• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Cyber-shot DSC-T900
  • Sony Alpha ILCE-A5100
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Sony Alpha ILCE-A5100 webpage
Predecessor:   Sony NEX-5T
NEX-5T vs A5100
Successor:    
General
Model Number: DSC-T900 A5100
Alternate Model Number(s):   ILCE-5100
Camera Format: Ultra Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $379.00 $699.99
Street Price:   $348.00
Date Available: 2009-04-15 2014-09-01
Tripod Mount: Yes Yes
Weight: 5.2 oz (147 g)
includes batteries
14.1 oz (399 g)
includes batteries, kit lens
Size: 3.9 x 2.3 x 0.6 in.
(98 x 58 x 16 mm)
4.3 x 2.5 x 1.4 in.
(110 x 63 x 36 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Sony Super HAD Sony
Effective Megapixels: 12.1 24.3
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 1.54 microns 3.92 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   80
DxO Color Depth Score (bits):   23.8
DxO Dynamic Range Score (evs):   12.7
DxO Maximum Effective ISO Score (iso):   1,347
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 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)
Image File Format: JPEG (Exif v2.21) JPEG (EXIF 2.3), RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 1.8 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
640x480 (30)
1920x1080 (60p/​60i/​30p/​24p)
1440x1080 (30p)
640x480 (30p)
Movie File Format: MPEG4 XAVC S / AVCHD 2.0 / MP4; Stereo Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: Component, Other HDMI
Lens & Optics
Lens Mount: n/a Sony E
Lens: Carl Zeiss Vario-Tessar, 12 elements in 10 groups Sony SELP1650 PZ 16-50mm f/3.5-5.6 OSS; 9 elements in 8 groups, 4 aspheric surfaces
Focal Length (35mm equivalent): 35 - 140mm 24 - 75mm
Focal Length (actual): 6.2 - 24.7mm 16 - 50mm
Zoom Ratio: 4.00x 3.13x
Aperture Range: f/3.5 (wide) / f/4.6 (tele) - f/10 f/3.5 - f/22 (W) / f/5.6 - f/36 (T); 7-blade circular aperture
Integrated ND Filter: No No
Normal Focus Range: 8 cm to Infinity
3.1 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in
 
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 2x Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / center / spot / touch AF Hybrid Contrast/Phase Detection: 179-point PDAF, 25-point CDAF, Center, Flexible Spot (S/M/L), Zone
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.5 3.0
Rear Display Resolution: 921,000 dots 921,600 dots (230,400 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 8.0x 16.7x
Top Deck Display: No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200 Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, White Fluorescent, Natural White Fluorescent, Day White Fluorescent, Incandescent, Flash, Underwater Auto / 1 / 2 / Flash Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Underwater, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment
Shutter Speed Range: 1/1000 - 1 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi-pattern, center-weighted, spot 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Easy, High Sensitivity, Twilight, Twilight portrait, Landscape, Softsnap, Snow, Beach, Fire works, Sports, Underwater, Gourmet Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur, HDR, Sweep Panorama
Self Timer: 2 or 10 seconds 2 , 10, 10 (3 or 5 frames) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, On, Slow-Sync, Off, Auto w/ Red-Eye Reduction, Slow-Sync w/ Red-Eye Reduction Auto, Off, Fill-flash, Rear sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a 4.0 m / 13.1 ft.
Flash Range Description: ISO Auto: 0.08m - 4.5m(W), 0.5m - 3.2m(T) Lens dependent; GN=4 (ISO 100, m)
Max Flash Sync:   1/160
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (ARW 2.3), RAW+JPEG
Movie File Format: MPEG4 XAVC S / AVCHD 2.0 / MP4; Stereo Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: 11.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
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,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional wired or Wi-Fi
Connections (extended): Multi-terminal Micro (Type-D) HDMI, Multi Micro USB
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.55
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.59
Buffer size for RAW shooting in single shot mode (frames):   Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.56
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 1.8 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 67
RAW shooting speed in burst mode (fps):   6.0
Buffer size for RAW shooting in burst mode (frames):   25
RAW+JPEG shooting speed in burst mode (fps):   6.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   23
Shutter lag (full AF, wide/mid):   0.24 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.126 seconds
Shutter lag (full AF, with flash):   0.35 seconds
Shutter Lag (prefocused):   0.021 seconds
Shutter Lag (notes):   Full AF shutter lag, wide-area AF mode = 0.230s
Startup Time:   2.0 seconds
Play -> Record Time:   1.0 seconds
Flash cycle time, full power:   2.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 400 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary Info LITHIUM Proprietary NP-FW50
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary NP-FW50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: Optical SteadyShot image stabilization, Touch-screen hi-res LCD, Smile Shutter, Intelligent Scene Recognition, Dynamic Range Optimizer, In-camera Retouching, HD Slide Show with music. Available in silver, black, red, and bronze. HDMI capable is an optional extra. Available in black or white.