• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 4/3 224.9mm2
  • 12.8 megapixels
  • 24.00mm - 75.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-S1
  • Panasonic Lumix DMC-LX100
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Panasonic LX100 II
LX100 vs LX100 II
General
Model Number: K-S1 LX100
Alternate Model Number(s):    
Camera Format: SLR Mid-Sized
Currently Manufactured: No Yes
Retail Price: $799.95 $899.99
Street Price: $501.65 $597.99
Date Available: 2014-09-15 2014-10-31
Tripod Mount: Yes Yes
Weight: 27.0 oz (765 g)
includes batteries, kit lens
13.9 oz (393 g)
includes batteries
Size: 4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
4.5 x 2.6 x 2.2 in.
(115 x 66 x 55 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer:   Panasonic
Effective Megapixels: 20.1 12.8
Sensor Format: APS-C 4/3
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.29 microns 3.77 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 78 67
DxO Color Depth Score (bits): 23.5 22.3
DxO Dynamic Range Score (evs): 13.0 12.5
DxO Maximum Effective ISO Score (iso): 1,061 553
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)
4112 x 3088 (12.7 MP, 4:3),
4272 x 2856 (12.2 MP, 3:2),
4480 x 2520 (11.3 MP, 16:9),
3088 x 3088 (9.5 MP, 1:1),
2976 x 2232 (6.6 MP, 4:3),
3120 x 2086 (6.5 MP, 3:2),
3840 x 2160 (8.3 MP, 16:9),
2240 x 2240 (5.0 MP, 1:1),
2048 x 1536 (3.1 MP, 4:3),
2112 x 1408 (3.0 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1536 x 1536 (2.4 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.3), RAW, RAW + JPEG
Continuous-mode frames/second: 5.4 11.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
640x480 (30p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Composite Video Out: Yes
NTSC/PAL Switchable Video: n/a No
Video Usable as Viewfinder: n/a No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: smc Pentax-DA L 18-55mm f/3.5-5.6 AL LEICA DC VARIO-SUMMILUX; 11 elements in 8 groups (5 Aspherical Lenses / 8 Aspherical Surfaces / 2 Dual-sided Aspherical Surface ED Lenses)
Focal Length (35mm equivalent): 27 - 83mm 24 - 75mm
Focal Length (actual): 18 - 55mm 10.9 - 34mm
Zoom Ratio: 3.06x 3.13x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/1.7 (wide) / f/2.8 (tele) - f/16; 9 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   3 cm to Infinity
1.2 in to Infinity
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values:   Up to 4x at full resolution
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) Contrast Detection: 49-area, Custom Multi, 1-area (flexible / scalable), Pinpoint, Face/Eye Detection, Tracking
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 0.38-inch EVF (Live View Finder), 2764K-dots equivalent (field sequential), ~100% coverage, ~1.39x / 0.7x (35mm equiv.) magnification, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 921,600 dots
Viewfinder Magnification (35mm equivalent): 0.63x 0.70x
Viewfinder Magnification (nominal/claimed): 0.95x 1.39x
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) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 25600
Minimum ISO (native): 100 200
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, Intelligent ISO, ISO 200 - 25600, extendable to 100; 1 or 1/3 EV steps
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, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/6000 - 30 sec 1/16000 - 60 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 Intelligent Multiple, Center-weighted, Spot
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 Control: 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 (22 filters); Panorama
Self Timer: 2 or 12 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
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; 1st. Curtain Sync, 2nd Curtain Sync.
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 7.0
Flash Range Description: Depends on lens Bundled flash has GN=7m (ISO 100)
Max Flash Sync: 1/180 1/4000
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:    
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) RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
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 Via Wi-Fi
Connections (extended): Micro (Type D) HMDI Micro-B USB 2.0, Micro HDMI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.70
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.73
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.73
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.4 11.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 130
RAW shooting speed in burst mode (fps):   11.4
Buffer size for RAW shooting in burst mode (frames):   22
RAW+JPEG shooting speed in burst mode (fps):   11.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   21
Shutter lag (full AF, wide/mid):   0.18 seconds
Shutter lag (full AF, tele):   0.17 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.054 seconds
Shutter lag (full AF, with flash):   0.62 seconds
Shutter Lag (prefocused):   0.019 seconds
Shutter Lag (notes):    
Startup Time:   2.0 seconds
Play -> Record Time:   1.0 seconds
Flash cycle time, full power:   4.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   300 shots
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 270 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary
Usable Battery Types: Lithium-ion rechargeable 7.2v, 1025mAh 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: No
Software
Included Software: Digital Camera Utility 5 Software CD-ROM PHOTOfunSTUDIO 9.6PE, SILKYPIX Developer Studio, LoiLoScope (trial version), Adobe Reader
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. 16MP 4/3 sensor (12.8MP effective), 24-75mm eq. f/1.7-2.8 Leica lens, hi-res EVF, 11 fps full-res burst mode, 4K video recording, bundled external flash. Available in black or silver.