• 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • ISO 100 - 12,800
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax Q-S1
  • Sony Alpha ILCE-A5100
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Sony Alpha ILCE-A5100 webpage
Predecessor: Pentax Q7
Q7 vs Q-S1
Sony NEX-5T
NEX-5T vs A5100
Successor:    
General
Model Number: Q-S1 A5100
Alternate Model Number(s):   ILCE-5100
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $499.95 $699.99
Street Price: $349.95 $348.00
Date Available: 2014-08-31 2014-09-01
Tripod Mount: Yes Yes
Weight: 7.2 oz (203 g)
includes batteries
14.1 oz (399 g)
includes batteries, kit lens
Size: 4.1 x 2.3 x 1.3 in.
(105 x 58 x 34 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: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 12.4 24.3
Sensor Format: 1/1.7 inch APS-C
Sensor size: 43.32mm2 (7.60mm x 5.70mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 1.90 microns 3.92 microns
Focal Length Multiplier: 4.6x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes 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 2664 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2304 x 2304 (5.3 MP, 1:1),
1920 x 1440 (2.8 MP, 4:3),
1920 x 1280 (2.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1440 x 1440 (2.1 MP, 1:1)
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 2.3), 12-bit RAW (DNG), RAW+JPEG JPEG (EXIF 2.3), RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 5.0 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (30p/​25p/​24p)
640x480 (30p/​25p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1440x1080 (30p)
640x480 (30p)
Movie File Format: MOV (AVC H.264) with monaural sound 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: HDMI HDMI
Lens & Optics
Lens Mount: Pentax Q Sony E
Lens: 02 Standard Zoom smc Pentax 5-15mm f/2.8-4.5 ED AL [IF] Sony SELP1650 PZ 16-50mm f/3.5-5.6 OSS; 9 elements in 8 groups, 4 aspheric surfaces
Focal Length (35mm equivalent): 23 - 69mm 24 - 75mm
Focal Length (actual): 5 - 15mm 16 - 50mm
Zoom Ratio: 3.00x 3.13x
Aperture Range: f/2.8 (W) / f/4.5 (T) - f/8 f/3.5 - f/22 (W) / f/5.6 - f/36 (T); 7-blade circular aperture
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 40.5mm 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values:   Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: AF Single (w focus lock, focus/release priority selectable), AF Continuous, AF Face Detection, Manual; Auto 25 Point, User-Selectable, Center 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: No / LCD No / LCD
Viewfinder Type: Optional O-VF1 Optical Viewfinder (hotshoe mount)  
Focus Peaking: Yes 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): 3.0 3.0
Rear Display Resolution: 460,000 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: 16.0x 16.7x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 100
ISO Settings: Auto: ISO 100 to 12800 (1/3 EV steps); Bulb mode up to ISO 1600 Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE 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: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR, Night Snap, HDR, Quick Macro, Food, Pet, Kids, Surf&Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Digital filters (capture): Toy Camera, High Contrast, Shading, Slim, HDR, Invert Color, Extract Color, Color, Water Color, Posterization, Fish-eye); HDR Capture: Auto, HDR 1, HDR 2; Dynamic Range Adjustment: Highlight and/or Shadow correction Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur, HDR, Sweep Panorama
Self Timer: 2 or 12 seconds 2 , 10, 10 (3 or 5 frames) seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync Auto, Off, Fill-flash, Rear sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 4.9 m / 16.1 ft. 4.0 m / 13.1 ft.
Flash Range Description: Lens dependent. GN of ~7m at ISO 200. Lens dependent; GN=4 (ISO 100, m)
Max Flash Sync: 1/2000 1/160
Flash Exposure Compensation: -2 to +1 EV +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory: Eye-Fi  
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (DNG), RAW+JPEG RAW (ARW 2.3), RAW+JPEG
Movie File Format: MOV (AVC H.264) with monaural sound XAVC S / AVCHD 2.0 / MP4; Stereo Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: No memory included No memory included
Included Memory Type:    
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: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Optional wired or Wi-Fi
Connections (extended): Micro (Type D) HDMI Micro (Type-D) HDMI, Multi Micro USB
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.50 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): 5.0 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 5 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): 250 shots 400 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI68 Proprietary NP-FW50
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI68 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: Digital Camera Utility 5  
OS Compatibility: Windows Vista/7/8/8.1, Mac OS X 10.6+  
Miscellaneous
Notes & Features: New body, faster focusing, continuous AF in movies for Performance-series lenses with the exception of the 06 Telephoto Zoom. Also adds Antique and Fade Color effects, but removes Cross Processing and Watercolor effects. Available in 40 color combinations via Pentax's Color To Order system, of which four combinations are also available at retail. Available in black or white.