• APS-C 369.7mm2
  • 14.2 megapixels
  •  
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Alpha NEX-3
  • Pentax K-S2
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-S2
Alternate Model Number(s):    
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $599.99 $799.95
Street Price:   $499.00
Date Available: 2010-07-15 2015-02-15
Tripod Mount: Yes Yes
Weight: 18.0 oz (511 g)
includes batteries, kit lens
30.3 oz (859 g)
includes batteries, kit lens
Size: 4.6 x 2.5 x 1.3 in.
(117 x 63 x 33 mm)
4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 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  
DxO Color Depth Score (bits): 22.1  
DxO Dynamic Range Score (evs): 12.0  
DxO Maximum Effective ISO Score (iso): 830  
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 5.2
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 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/KAF2/3)
Lens: Sony SEL1855 18-55mm f/3.5-5.6 OSS smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups
Focal Length (35mm equivalent): 27 - 83mm 27 - 75mm
Focal Length (actual): 18 - 55mm 18 - 50mm
Zoom Ratio: 3.00x 2.78x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 34 (T) f/4 - f/22 (wide) / f/5.6 - f/32 (tele)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 49.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes No
Digital Zoom Values: Up to 10x Precision digital zoom with prime lens attached n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: 25-area, Center, Flexible Spot; with Face Detection SAFOX 11 TTL phase-matching: 11 points (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 (230,400 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
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 Shutter & Aperture Priority (TAv), Sensitivity Priority, Advanced HDR, Scene Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; Dynamic range adjustment: Highlight, shadow
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
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. 12.0 m / 39.4 ft.
Flash Range Description: Bundled flash has GN of 7m/ISO 100 GN=12 (m, ISO 100); range depends on lens aperture
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:   No
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
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 Yes
NFC: 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 No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional IR or Wi-Fi
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 0.35
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):   0.35
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.7 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 28
RAW shooting speed in burst mode (fps):   5.2
Buffer size for RAW shooting in burst mode (frames):   9
RAW+JPEG shooting speed in burst mode (fps):   5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid): 0.44 seconds 0.12 seconds
Shutter lag (full AF, tele): 0.44 seconds  
Shutter lag (full AF, live view - DSLR):   0.75 seconds
Shutter lag (prefocused, live view - DSLR):   0.214 seconds
Shutter Lag (manual focus):   0.098 seconds
Shutter lag (full AF, with flash):   0.15 seconds
Shutter Lag (prefocused): 0.115 seconds 0.077 seconds
Shutter Lag (notes):    
Startup Time: 1.0 seconds 1.0 seconds
Play -> Record Time: 1.0 seconds 0.2 seconds
Flash cycle time, full power: 2.8 seconds 2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 330 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   410 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: Yes
Internal Charging Supported: No
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. 20 megapixel AA Filter-less CMOS sensor with Prime MII processor, built-in Wi-Fi with NFC, weather-resistant body, all-new retractable kit zoom lens. The K-S2 will be available in 3 standard colors: black, white, and graphite with an orange accent. RICOH IMAGING is also pleased to announce the color order service for the PENTAX K-S2. The PENTAX K-S2 offers a choice of seven color options in two outdoor-themed collections: three in the Nature Collection; Forest Green, Desert Beige, and Stone Gray as well as four in the Sports Collection: White and Lime, Black and Pink, White with a Racing Stripe, and Black with a Racing Stripe.