• 35mm 855.6mm2
  • 24.3 megapixels
  • 35.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Cyber-shot DSC-RX1
  • Pentax K-S1
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony RX1R II
RX1 vs RX1R II
 
General
Model Number: RX1 K-S1
Alternate Model Number(s):    
Camera Format: Mid-Sized SLR
Currently Manufactured: No No
Retail Price: $2799.99 $799.95
Street Price: $2,398.00 $501.65
Date Available: 2012-12-15 2014-09-15
Tripod Mount: Yes Yes
Weight: 17.6 oz (498 g)
includes batteries
27.0 oz (765 g)
includes batteries, kit lens
Size: 4.5 x 2.6 x 2.7 in.
(113 x 65 x 70 mm)
4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.3 20.1
Sensor Format: 35mm APS-C
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 5.97 microns 4.29 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 93 78
DxO Color Depth Score (bits): 25.1 23.5
DxO Dynamic Range Score (evs): 14.3 13.0
DxO Maximum Effective ISO Score (iso): 2,534 1,061
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2624 (10.3 MP, 3:2),
3936 x 2216 (8.7 MP, 16:9),
2640 x 1760 (4.6 MP, 3:2),
2640 x 1488 (3.9 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
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 (EXIF 2.3), 14-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 5.1 5.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC 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 Sonnar T* 2/35mm (fixed); 8 elements in 7 groups, 3 aspherical elements, 9 aperture blades smc Pentax-DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 35mm 27 - 83mm
Focal Length (actual): 35mm 18 - 55mm
Zoom Ratio: 1.00x 3.06x
Aperture Range: f/2 - f/22 f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 20 - 35 cm
7.9 - 13.8 in
 
Filter Thread: 49.0mm 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: Up to 2x Clear Image Zoom, Up to 4x standard digital zoom, 1.4x/2.0x Digital Teleconverter, up to 9.1x Smart digital zoom at lower resolutions  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Multi point AF (25 points) / Center / Flexible Spot SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type: Optional Clip-on Viewfinders: FDA-V1K Optical Viewfinder, FDA-EV1MK Electronic Viewfinder SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: Yes 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: 1,228,800 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: 16.7x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 51200
Minimum ISO (native): 100 100
ISO Settings: ISO 100-25600 (1/3 EV steps, expandable to 50/64/80), Auto (100-25600 with selectable upper/lower limits); Multi Frame NR: 100-102400 (1 EV steps), Auto (100-25600 with selectable upper/lower limits) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp, Color Filter, Custom 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: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot TTL open-aperture: 77 segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene modes: Portrait, Landscape, Sports, Sunset, Night Portrait, Night Scene, Hand-held Twilight; Sweep Panorama; Effects: Toy Camera, Pop Colour, Posterisation, Retro Photo, Soft High-key, Partial Colour, High Contrast Monochrome, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration 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 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Fill-flash, Slow Sync, Rear Sync, Off, Wireless; Red-eye reduction: On/Off 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): 6.0 10.0 m / 32.8 ft.
Flash Range Description: ISO Auto: 0.75m to 21.7m / 2.5 ft. to 71.2 ft. Depends on lens
Max Flash Sync: 1/4000 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Multi Interface Hot Shoe 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: No UHS support UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (ARW 2.3), RAW+JPEG 12-bit RAW (.PEF, .DNG)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MPEG-4 AVC/H.264 (MOV)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Threaded cable release Optional IR
Connections (extended): Micro HDMI (Type D), 3.5mm stereo microphone jack Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.89  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.93  
Buffer size for RAW shooting in single shot mode (frames): 10  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.04  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.1 5.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 20
RAW shooting speed in burst mode (fps): 5.2  
Buffer size for RAW shooting in burst mode (frames): 15  
RAW+JPEG shooting speed in burst mode (fps): 5.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 12  
Shutter lag (full AF, wide/mid): 0.27 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.038 seconds  
Shutter lag (full AF, with flash): 0.38 seconds  
Shutter Lag (prefocused): 0.016 seconds  
Shutter Lag (notes): Full Autofocus, Multi-area AF mode = 0.272s  
Startup Time: 1.7 seconds  
Play -> Record Time: 1.5 seconds  
Flash cycle time, full power: 8.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 220 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-BX1 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-BX1 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: No
Internal Charging Supported: Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) Digital Camera Utility 5 Software CD-ROM
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only  
Miscellaneous
Notes & Features: World's First Full-Frame Compact Digital Camera. 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.