• 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • ISO 100 - 12,800
  • APS-C 369.0mm2
  • 24.2 megapixels
  • ISO 200 - 6400
  • Detailed specifications
  • Pentax Q-S1
  • Fujifilm X-A3
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax Q7
Q7 vs Q-S1
Fujifilm X-A2
X-A2 vs X-A3
Successor:   Fujifilm X-A5
X-A3 vs X-A5
General
Model Number: Q-S1 X-A3
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $499.95 $599.95
Street Price: $349.95 $549.00
Date Available: 2014-08-31 2016-10-15
Tripod Mount: Yes Yes
Weight: 7.2 oz (203 g)
includes batteries
18.8 oz (534 g)
includes batteries, kit lens
Size: 4.1 x 2.3 x 1.3 in.
(105 x 58 x 34 mm)
4.6 x 2.6 x 1.6 in.
(117 x 67 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 24.2
Sensor Format: 1/1.7 inch APS-C
Sensor size: 43.32mm2 (7.60mm x 5.70mm) 368.95mm2 (23.50mm x 15.70mm)
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 Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
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),
4242 x 2832 (12.0 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2384 (10.1 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
2832 x 2832 (8.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
9600 x 1440 (13.8 MP, Other),
2160 x 9600 (20.7 MP, Other),
6400 x 1440 (9.2 MP, Other),
2160 x 6400 (13.8 MP, Other)
Image File Format: JPEG (Exif 2.3), 12-bit RAW (DNG), RAW+JPEG JPEG (Exif Ver 2.3), .RAF RAW, RAW + JPEG
Continuous-mode frames/second: 5.0 5.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (30p/​25p/​24p)
640x480 (30p/​25p/​24p)
1920x1080 (60p/​50p/​24p)
1280x720 (60p/​50p/​24p)
Movie File Format: MOV (AVC H.264) with monaural sound H.264 (MOV) with stereo sound
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 Fujifilm X
Lens: 02 Standard Zoom smc Pentax 5-15mm f/2.8-4.5 ED AL [IF] FUJINON XC 16-50mm f/3.5-5.6 OIS II; 12 all glass elements in 10 groups including 3 aspherical elements and 1 ED element; 7 round-edged aperture blades
Focal Length (35mm equivalent): 23 - 69mm 24 - 76mm
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 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
15 cm to Infinity
5.9 in to Infinity
Macro Focus Range:    
Filter Thread: 40.5mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No
Digital Zoom Values:   n/a
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 Contrast Detection: Single point AF: 11x7 (Changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 77 areas on 11x7 grid, Wide/Tracking AF (up to 9 area)
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 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 16.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 6400
Minimum ISO (native): 100 200
ISO Settings: Auto: ISO 100 to 12800 (1/3 EV steps); Bulb mode up to ISO 1600 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600; AUTO1, AUTO2, AUTO3
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Custom1-3, Underwater
Shutter Speed Range: 1/8000 - 30 sec 1/32000 - 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 TTL 256-zones metering: Multi, Spot, Average
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 Scene: Portrait Enhancer, Landscape, Sports, Night; Film Simulation (PROVIA/STANDARD, Velvia/VIVID, ASTIA/SOFT, CLASSIC CHROME, PRO Neg Hi, PRO Neg. Std, MONOCHROME, MONOCHROME+Ye FILTER, MONOCHROME+R FILTER, MONOCHROME+G FILTER, SEPIA); Dynamic range setting: AUTO (100-400%), 100%, 200%, 400%; Multiple Exposure; Advanced Filters (Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Fish-eye, Soft focus, Cross screen, Partial color (Red / Orange / Yellow / Green / Blue / Purple)); Motion Panorama
Self Timer: 2 or 12 seconds 2, 10, Smile, Buddy, Group seconds
Time Lapse (intervalometer): Yes 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, Forced Flash, Suppressed Flash, Slow Synchr, Rear-curtain Synchro, Commander; Red-eye reduction available
Flash Guide Number (ISO 100): 4.9 m / 16.1 ft. 5.0 m / 16.4 ft.
Flash Range Description: Lens dependent. GN of ~7m at ISO 200. GN=5m (ISO 100) or 7m (ISO 200)
Max Flash Sync: 1/2000 1/180
Flash Exposure Compensation: -2 to +1 EV +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot shoe
Built-In Wireless Flash Control:   Trigger Only
Image Storage
Usable Memory Types: SD / SDHC / SDXC 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 .RAF RAW, RAW + JPEG
Movie File Format: MOV (AVC H.264) with monaural sound H.264 (MOV) with stereo sound
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No 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,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Wi-Fi or optional RR-90 wired remote
Connections (extended): Micro (Type D) HDMI Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.50 1.01
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.98
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.0 5.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 5 9
RAW shooting speed in burst mode (fps):   5.8
Buffer size for RAW shooting in burst mode (frames):   6
RAW+JPEG shooting speed in burst mode (fps):   5.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid):   0.37 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.194 seconds
Shutter lag (full AF, with flash):   0.43 seconds
Shutter Lag (prefocused):   0.048 seconds
Shutter Lag (notes):    
Startup Time:   2.0 seconds
Play -> Record Time:   1.5 seconds
Flash cycle time, full power:   3.4 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots 410 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI68 Proprietary NP-W126S
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI68 Lithium-ion rechargeable 1 x Proprietary NP-W126S 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 Viewer software, RAW File Converter, etc. available via download
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 Silver, Brown and Pink.