone Intelligent Multiple, Center-weighted, Spot 1200-zone Evaluative, Center-weighted, Spot
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 Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait; Picture Effects: Toy Camera (Normal/Cool/Warm/ Green/Magenta), Pop Color, Posterization (color/B/W), Retro Photo, Soft High-key, Partial color (R/G/B/Y), High Contrast Monochrome, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Rich Tone Monochrome, Miniature (7Setting), Watercolor, Illustration (Hi/Mid/Lo)
Self Timer: 2, 10, 3 shots in 10 seconds 2, 10; 3 or 5 frames after 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, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 4.0 m / 13.1 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent; GN=6 (ISO 200, m) / 4 (ISO 100, m) GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync: 1/50 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a Multi Interface Hot shoe, Sync terminal
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (RW2), RAW+JPEG 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
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 Optional wireless, wired or via Wi-Fi
Connections (extended): Micro HDMI (Type-D) Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.49 0.36
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 0.37
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.9 11.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 26
RAW shooting speed in burst mode (fps): 10.3 12.0
Buffer size for RAW shooting in burst mode (frames): 7 28
RAW+JPEG shooting speed in burst mode (fps): 10.3 12.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 7 24
Shutter lag (full AF, wide/mid): 0.19 seconds 0.09 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 0.095 seconds
Shutter lag (full AF, with flash): 0.34 seconds 0.21 seconds
Shutter Lag (prefocused): 0.087 seconds 0.051 seconds
Shutter Lag (notes): Full AF lag, Multi-area AF mode = 0.212s  
Startup Time: 0.9 seconds 0.8 seconds
Play -> Record Time: 0.7 seconds 0.9 seconds
Flash cycle time, full power: 3.2 seconds 3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 230 shots 480 shots
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary 7.2v, 680mAh Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary NP-FM500H 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 9.2 AE, SILKYPIX Developer Studio 4.1 SE, LoiloScope (trial) Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility: PHOTOfunSTUDIO and LoiloScope: Windows XP/Vista/7/8; SILKYPIX: Windows XP/Vista/7/8, Mac OS X 10.4-10.8 Windows, Mac OS X
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. New 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF, Full HD 60p/24p movies using AVCHD 2.0, clean HDMI output, built-in Wi-Fi with NFC, optional VG-C77AM grip.