• 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • ISO 100 - 12,800
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Pentax Q-S1
  • Fujifilm X-E4
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax Q7
Q7 vs Q-S1
Fujifilm X-E3
X-E3 vs X-E4
Successor:    
General
Model Number: Q-S1 X-E4
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $499.95 $849.95
Street Price: $349.95 $849.00
Date Available: 2014-08-31 2021-03-01
Tripod Mount: Yes Yes
Weight: 7.2 oz (203 g)
includes batteries
12.5 oz (354 g)
includes batteries
Size: 4.1 x 2.3 x 1.3 in.
(105 x 58 x 34 mm)
4.8 x 2.9 x 1.3 in.
(121 x 73 x 33 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 26.1
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 3.77 microns
Focal Length Multiplier: 4.6x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG X-Trans 4
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
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)
6240 x 4160 (26.0 MP, 3:2),
6240 x 3512 (21.9 MP, 16:9),
4160 x 4160 (17.3 MP, 1:1),
4416 x 2944 (13.0 MP, 3:2),
4416 x 2488 (11.0 MP, Other),
2944 x 2944 (8.7 MP, 1:1),
3120 x 2080 (6.5 MP, 3:2),
3120 x 1760 (5.5 MP, Other),
2080 x 2080 (4.3 MP, 1:1)
Image File Format: JPEG (Exif 2.3), 12-bit RAW (DNG), RAW+JPEG JPEG (v2.3); Compressed RAW, .RAF 14-bit RAW, uncompressed or lossless compression; RAW + JPEG; TIFF (8/16-bit)
Continuous-mode frames/second: 5.0 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (30p/​25p/​24p)
640x480 (30p/​25p/​24p)
4096x2160 (30p/​25p/​24p/​23.98p)
3840x2160 (30p/​25p/​24p/​23.98p)
2048x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (240p/​200p/​120p/​100p)
Movie File Format: MOV (AVC H.264) with monaural sound MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling); MP4 (MPEG-4 AVC/H.264, Audio: AAC)
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] n/a
Focal Length (35mm equivalent): 23 - 69mm  
Focal Length (actual): 5 - 15mm  
Zoom Ratio: 3.00x  
Aperture Range: f/2.8 (W) / f/4.5 (T) - f/8  
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 40.5mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom:
Digital Zoom Values:    
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 Phase/Contrast Detect AF: 425 selectable focus points, 2.16 million phase-detect pixels; Single point AF: EVF / LCD: 13x9 / 25x17 (changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 91 areas on 13x9 grid, Wide/Tracking AF: Up to 18 area; Face/Eye AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type: Optional O-VF1 Optical Viewfinder (hotshoe mount) EVF: 0.39-inch 2.36M-dot OLED with 100% coverage, 0.62x magnification (35mm format equivalent), 100fps refresh rate, 17.5mm eyepoint (from the rear end of the camera's eyepiece), -4 to +2 diopter adjustment, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,690,000 dots (1,230,000 pixels)
Viewfinder Magnification (35mm equivalent):   0.62x
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,620,000 dots (540,000 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 12800
Minimum ISO (native): 100 160
ISO Settings: Auto: ISO 100 to 12800 (1/3 EV steps); Bulb mode up to ISO 1600 AUTO (3) with selectable limits, ISO 160-12800, Extended output sensitivity equivalent to ISO 80, 100, 125, 25600 and 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE Auto (WHITE PRIORITY, AUTO, AMBIENCE PRIORITY), Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom (3), Color Temperature (2,500-10,000K)
Shutter Speed Range: 1/8000 - 30 sec 1/32000 - 900 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot TTL 256-zones metering; Multi, Spot, Average, Center-weighted
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 Film Simulation: PROVIA/Standard, Velvia/Vivid, ASTIA/Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, Black&White, Black&White+Ye Filter, Black&White+R Filter, Black&White+G Filter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter, ETERNA/Cinema, ETERNA/Bleach Bypass; Advanced Filter: Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Soft focus, Partial color (Red, Orange, Yellow, Green, Blue, Purple); Dynamic Range Setting: AUTO (100-400%), 100%, 200%, 400%; Dynamic Range Priority: Off, Auto, Weak, Strong; Panorama
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync Red-eye removal OFF: Auto, Forced Flash, Suppressed Flash, Slow Synchro, Rear-curtain Synchro. Red-eye removal ON: Red-eye Reduction Auto, Red-eye Reduction & Forced Flash, Suppressed Flash, Red-eye Reduction & Slow Synchro, Red-eye Reduction & Rear-curtain Synchro.
Flash Guide Number (ISO 100): 4.9 m / 16.1 ft. 8.0 m / 26.2 ft.
Flash Range Description: Lens dependent. GN of ~7m at ISO 200. n/a
Max Flash Sync: 1/2000 1/250
Flash Exposure Compensation: -2 to +1 EV +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control:   Full TTL exposure
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 14-bit RAW, uncompressed or lossless compression; RAW + JPEG; TIFF (8/16-bit)
Movie File Format: MOV (AVC H.264) with monaural sound MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling); MP4 (MPEG-4 AVC/H.264, Audio: AAC)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Wi-Fi and Bluetooth
Connections (extended): Micro (Type D) HDMI USB Type-C (USB3.2 Gen1x1), Micro HDMI (Type D), 3.5mm stereo mic jack, USB-C-to-3.5mm headphone adapter included
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  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 5  
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  
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 No
Dedicated Battery Charger Included:
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.