Sony NEX-3 vs Pentax K-S1 Specifications

APS-C 369.7mm²
14.2 megapixels

Go in depth with our full Sony NEX-3 Review.
See real-world photos taken with the NEX-3.

APS-C 366.6mm²
20.1 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-S1 Review.

Detailed specifications
Sony Alpha NEX-3
Pentax K-S1

Links
Prices:		Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:
Successor:	Sony NEX-3N NEX-3 vs NEX-3N
General
Model Number:	NEX-3	K-S1
Alternate Model Number(s):
Camera Format:	Compact System Camera	SLR
Currently Manufactured:	No	No
Retail Price:	$599.99	$799.95
Street Price:		$501.65
Date Available:	2010-07-15	2014-09-15
Tripod Mount:	Yes	Yes
Weight:	18.0 oz (511 g) includes batteries, kit lens	27.0 oz (765 g) includes batteries, kit lens
Size:	4.6 x 2.5 x 1.3 in. (117 x 63 x 33 mm)	4.8 x 3.7 x 2.8 in. (121 x 93 x 70 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:	Sony
Effective Megapixels:	14.2	20.1
Sensor Format:	APS-C	APS-C
Sensor size:	369.72mm² (23.7mm x 15.6mm)	366.6mm² (23.50mm x 15.60mm)
Approximate Pixel Pitch:	5.16 microns	4.29 microns
Focal Length Multiplier:	1.5x	1.5x
Aspect Ratio:	3:2, 16:9	3:2
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Fixed	Optional
Self-Cleaning:	Yes	Yes
Sensor shift image stabilization:	No	Yes
On-Sensor Phase Detect:	No	No
DxO Sensor Score:	68	78
DxO Color Depth Score (bits):	22.1	23.5
DxO Dynamic Range Score (evs):	12.0	13.0
DxO Maximum Effective ISO Score (iso):	830	1,061
Image Capture
Image Resolution:	4592 x 3056 (14.0 MP, 3:2), 4592 x 2576 (11.8 MP, 16:9), 3344 x 2224 (7.4 MP, 3:2), 3344 x 1872 (6.3 MP, Other), 2288 x 1520 (3.5 MP, Other), 2288 x 1280 (2.9 MP, Other)	5472 x 3648 (20.0 MP, 3:2), 4224 x 2816 (11.9 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2)
Image File Format:	JPEG, .ARW RAW, RAW+JPEG	JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second:	2.7	5.4
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1280x720 (30) 640x480 (30)	1920x1080 (30p/25p/24p) 1280x720 (60p/50p)
Movie File Format:	MPEG-4	MPEG-4 AVC/H.264 (MOV)
Composite Video Out:	No
NTSC/PAL Switchable Video:	n/a	n/a
Video Usable as Viewfinder:	n/a	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Sony E	Pentax K (KA/KAF/KAF2)
Lens:	Sony SEL1855 18-55mm f/3.5-5.6 OSS	smc Pentax-DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent):	27 - 83mm	27 - 83mm
Focal Length (actual):	18 - 55mm	18 - 55mm
Zoom Ratio:	3.00x	3.06x
Aperture Range:	f/3.5 - 22 (W), f/5.6 - 34 (T)	f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter:	No	No
Normal Focus Range:	25 cm to Infinity 9.8 in to Infinity	25 cm to Infinity 9.8 in to Infinity
Macro Focus Range:
Filter Thread:	49.0mm	52.0mm
Thread Type:	n/a	n/a
Optical Image Stabilization:	Yes	No
Digital Zoom:	Yes
Digital Zoom Values:	Up to 10x Precision digital zoom with prime lens attached
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Contrast Detect: 25-area, Center, Flexible Spot; with Face Detection	SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center)
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	LCD	Optical / LCD
Viewfinder Type:	(Optional FDA-SV1 optical viewfinder available with 16mm FOV)	SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking:	No	Yes
EVF Resolution:	n/a	n/a
Viewfinder Magnification (35mm equivalent):		0.63x
Viewfinder Magnification (nominal/claimed):		0.95x
Display
Eye-level Viewfinder:	No	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	921,600 dots	921,600 dots (307,200 px)
Touchscreen:	No	No
Articulating Screen:	Yes	No
Tilt Swivel Screen:		No
Selfie Screen:		No
Max Playback Zoom:	13.0x	16.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):		51200
Minimum ISO (native):		100
ISO Settings:	Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Color Temp./Filter, Custom	Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature
Shutter Speed Range:	1/4000 - 30 sec	1/6000 - 30 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 2.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	Multi-segment (49 segments), Center-weighted, Spot	TTL open-aperture: 77 segment Multi, 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, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Hand-held Twilight, Sweep Panorama	Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3
Self Timer:	2 or 10 seconds	2 or 12 seconds
Time Lapse (intervalometer):
High Resolution Composite:	No	No
Flash
Built-in Flash:	No	Yes
Flash Modes:	Autoflash, Fill-flash, Rear sync., Slow sync., Red-eye reduction	Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128)
Flash Guide Number (ISO 100):	7.0 m / 23.0 ft.	10.0 m / 32.8 ft.
Flash Range Description:	Bundled flash has GN of 7m/ISO 100	Depends on lens
Max Flash Sync:	1/160	1/180
Flash Exposure Compensation:	+/- 2.0 EV in 0.3EV steps	-2 to +1 EV in 0.5EV steps
External Flash Connection:	Smart Accessory Terminal (flash is detachable)	Hot Shoe
Built-In Wireless Flash Control:
Image Storage
Usable Memory Types:	MS PRO Duo / SD / SDHC / SDXC	SD / SDHC / SDXC
UHS Support:		UHS-I
Other Memory:		UHS-I compliant
Dual Card Slots:	No	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	.ARW RAW, RAW+JPEG	12-bit RAW (.PEF, .DNG)
Movie File Format:	MPEG-4	MPEG-4 AVC/H.264 (MOV)
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:	No	No
Headphone Jack:	No	No
External Connections:	USB 2.0 High Speed	USB 2.0 High Speed
PictBridge Compliant:	Yes	No
DPOF Compliant:	Yes	Yes
Remote Control:	No	Yes
Remote Control Type:		Optional IR
Connections (extended):	Mini HDMI (Type C)	Micro (Type D) HMDI

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.77
Cycle time for RAW shooting in single shot mode (seconds per frame):	0.77
Buffer size for RAW shooting in single shot mode (frames):	17
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):
Camera penalizes early shutter press?	No
JPEG shooting speed in burst mode (fps, max resolution):	2.7	5.4
Buffer size for JPEG shooting in burst mode (frames, max resolution):	38	20
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):	0.44 seconds
Shutter lag (full AF, tele):	0.44 seconds
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):
Shutter lag (full AF, with flash):
Shutter Lag (prefocused):	0.115 seconds
Shutter Lag (notes):
Startup Time:	1.0 seconds
Play -> Record Time:	1.0 seconds
Flash cycle time, full power:	2.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):	330 shots
Battery Life, Still (CIPA Rating OVF/EVF):		480 shots
Battery Life, Video:
Battery Form Factor:	Proprietary InfoLithium NP-FW50	Proprietary D-LI109
Usable Battery Types:	Lithium-ion rechargeable	Lithium-ion rechargeable
Batteries Included:	1 x Proprietary NP-FW50 Lithium-ion rechargeable	1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:	PMB (Picture Motion Browser) 4.3.01 Image Data Converter SR 3.1 Image Data Lightbox SR	Digital Camera Utility 5 Software CD-ROM
OS Compatibility:	Windows 2000/XP/Vista; Mac OS X 10.1.3 or later
Miscellaneous
Notes & Features:	Available in black, silver or red.	The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black.