Pentax K-x versus Sigma DP1s comparison chart
Edit this comparison chartPentax K-xSigma DP1s
  • current rating is 2.54/5
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(13 ratings)
  • current rating is 2.63/5
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(8 ratings)
Resolution 12.9 Megapixel 14.06 Megapixel
Sensor size 23.6x15.8mm 20.7x13.8mm
Sensor type CMOS Foveon X3
Digital zoom No Yes
Built-in flash Yes Yes
Video out Yes Yes
Video recording Yes No
File formats JPEG, RAW, RAW - JPEG JPEG, RAW, RAW - JPEG
USB port USB 2.0 Hi-Speed USB 2.0 Hi-Speed
Firewire port No No
White balance Auto, Cloudy, Daylight, Flash, Fluorescent, Manual, Shade, Tungsten Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Manual
Self-timer Yes Yes
Bluetooth No No
Weight 515 g 240 g
Dimensions 122.5x91.5x67 mm 113x60x50 mm
Storage SDHC, Secure Digital SDHC, Secure Digital
Battery 4x AA Li-Ion
Minimum shutter speed Bulb+30 sec 15 sec
Maximum shutter speed 1/6000 sec 1/4000 sec
Maximum resolution 4288x2428 pixels 2640x1760x3 pixels
Minimum resolution 1728x1152 pixels 1296x864x3 pixels
Optical zoom No No
Auto focus Yes Yes
Manual focus Yes Yes
Flash modes anti red-eye, auto, fill in, off, slow flash anti red-eye, auto, fill in, off, slow flash
Aperture priority Yes Yes
Shutter priority Yes Yes
External flash Yes No
Exposure compensation -3EV - +3EV with 1/2 or 1/3EV steps -3EV - +3EV with 1/3EV steps
Video sound Yes No
Frames per second (fps) 24 0
Voice recording Yes No
Optical viewfinder Yes No
Electronic viewfinder No No
LCD size 2.7-inch 2.5-inch
LCD monitor Yes Yes
Metering modes Center weighted, Multi-segment, Spot Center weighted, Matrix, Multi-segment
ISO ratings (light sensitivity) auto, 100 - 12800 auto, 100, 200, 400

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