• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K-S1
  • Canon EOS M50
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: K-S1 EOS M50
Alternate Model Number(s):   M50
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $799.95 $799.99
Street Price: $501.65 $579.00
Date Available: 2014-09-15 2018-04-15
Tripod Mount: Yes Yes
Weight: 27.0 oz (765 g)
includes batteries, kit lens
17.1 oz (484 g)
includes batteries, kit lens
Size: 4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
4.6 x 3.5 x 2.3 in.
(116 x 88 x 59 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 20.1 24.2
Sensor Format: APS-C APS-C
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 4.29 microns 3.72 microns
Focal Length Multiplier: 1.5x 1.6x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 78  
DxO Color Depth Score (bits): 23.5  
DxO Dynamic Range Score (evs): 13.0  
DxO Maximum Effective ISO Score (iso): 1,061  
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 2240 (6.7 MP, 4:3),
2398 x 1344 (3.2 MP, 16:9),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.3), .CR3 14-bit RAW, C-RAW, RAW+JPEG
Continuous-mode frames/second: 5.4 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
3840x2160 (24p/​25p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (120p/​100p/​60p/​50p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MP4 (Video: MPEG-4 AVC / H.264; Audio: MPEG-4 AAC-LC (stereo))
Composite Video Out: No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Canon EF-M
Lens: smc Pentax-DA L 18-55mm f/3.5-5.6 AL Canon EF-M 15-45mm f/3.5-6.3 IS STM
Focal Length (35mm equivalent): 27 - 83mm 24 - 72mm
Focal Length (actual): 18 - 55mm 15 - 45mm
Zoom Ratio: 3.06x 3.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/3.5 - f/22 (W) / f/6.3 - f/40 (T)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 49.0mm
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: SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) Hybrid PDAF/CDAF: Dual Pixel CMOS AF; 143/99 points, Face+Tracking AF, Zone AF, 1-point AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter 0.39"-type 2.36m-dot OLED EVF, 100% coverage, 22mm eyepoint, diopter correction, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 2,360,000 dots (786,666 pixels)
Viewfinder Magnification (35mm equivalent): 0.63x  
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 1,620,000 dots (540,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 25600
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto (100-6400), 100 - 25600 in 1/3 or 1EV steps, expandable to 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature Auto (Ambience and White Priority), Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Color Temperature, Custom
Shutter Speed Range: 1/6000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot Evaluative (384 zone), Center-weighted, Partial (6.4%), Spot (2.8%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3 Creative Assist, Scene (Self-Portrait, Portrait, Smooth Skin, Landscape, Close-up, Sports, Food, Panning, Handheld Night Scene, HDR Backlight Control, Silent Mode); Creative Filters (Grainy B/W, Soft Focus, Fish-eye Effect, Water Painting Effect, Toy Camera Effect, Miniature Effect, HDR Art (Standard/Vivid/Bold/Embossed)); Movie (Movie auto exposure, Movie manual exposure, Time-lapse movie)
Self Timer: 2 or 12 seconds 10, 2 or custom seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) Auto (E-TTL II), Manual Flash On/Off (3 flash power output settings); Slow Synchro; FE Lock, Red-eye Reduction
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 5.0 m / 16.4 ft.
Flash Range Description: Depends on lens GN= 5m (16.4 ft.) at ISO 100; range depends on lens aperture
Max Flash Sync: 1/180 1/200
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory: UHS-I compliant  
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) .CR3 14-bit RAW, C-RAW, RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) MP4 (Video: MPEG-4 AVC / H.264; Audio: MPEG-4 AAC-LC (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 Yes
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 Wi-Fi/Bluetooth
Connections (extended): Micro (Type D) HMDI Micro USB, Micro (Type-D) HDMI, 3.5mm external mic jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.35
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):   0.38
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.4 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 36
RAW shooting speed in burst mode (fps):   10.0
Buffer size for RAW shooting in burst mode (frames):   10
RAW+JPEG shooting speed in burst mode (fps):   10.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   10
Shutter lag (full AF, wide/mid):   0.07 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.060 seconds
Shutter lag (full AF, with flash):   0.14 seconds
Shutter Lag (prefocused):   0.053 seconds
Shutter Lag (notes):    
Startup Time:   1.6 seconds
Play -> Record Time:   0.8 seconds
Flash cycle time, full power:   3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   235 shots
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 235 shots
Battery Life, Video:   85 minutes
Battery Form Factor: Proprietary D-LI109 Proprietary
Usable Battery Types: Lithium-ion rechargeable LP-E12 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary LP-E12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Digital Camera Utility 5 Software CD-ROM No disc is included; Canon software can be downloaded from their website.
OS Compatibility:    
Miscellaneous
Notes & Features: The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black. Available in black or white.