• APS-C 365.0mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Sony Alpha SLT-A35
  • Panasonic Lumix DMC-GX1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Panasonic GX7
GX1 vs GX7
General
Model Number: A35 GX1
Alternate Model Number(s):    
Camera Format: SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $699.99 $949.95
Street Price: $567.17  
Date Available: 2011-08-31 2011-12-15
Tripod Mount: Yes Yes
Weight: 24.5 oz (694 g)
includes batteries, kit lens
14.8 oz (420 g)
includes batteries, kit lens
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
4.6 x 2.7 x 1.6 in.
(116 x 68 x 39 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Sony Panasonic
Effective Megapixels: 16.2 16.0
Sensor Format: APS-C 4/3
Sensor size: 365.04mm2 (23.40mm x 15.60mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.76 microns 3.77 microns
Focal Length Multiplier: 1.5x 2.0x
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 74 55
DxO Color Depth Score (bits): 23.3 20.8
DxO Dynamic Range Score (evs): 12.7 10.6
DxO Maximum Effective ISO Score (iso): 763 703
Image Capture
Image Resolution: 4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 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),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
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)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG, RAW, RAW + JPEG
Continuous-mode frames/second: 5.5 4.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i)
1440x1080 (30)
640x480 (30)
1920x1080 (60i/​50i/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
Movie File Format: AVCHD, MP4 AVCHD, MP4
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a No
Video Usable as Viewfinder: n/a No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Micro Four Thirds
Lens: Sony 18-55mm f/3.5-5.6 DT SAM Panasonic LUMIX G X VARIO PZ 14-42mm f/3.5-5.6 ASPH/POWER O.I.S.
Focal Length (35mm equivalent): 27 - 83mm 28 - 84mm
Focal Length (actual): 18 - 55mm 14 - 42mm
Zoom Ratio: 3.00x 3.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/3.5 (wide) / f.5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range:   20 cm to Infinity
7.9 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 37.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a 2x or 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. 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)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1.15M-dot LCD (380K-dot time-multiplexed RGB), 100% coverage, 1.1x mag., 19mm eyepoint, -4 to +4 diopter Optional DMC-LVF2 EVF; 1.44M dot eq,. 100% coverage, 0.71x magnification (35mm eq.)
Focus Peaking: No Yes
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.36x
Viewfinder Magnification (nominal/claimed): 1.10x 0.71x
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 11.8x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 100 160
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800; (Multi-frame NR mode up to ISO 25600) Auto, Intelligent ISO, 160 to 12800 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 49-zone Multi-segment, Center-weighted, Spot 144-zone Intelligent Multiple, 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, Sports Action, Macro, Landscape, Sunset, Night view, Hand-held Twilight (6 shot layering), Night Portrait, Picture Effect, Sweep Panorama (2D/3D) Portrait, Soft Skin, Scenery, Architecture, Sports, Peripheral Defocus, Flower, Food, Objects, Night Portrait, Night Scenery, Illiminatioms, Baby 1/2, Pet, Party, Sunset
Self Timer: 2, 10; 3 or 5 after 10 sec seconds 2, 10, 10 (3 images) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 6.0 m / 19.7 ft.
Flash Range Description: Lens dependent Lens dependent; GN 7.6m (ISO 160)
Max Flash Sync: 1/160 1/160
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG RAW, RAW + JPEG
Movie File Format: AVCHD, MP4 AVCHD, MP4
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless (RMT-DSLR1) or Wired (RM-S1AM/RM-L1AM) Optional DMW-RSL1 cable remote
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack Mini HDMI (Type-C), 2.5mm remote socket, combined AV/USB connector
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.53 0.56
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54 0.53
Buffer size for RAW shooting in single shot mode (frames): 8 12
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.5 4.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 Unlimited
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.22 seconds 0.26 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.217 seconds 0.082 seconds
Shutter lag (full AF, with flash): 0.48 seconds 0.48 seconds
Shutter Lag (prefocused): 0.102 seconds 0.072 seconds
Shutter Lag (notes): Wide-area full AF lag = 0.214s Wide-area AF lag = 0.260s
Startup Time: 0.9 seconds 1.4 seconds
Play -> Record Time: 0.4 seconds 0.6 seconds
Flash cycle time, full power: 3.3 seconds 5.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   310 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary DMW-BLD10 (7.2V, 1010mAh)
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary DMW-BLD10 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) PHOTOfunSTUDIO HD Edition 7.0, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: Super SteadyShot Image Stabilization, 1080i HD Video, Auto+, Picture Effects, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 5.5fps Full-res Burst Mode (7fps in Cropped "Telezoom" 8MP Mode). 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.