• APS-C 365.0mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A35
  • Nikon Coolpix S31
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A35 S31
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $699.99 $119.95
Street Price: $567.17 $89.00
Date Available: 2011-08-31 2013-02-15
Tripod Mount: Yes Yes
Weight: 24.5 oz (694 g)
includes batteries, kit lens
6.5 oz (185 g)
includes batteries
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
4.1 x 2.6 x 1.6 in.
(105 x 65 x 42 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer: Sony  
Effective Megapixels: 16.2 10.1
Sensor Format: APS-C 1/3 inch
Sensor size: 365.04mm2 (23.40mm x 15.60mm) 17.28mm2 (4.8mm x 3.6mm)
Approximate Pixel Pitch: 4.76 microns 1.32 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 74  
DxO Color Depth Score (bits): 23.3  
DxO Dynamic Range Score (evs): 12.7  
DxO Maximum Effective ISO Score (iso): 763  
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)
3648 x 2736 (10.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG
Continuous-mode frames/second: 5.5 1.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i)
1440x1080 (30)
640x480 (30)
1280x720 (30p)
Movie File Format: AVCHD, MP4  
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 18-55mm f/3.5-5.6 DT SAM NIKKOR; 6 elements in 5 groups
Focal Length (35mm equivalent): 27 - 83mm 29 - 87mm
Focal Length (actual): 18 - 55mm 4.1 - 12.3mm
Zoom Ratio: 3.00x 3.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/3.3 (wide) / f/5.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:   5 cm to Infinity
2.0 in to Infinity
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. Contrast Detection: Center, Face detection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
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  
Focus Peaking: No No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x  
Viewfinder Magnification (nominal/claimed): 1.10x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 921,600 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 11.8x  
Top Deck Display: No
Exposure
Maximum ISO (native): 12800  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800; (Multi-frame NR mode up to ISO 25600) Auto, 80, 100, 200, 400, 800, 1600
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
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 49-zone Multi-segment, Center-weighted, Spot Matrix, Center-weighted (digital zoom less than 2x), Spot (digital zoom 2X or more)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
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) Close Up, Continuous shooting, Diorama effect, Fireworks Show, Food, Interval shooting, Mirror, Underwater, Soft
Self Timer: 2, 10; 3 or 5 after 10 sec seconds 10, smile 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 w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent Auto ISO: [W]: 0.5 to 3.5m (1ft. 8 in. to 11 ft.) [T]: 0.5 to 2.0m (1ft 8 in. to 6 ft 6 in.)
Max Flash Sync: 1/160  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Hot shoe n/a
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 No
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG  
Movie File Format: AVCHD, MP4  
Included Memory:   25.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC:
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 No
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type: Optional Wireless (RMT-DSLR1) or Wired (RM-S1AM/RM-L1AM)  
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.53  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54  
Buffer size for RAW shooting in single shot mode (frames): 8  
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): 5.5 1.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 4
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  
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  
Shutter lag (full AF, with flash): 0.48 seconds  
Shutter Lag (prefocused): 0.102 seconds  
Shutter Lag (notes): Wide-area full AF lag = 0.214s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.4 seconds  
Flash cycle time, full power: 3.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   260 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary EN-EL12 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) Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) Windows, Mac OS
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). Waterproof (up to 16.4 feet), Shockproof (up to 3.9 feet) and Dustproof. Available in White, Blue, Pink, Brown or Yellow.