• 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • ISO 100 - 12,800
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 24.00mm - 840.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Q-S1
  • Nikon Coolpix A900
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax Q7
Q7 vs Q-S1
Nikon S9900
S9900 vs A900
Successor:   Nikon A1000
A900 vs A1000
General
Model Number: Q-S1 A900
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact
Currently Manufactured: No Yes
Retail Price: $499.95 $399.95
Street Price: $349.95 $396.95
Date Available: 2014-08-31 2016-04-15
Tripod Mount: Yes Yes
Weight: 7.2 oz (203 g)
includes batteries
10.2 oz (289 g)
includes batteries
Size: 4.1 x 2.3 x 1.3 in.
(105 x 58 x 34 mm)
4.4 x 2.6 x 1.6 in.
(113 x 67 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   BSI
Effective Megapixels: 12.4 20.2
Sensor Format: 1/1.7 inch 1/2.3 inch
Sensor size: 43.32mm2 (7.60mm x 5.70mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.90 microns 1.19 microns
Focal Length Multiplier: 4.6x n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
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)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (Exif 2.3), 12-bit RAW (DNG), RAW+JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: 5.0 7.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (30p/​25p/​24p)
640x480 (30p/​25p/​24p)
3840x2160 (30p/​25p)
1920x1080 (60p/​50p/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (120p/​100p)
1280x720 (60p/​30p)
1920x1080 (15p/​12.5p)
Movie File Format: MOV (AVC H.264) with monaural sound MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
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 n/a
Lens: 02 Standard Zoom smc Pentax 5-15mm f/2.8-4.5 ED AL [IF] Zoom-Nikkor; 13 elements in 11 groups including 4 ED lens elements
Focal Length (35mm equivalent): 23 - 69mm 24 - 840mm
Focal Length (actual): 5 - 15mm 4.3 - 151mm
Zoom Ratio: 3.00x 35.00x
Aperture Range: f/2.8 (W) / f/4.5 (T) - f/8 f/3.4 (wde) / f/6.9 (tele) - ??; 3-blade iris diaphragm
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   1 cm to Infinity
0.4 in to Infinity
Filter Thread: 40.5mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values:   Up to 4x; up to 2x Dynamic Fine 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 Contrast Detection: Center, Face priority, Manual with 99 focus areas, Subject tracking, Target finding AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type: Optional O-VF1 Optical Viewfinder (hotshoe mount)  
Focus Peaking: Yes No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.00x
Viewfinder Magnification (nominal/claimed):   0.00x
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 No
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 1600
Minimum ISO (native): 100 80
ISO Settings: Auto: ISO 100 to 12800 (1/3 EV steps); Bulb mode up to ISO 1600 Auto, ISO 80 - 1600; ISO 3200 (available when using P, S, A or M mode)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Preset Manual
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 8 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Matrix, 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 Scene Modes: Backlighting, Beach, Close-up, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Multiple Exposure Lighten, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Scene Auto Selector, Snow, Sports, Sunset, Superlapse Movie; Smart Portrait, Special Effects
Self Timer: 2 or 12 seconds 10 , 5 or 2 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, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off; Slow Syncro
Flash Guide Number (ISO 100): 4.9 m / 16.1 ft. n/a
Flash Range Description: Lens dependent. GN of ~7m at ISO 200. Auto ISO: [W]: 0.5 to 6.0m (1 ft. 8 in. to 19 ft.), [T]: 1.5 to 3.2m (5 ft. to 11 ft.)
Max Flash Sync: 1/2000  
Flash Exposure Compensation: -2 to +1 EV  
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory: Eye-Fi  
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (DNG), RAW+JPEG  
Movie File Format: MOV (AVC H.264) with monaural sound MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
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,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Via Wi-Fi
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  
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):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution): 5.0 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 5 7
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots 270 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:   50 minutes
Battery Form Factor: Proprietary D-LI68 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI68 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: 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 silver and black.