• 1/2.3 inch 28.1mm2
  • 16.2 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Cyber-shot DSC-TX20
  • Pentax K-S1
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: TX20 K-S1
Alternate Model Number(s):    
Camera Format: Ultra Compact SLR
Currently Manufactured: No No
Retail Price: $329.99 $799.95
Street Price: $369.62 $501.65
Date Available: 2012-05-15 2014-09-15
Tripod Mount: Yes Yes
Weight: 4.7 oz (133 g)
includes batteries
27.0 oz (765 g)
includes batteries, kit lens
Size: 3.8 x 2.2 x 0.7 in.
(96 x 56 x 18 mm)
4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
Waterproof: Yes No
Waterproof Depth:   n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Exmor R  
Effective Megapixels: 16.2 20.1
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 1.34 microns 4.29 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No 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: 4608 x 3456 (15.9 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
10480 x 4096 (42.9 MP, Other),
7512 x 1080 (8.1 MP, Other),
4912 x 1920 (9.4 MP, Other),
4912 x 1080 (5.3 MP, Other),
3424 x 1920 (6.6 MP, 16:9)
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)
Image File Format: JPEG, MPF JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 10.0 5.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i(FX))
1920x1080 (60i(FH))
1440x1080 (60i(HQ))
1440x1080 (30p)
1280x720 (30p)
640x480 (30p)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: AVCHD Ver 2.0 or MP4; with stereo audio MPEG-4 AVC/H.264 (MOV)
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: n/a Pentax K (KA/KAF/KAF2)
Lens: Carl Zeiss Vario-Tessar 12 elements in 10 groups (including 6 aspheric elements) smc Pentax-DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 25 - 100mm 27 - 83mm
Focal Length (actual): 4.4 - 17mm 18 - 55mm
Zoom Ratio: 4.00x 3.06x
Aperture Range: f/3.5 (W) - f/4.8 (T) f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range: 8 cm to Infinity
3.1 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 1 cm to Infinity
0.4 in to Infinity
 
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes
Digital Zoom Values: Up to 2x Clear Image, up to 4x Precision, up to 57x Smart Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection AF: Multi-point, Center-weighted, Spot, Flexible Spot; Tracking, Face Tracking SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type:   SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.63x
Viewfinder Magnification (nominal/claimed):   0.95x
Display
Eye-level Viewfinder: No 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: Yes No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 3200 51200
Minimum ISO (native): 125 100
ISO Settings: Auto, 125, 200, 400, 800, 1600, 3200 Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Fluorescent 1/2/3, Incandescent, Flash, Underwater, One Push 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
Shutter Speed Range: 1/1600 - 4 sec 1/6000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-pattern, Center-weighted, Spot TTL open-aperture: 77 segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Background Defocus, Scene (High Sensitivity, Night Scene, Handheld Twilight, Night Portrait, Landscape, Soft Snap, Soft Skin, Anti Motion Blur, Backlight Correction HDR, Beach, Snow, Fireworks, Hispeed Shutter, Underwater, Gourmet, Pet Mode), Picture Effect (HDR Painting, Richtone Monochrome, Miniature, Toy camera, Pop Color, Partial Color, Soft High-key), 3D (3D Still Image, 3D Sweep Panorama, Sweep Multi Angle), Panorama (Intelligent Sweep Panorama, Underwater Sweep Panorama) 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
Self Timer: 2, 10, Portrait1, Portrait2 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash On, Slow Syncro, Flash Off; Red-eye Reduction: On/Off/Auto 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)
Flash Guide Number (ISO 100): n/a 10.0 m / 32.8 ft.
Flash Range Description: ISO Auto: Approx. 0.08 - 3.7m (W) / Approx. 0.5 - 2.7m (T) Depends on lens
Max Flash Sync:   1/180
Flash Exposure Compensation:   -2 to +1 EV in 0.5EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   12-bit RAW (.PEF, .DNG)
Movie File Format: AVCHD Ver 2.0 or MP4; with stereo audio MPEG-4 AVC/H.264 (MOV)
Included Memory: 19.0 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No No
NFC: No No
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
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional IR
Connections (extended): MultiType3b (AV/USB/DC IN), Mini HDMI (Type C) Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.99  
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): 10.0 5.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 20
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): 0.29 seconds  
Shutter lag (full AF, tele): 0.30 seconds  
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): 0.015 seconds  
Shutter Lag (notes):    
Startup Time: 1.2 seconds  
Play -> Record Time:    
Flash cycle time, full power: 6.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-BN/NP-BN1 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-BN Lithium-ion rechargeable 1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   Digital Camera Utility 5 Software CD-ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Water-proof (up to 5m or 16 feet), Dust-proof, Shock-proof (up to 1.5m or 5ft) and Freeze-proof (down to 14F), Optical Image Stabilization, Full HD Movies, Dual Record captures 12MP stills during movies, 7 Picture Effect options. Available in orange, green, black, blue or pink. 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.