• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 160 - 12,800
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Panasonic Lumix DMC-GX1
  • Sony Alpha ILCA-A77 II
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A77
A77 vs A77 II
Successor: Panasonic GX7
GX1 vs GX7
 
General
Model Number: GX1 A77 II
Alternate Model Number(s):   ILCA-77M2
Camera Format: Compact System Camera SLR
Currently Manufactured: No Yes
Retail Price: $949.95 $1799.99
Street Price:   $1,198.00
Date Available: 2011-12-15 2014-06-15
Tripod Mount: Yes Yes
Weight: 14.8 oz (420 g)
includes batteries, kit lens
47.7 oz (1,351 g)
includes batteries, kit lens
Size: 4.6 x 2.7 x 1.6 in.
(116 x 68 x 39 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: 55  
DxO Color Depth Score (bits): 20.8  
DxO Dynamic Range Score (evs): 10.6  
DxO Maximum Effective ISO Score (iso): 703  
Image Capture
Image Resolution: 4592 x 3448 (15.8 MP, 4:3),
4576 x 3056 (14.0 MP, 3:2),
4576 x 2576 (11.8 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)
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, RAW, RAW + JPEG JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 4.1 11.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
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, MP4 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 X VARIO PZ 14-42mm f/3.5-5.6 ASPH/POWER O.I.S. Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 28 - 84mm 24 - 75mm
Focal Length (actual): 14 - 42mm 16 - 50mm
Zoom Ratio: 3.00x 3.13x
Aperture Range: f/3.5 (wide) / f.5.6 (tele) - f/22 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 or 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 Touch (1- area-focusing in Face detection, AF Tracking, Multi-area-focusing, 1-area-focusing, Pinpoint) Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type: Optional DMC-LVF2 EVF; 1.44M dot eq,. 100% coverage, 0.71x magnification (35mm eq.) 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): 0.36x 0.73x
Viewfinder Magnification (nominal/claimed): 0.71x 1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,229,760 dots (307,200 px)
Touchscreen: No 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): 12800 25600
Minimum ISO (native): 160 100
ISO Settings: Auto, Intelligent ISO, 160 to 12800 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: 1/4000 - 60 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 144-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: Portrait, Soft Skin, Scenery, Architecture, Sports, Peripheral Defocus, Flower, Food, Objects, Night Portrait, Night Scenery, Illiminatioms, Baby 1/2, Pet, Party, Sunset 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, 10 (3 images) seconds 2, 10; 3 or 5 frames after 10 seconds
Time Lapse (intervalometer):    
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-eye Reduction, Forced Off 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): 6.0 m / 19.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent; GN 7.6m (ISO 160) GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync: 1/160 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe 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
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, RAW + JPEG 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVCHD, MP4 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: No 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 USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional DMW-RSL1 cable remote Optional wireless, wired or via Wi-Fi
Connections (extended): Mini HDMI (Type-C), 2.5mm remote socket, combined AV/USB connector 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): 0.56 0.36
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.53  
Buffer size for RAW shooting in single shot mode (frames): 12  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.37
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.1 11.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 26
RAW shooting speed in burst mode (fps):   12.0
Buffer size for RAW shooting in burst mode (frames):   28
RAW+JPEG shooting speed in burst mode (fps):   12.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   24
Shutter lag (full AF, wide/mid): 0.26 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): 0.082 seconds 0.095 seconds
Shutter lag (full AF, with flash): 0.48 seconds 0.21 seconds
Shutter Lag (prefocused): 0.072 seconds 0.051 seconds
Shutter Lag (notes): Wide-area AF lag = 0.260s  
Startup Time: 1.4 seconds 0.8 seconds
Play -> Record Time: 0.6 seconds 0.9 seconds
Flash cycle time, full power: 5.8 seconds 3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 310 shots 480 shots
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary DMW-BLD10 (7.2V, 1010mAh) Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary DMW-BLD10 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
Internal Charging Supported: No
Software
Included Software: PHOTOfunSTUDIO HD Edition 7.0, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: 3-inch 460K Touchscreen LCD, Full HD movies, Accessory Port, Hot-shoe, Built-in Flash, Level Gauge, iA and iA Plus modes, UHS-I compatible. Available in black or silver. 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.