• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Pentax K-S1
  • Panasonic Lumix DC-S5 II
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Panasonic S5
S5 vs S5 II
Successor:    
General
Model Number: K-S1 S5 II
Alternate Model Number(s):   LUMIX S5II
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $799.95 $1999.99
Street Price: $501.65  
Date Available: 2014-09-15 2023-01-04
Tripod Mount: Yes Yes
Weight: 27.0 oz (765 g)
includes batteries, kit lens
25.2 oz (714 g)
includes batteries
Size: 4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
5.2 x 3.8 x 3.2 in.
(133 x 97 x 82 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 20.1 24.2
Sensor Format: APS-C 35mm
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 4.29 microns 5.93 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
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),
4272 x 2848 (12.2 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
5328 x 4000 (21.3 MP, 4:3),
3792 x 2848 (10.8 MP, 4:3),
2688 x 2016 (5.4 MP, 4:3),
6000 x 3368 (20.2 MP, 16:9),
4272 x 2400 (10.3 MP, 16:9),
3024 x 1704 (5.2 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2848 x 2848 (8.1 MP, 1:1),
2016 x 2016 (4.1 MP, 1:1),
6000 x 2208 (13.2 MP, Other),
6000 x 3000 (18.0 MP, Other),
12000 x 8000 (96.0 MP, 3:2),
10656 x 8000 (85.2 MP, 4:3),
12000 x 6736 (80.8 MP, 16:9),
8000 x 8000 (64.0 MP, 1:1),
6000 x 2208 (13.2 MP, Other),
6000 x 3000 (18.0 MP, Other)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (Exif 2.31), HLG Photo, 14-bit RAW, RAW + JPEG
Continuous-mode frames/second: 5.4 30.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
6144x3160 (30p/​24p)
5888x3312 (30p/​24p)
3840x2160 (60p/​30p/​24p)
3328x2496 (30p/​24p)
1920x1080 (60p/​30p/​24p)
1920x1080 (180p/​150p/​120p/​100p/​60p/​30p/​15p/​10p/​5p/​2p/​1p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MP4: H.264/MPEG-4 AVC (Audio format: LPCM (2ch 48kHz/16-bit), AAC (2ch)); MP4 HEVC: H.265/HEVC (Audio format: AAC (2ch))
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) L Mount
Lens: smc Pentax-DA L 18-55mm f/3.5-5.6 AL Panasonic LUMIX S 20-60mm F3.5-5.6
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm 20 - 60mm
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/3.5-5.6
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
15 cm to Infinity
5.9 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values:   2.0x (EX S), 1.4x (EX M)
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 AF with Phase Detection & Contrast Detection plus DFD and AI subject recognition: Auto Detection (Face, Eye, Head, Body, Animal) / Tracking / 225-Area / Zone (Vertical/Horizontal) / Zone (Square) / Zone (Oval) / 1-Area+ / 1-Area / Pinpoint / Custom 1, 2, 3 (Full area touch is available) (Scalable AF frame size and flexible AF position)
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 3,680K-dot 3:2 OLED, 100% coverage, 0.78x magnification, 20mm eyepoint, -4.0 to +4.0 diopter adjustment, eye sensor, 60/120fps refresh rate, 0.005s lag
Focus Peaking: Yes Yes
EVF Resolution: n/a 5,760,000 dots
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 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 1,840,000 dots (613,333 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x  
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 51200 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, 100-51200, expandable to 50-204800
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 AWB, AWBc, AWBw, Daylight, Cloudy, Shade, Incandescent, Flash, White Set (4), Color temperature setting (4)
Shutter Speed Range: 1/6000 - 30 sec 1/8000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot 1,728-zone Multiple, Center Weighted, Spot, Highlight Weighted
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 Filters: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome*, Silky Monochrome*, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus*, Fantasy, Star Filter*, One Point Color, Sunshine* (*For photos only).
Self Timer: 2 or 12 seconds 10s, 3 images / 2s / 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No 96.0 megapixels
Flash
Built-in Flash: Yes No
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 / Auto/Red-eye Reduction / Forced On / Forced On/Red-eye Reduction / Slow Sync. / Slow Sync./Red-eye Reduction / Forced Off *For iA only.
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/250 (up to 1/320 at reduced power with DMW-FL580L)
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory: UHS-I compliant  
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) 14-bit RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) MP4: H.264/MPEG-4 AVC (Audio format: LPCM (2ch 48kHz/16-bit), AAC (2ch)); MP4 HEVC: H.265/HEVC (Audio format: AAC (2ch))
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 Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Optional wired or via Wi-Fi/Bluetooth
Connections (extended): Micro (Type D) HMDI USB-C, HDMI (Type D), 3.5mm microphone jack, 3.5mm headphone jack, 2.5mm remote jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
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): 5.4 30.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 200
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):    
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary 7.2V, 2200mAh
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Digital Camera Utility 5 Software CD-ROM  
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.