Panasonic Lumix DMC-G3 vs Sigma sd Quattro

General	Panasonic Lumix DMC-G3	Sigma sd Quattro
Brand	Panasonic	Sigma
Model	Lumix DMC-G3	sd Quattro
Predecessor Model	Panasonic Lumix DMC-G2
Successor Model	Panasonic Lumix DMC-G5
Camera Type	Interchangeable Lens	Interchangeable Lens
Body Type	Mirrorless	Mirrorless
Video Capture

Sensor	Panasonic Lumix DMC-G3	Sigma sd Quattro
Sensor Type	CMOS	CMOS (Foveon X3)
Sensor Size	Micro Four Thirds	APS-C
Sensor Dimensions	17.3 x 13 mm	23.5 x 15.6 mm
Total Pixels	17 Megapixel	33 Megapixel
Effective Pixels	16 Megapixel	29 Megapixel
Low Pass Filter
Native ISO Range	160 - 6,400	100 - 6,400

Photo	Panasonic Lumix DMC-G3	Sigma sd Quattro
Processor	Venus Engine FHD	Dual TRUE III
Max Image Resolution	4592 x 3448	5424 x 3616
Other Resolutions	4576 x 3056, 4576 x 2576, 3424 x 3424, 3232 x 2424, 3232 x 2160, 3232 x 1824, 2416 x 2416, 2272 x 1704, 2272 x 1520, 1920 x 1080, 1824 x 1368, 1824 x 1216, 1824 x 1024 , 1712 x 1712, 1712 x 1712
Image Aspect Ratios	1:1, 4:3, 3:2, 16:9	1:1, 4:3, 3:2, 16:9
Image File Format		JPEG, RAW
JPEG Quality Levels	Fine, Standard	Fine, normal, basic
Bit Depth		14-Bit
Timelapse Recording
White Balance		Presets: Auto, Color Temperature, Custom, Daylight, Flash, Fluorescent, Incandescent, Overcast, Shade
WB Bracketing	3 frames in either blue/amber or magenta/green axis

Focus	Panasonic Lumix DMC-G3	Sigma sd Quattro
Autofocus Modes	Multi-area Selective single-point Tracking Single Continuous Touch Face Detection Live View	Multi-area Center Selective single-point Tracking Single Continuous Face Detection Live View
Lens Servo	Single-Servo AF, Continuous-Servo AF, Manual Focus	Automatic, Continuous-Servo AF, Single-Servo AF
AF Detection Range		-1 to +18 EV
Number of Focus Points	23	9
Number of Cross-type Focus Points	0
Touch-to-Focus
Live View Autofocus
Animal Eye Detection
Vehicle Tracking Mode
Insect Tracking Mode
Contrast Detection for Autofocus
Phase Detection for Autofocus

Optics	Panasonic Lumix DMC-G3	Sigma sd Quattro
Lens Mount	Micro Four Thirds	Sigma SA
Crop Factor	2x	1.5x
Image Stabilization
Digital Image Stabilization

Screen	Panasonic Lumix DMC-G3	Sigma sd Quattro
Screen Type	Fully Articulated	Fixed
Screen Technology	TFT Color LCD with wide-viewing angle	TFT LCD
Touch Screen
Selfie & Vlogger Friendly LCD Screen
Screen Size	3.0"	3.0"
Screen Resolution	460k dot	1,620k dot
Top LCD Screen
Live View
Live Composition

Viewfinder	Panasonic Lumix DMC-G3	Sigma sd Quattro
Viewfinder	Electronic	Electronic
Viewfinder Coverage	100%	100%
Viewfinder Magnification	1.40x	1.09x
Viewfinder Magnification (35mm equivalent)	0.70x	0.73x
Viewfinder Resolution	1,440k dot	2,360k dot
Viewfinder Eyepoint		21 mm
Diopter Adjustment	-4 to +4	-4 to +2

Shutter	Panasonic Lumix DMC-G3	Sigma sd Quattro
Shutter Type		Electronic
Min Shutter Speed	60 sec	30 sec
Max Shutter Speed (Mechanical or 1st Curtain)	1/4000 sec	1/4000 sec
Max Continuous Shooting	4.0 fps	3.6 fps
Continuous Shooting Resolution/fps/buffer		Up to 3.6 fps at 19.6 MP for up to 14 Frames (Raw) Up to 5.1 fps at 4.9 MP for up to 28 Frames (Raw)

Flash	Panasonic Lumix DMC-G3	Sigma sd Quattro
Built-in Flash
Flash Modes	Auto On Off Red-Eye Slow Sync
Flash Range	11.00 m
Max Flash Sync Speed	1/160 sec	1/180 sec
External Flash Connectivity
External Flash System		TTL
External Flash Connection	Hot Shoe	Hot Shoe, PC Terminal

Exposure	Panasonic Lumix DMC-G3	Sigma sd Quattro
Exposure Metering Modes	Multi Center-weighted Spot	Multi Center-weighted Spot
Exposure Modes		Aperture Priority, Manual, Program, Shutter Priority
Metering Range		0 to +17 EV
Exposure Compensation	±5 EV (1/3 EV increments)	±5 EV (1/3 EV increments)
Exposure Bracketing	±2 EV (3, 5, 7 shots at 1/3 EV, 2/3 EV increments)	±3 EV (3, 5 shots at 1/3 EV increments)
Exposure Lock		AEL/AF lock button is pressed or shutter release button is pressed halfway

DXO	Panasonic Lumix DMC-G3	Sigma sd Quattro
DxO Low Light ISO	667
DxO Color Depth	21.0
DxO Dynamic Range	10.6
DxO Overall Score	56

Video	Panasonic Lumix DMC-G3	Sigma sd Quattro
Video Formats	AVCHD, Motion JPEG
Max Video Resolution	1920 x 1080
Unlimited Video Recording
Recording Limit	30 min

Terminals	Panasonic Lumix DMC-G3	Sigma sd Quattro
Other I/O		1 x Micro-USB (USB 3.2 / 3.1 Gen 1) Output 1 x Sigma Proprietary Remote Input 1 x PC Sync Socket Output
USB Speed	USB 2.0 (480 Mbit/sec)	USB 3.2 Gen 1x1 (5 GBit/sec)
HDMI Output	Mini Type C	Mini
Speaker
Built-in Microphone	Stereo
Microphone Input
Headphone Output
Flash Sync Port

Connectivity	Panasonic Lumix DMC-G3	Sigma sd Quattro
Built-in GPS
Built-In Wi-Fi
Built-In Bluetooth
Remote Control	Optional DMW-RSL1	wired

Environmental	Panasonic Lumix DMC-G3	Sigma sd Quattro
Environmental Sealing
Operating Temperature		32 to 104°F / 0 to 40°C

Physical	Panasonic Lumix DMC-G3	Sigma sd Quattro
Dimensions	115 x 84 x 47 mm (4.53 x 3.31 x 1.85")	147 x 95 x 91 mm (5.79 x 3.74 x 3.58")
Weight (inc. batteries)	336 g (0.74 lb / 11.85 oz)	625 g (1.38 lb / 22.05 oz)
Box Dimensions (LxWxH)	7.5 x 5.7 x 6.1"	8.5 x 7.8 x 5.4"
Package Weight		3.475 lb

Power and Storage	Panasonic Lumix DMC-G3	Sigma sd Quattro
Battery Pack		BP-61
Battery Life	270 shots
Internal Storage
External Storage	Single Slot: SD/SDHC/SDXC (UHS-I)	Single Slot: SD/SDHC/SDXC

Other	Panasonic Lumix DMC-G3	Sigma sd Quattro
Self Timer	2 or 10 sec
Orientation Sensor
Tripod Mounting Thread		1 x 1/4"-20 Female (Bottom)
Accessory Mount		1 x Hot Shoe Mount
Material of Construction		Magnesium Alloy

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