Nikon D3S vs Sigma DP1

General	Nikon D3S	Sigma DP1
Brand	Nikon	Sigma
Model	D3S	DP1
Predecessor Model	Nikon D3
Successor Model	Nikon D4	Sigma DP1s
Camera Type	Interchangeable Lens	Point & Shoot
Body Type	DSLR	Advanced Compact
Video Capture

Sensor	Nikon D3S	Sigma DP1
Sensor Type	CMOS	CMOS (Foveon X3)
Sensor Format	FX
Sensor Size	Full Frame	APS-C
Sensor Dimensions	36.0 x 23.9 mm	20.7 x 13.8 mm
Total Pixels	12.87 Megapixel	14 Megapixel
Effective Pixels	12.1 Megapixel	5 Megapixel
Low Pass Filter
Native ISO Range	200 - 12,800	100 - 800
Boosted ISO Range	100 - 102,400

Photo	Nikon D3S	Sigma DP1
Processor	EXPEED
Max Image Resolution	4256 x 2832	2640 x 1760
Other Resolutions	3552 x 2832, 3552 x 2368, 3184 x 2128, 2784 x 1848, 2656 x 1776, 2128 x 1416, 2080 x 1384, 1776 x 1416, 1776 x 1184, 1392 x 920	1776 x 1184, 1296 x 864
Image Aspect Ratios	5:4, 3:2	3:2
JPEG Quality Levels	Fine, Normal, Basic	Fine, Normal, Basic
Bit Depth	14-Bit	36-Bit
Timelapse Recording
White Balance	Auto (TTL white balance with main image sensor and 1,005-pixel RGB sensor), 12 Presets with fine tuning, and Manual, P.Color temperature in Kelvin (2500 - 10000 K, 31 steps),P. White balance bracketing (2 to 9 frames in increments of 1, 2 or 3)	Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
WB Bracketing	2 to 9 exposures in increments of 1, 2 or 3 EV

Focus	Nikon D3S	Sigma DP1
Autofocus Modes	Multi-area Selective single-point Single Continuous Live View	Single Live View
Lens Servo	Single-Servo AF, Manual Focus
Number of Focus Points	51
Number of Cross-type Focus Points	15
Touch-to-Focus
Live View Autofocus
Animal Eye Detection
Vehicle Tracking Mode
Insect Tracking Mode
Contrast Detection for Autofocus
Phase Detection for Autofocus
Focusing Screen	BriteView Clear Matte VI - Type B

Optics	Nikon D3S	Sigma DP1
Lens Mount	Nikon F
Crop Factor	1x
35mm Equivalent Focal Length Range		28 mm
Optical Zoom		1x
Image Stabilization
Digital Image Stabilization
Reflex Mirror	Quick-return type

Screen	Nikon D3S	Sigma DP1
Screen Type	Fixed	Fixed
Screen Technology	Low-temperature polysilicon TFT color LCD
Touch Screen
Screen Size	3.0"	2.50"
Screen Resolution	921k dot	230k dot
Top LCD Screen
Live View
Live Composition

Viewfinder	Nikon D3S	Sigma DP1
Viewfinder	Optical (pentaprism)
Viewfinder Coverage	100%
Viewfinder Magnification	0.70x
Viewfinder Magnification (35mm equivalent)	0.70x

Shutter	Nikon D3S	Sigma DP1
Shutter Type	Electronically controlled vertical-travel focal-plane	Electronically controlled lens shutter
Min Shutter Speed	30 sec	30 sec
Max Shutter Speed (Mechanical or 1st Curtain)	1/8000 sec	1/4000 sec
Max Continuous Shooting	11.0 fps
Mirror Lock Up

Flash	Nikon D3S	Sigma DP1
Built-in Flash
Flash Modes	Front curtain Rear curtain Red-Eye Slow Sync	Unknown
Max Flash Sync Speed	1/250 sec
External Flash Connectivity
External Flash System	i-TTL Balanced fill-flash, standard i-TTL flash for digital SLR
External Flash Connection	Hot Shoe, PC Terminal ISO 518 standard-type hot shoe contact; Safety lock mechanism provided ISO 519 (PC) Terminal, lock screw provided	Hot Shoe

Exposure	Nikon D3S	Sigma DP1
Exposure Metering Modes	Multi Center-weighted Spot
Exposure Modes	3D Color Matrix Metering II (type G and D lenses), Color Matrix Metering II (other CPU lenses), Color Matrix Metering (non-CPU lenses if user provides lens data) Center-Weighted: Weight of 75% given to 12-mm circle in center of frame, diameter of circle can be changed to 8, 15 or 20 mm, or weighting can be based on average of entire frame (non-CPU lenses use 12-mm circle or average of entire frame) Spot: Meters 4-mm circle (about 1.5% of frame) centered on selected focus point (on center focus point when non-CPU lens is used)	Auto, [P] Program AE, [S] Shutter Priority AE, [A] Aperture Priority AE, [M] Manual, AE Lock, Exposure Compensation (±3EV in 1/3 EV Increments), Auto Bracketing (3 frames in 1/3EV stop increments up to ±3EV)
Metering Range	0 to +20 EV
Exposure Compensation	±5 EV (1/3 EV, 1/2 EV, 1 EV increments)	±2 (at 1/3 EV increments)
Exposure Bracketing	±3 EV (2, 3, 5, 7 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV increments)
Exposure Lock	Luminosity locked at detected value with AE-L/AF-L button

DXO	Nikon D3S	Sigma DP1
DxO Low Light ISO	3253
DxO Color Depth	23.5
DxO Dynamic Range	12.0
DxO Overall Score	82

Video	Nikon D3S	Sigma DP1
Internal Recording Modes	Yes, 1280 x 720p @ 24fps
Interval Recording	With Optional Remote Trigger
Video Formats	Motion JPEG
Max Video Resolution	1280 x 720
Unlimited Video Recording

Terminals	Nikon D3S	Sigma DP1
USB Speed	USB 2.0 (480 Mbit/sec)	USB 2.0 (480 Mbit/sec)
HDMI Output
Speaker		Mono
Built-in Microphone	Stereo	Mono
Microphone Input
Headphone Output
Flash Sync Port

Connectivity	Nikon D3S	Sigma DP1
Built-in GPS
Built-In Wi-Fi	optional
Built-In Bluetooth
Remote Control

Environmental	Nikon D3S	Sigma DP1
Environmental Sealing
Operating Temperature	32 to 104°F / 0 to 40°C
Operating Humidity	0 to 85%

Physical	Nikon D3S	Sigma DP1
Dimensions	160 x 157 x 88 mm (6.3 x 6.18 x 3.46")	113 x 60 x 50 mm (4.45 x 2.36 x 1.97")
Weight (inc. batteries)	1240 g (2.73 lb / 43.74 oz)	270 g (0.60 lb / 9.52 oz)
Box Dimensions (LxWxH)		10 x 5.5 x 4"

Power and Storage	Nikon D3S	Sigma DP1
Battery Pack	EN-EL4a	BP-31
Battery Life	4200 shots
Internal Storage
External Storage	Dual Slot: CompactFlash (Type I, compliant with UDMA)	Single Slot: SD/MMC card

Other	Nikon D3S	Sigma DP1
Self Timer	2 to 20 sec	Yes (10 sec)
Orientation Sensor
Material of Construction	Magnesium Alloy
Virtual Horizon Camera Indicator

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