• 0.98 inch 285.7mm2
  • 4.7 megapixels
  • ISO 100 - 1600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 102,400
  • Detailed specifications
  • Sigma SD15
  • Pentax K-70
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-50
K-50 vs K-70
Successor:    
General
Model Number: SD15 K-70
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No Yes
Retail Price:   $649.95
Street Price: $1,500.00 $596.95
Date Available: 2010-06-30 2016-07-30
Tripod Mount: Yes Yes
Weight: 24.0 oz (680 g) 39.6 oz (1,122 g)
includes batteries, kit lens
Size: 5.7 x 4.2 x 3.2 in.
(144 x 107 x 81 mm)
4.9 x 3.7 x 2.9 in.
(126 x 93 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3  
Effective Megapixels: 4.7 24.2
Sensor Format: 0.98 inch APS-C
Sensor size: 285.66mm2 (20.70mm x 13.80mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 7.84 microns 3.92 microns
Focal Length Multiplier: 1.7x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 2640 x 1760 (4.6 MP, 3:2),
2640 x 1485 (3.9 MP, 16:9),
1872 x 1248 (2.3 MP, 3:2),
1312 x 880 (1.2 MP, Other)
6000 x 4000 (24.0 MP, 3:2),
4608 x 3072 (14.2 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.X3F) JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 3.0 6.1
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format:   MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sigma SA bayonet Pentax K (KA/KAF/KAF2/3/4)
Lens: n/a smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR
Focal Length (35mm equivalent):   27 - 203mm
Focal Length (actual):   18 - 135mm
Zoom Ratio:   7.50x
Aperture Range:   f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range:   40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 62.0mm
Thread Type: Varies with lens n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 5-point phase-difference detection SAFOX X TTL phase-matching - 11 points (9 cross type focus points in the center); Hybrid PD/CD AF in Live View with Face detection, Tracking, Multiple AF points, Select, Spot AF area modes
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 98% coverage, 0.9x mag. SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 22.3mm eyepoint (from center of lens), -2.5 to +1.5 diopter, interchangeable Natural-Bright-Matte III focusing screen
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.63x
Viewfinder Magnification (nominal/claimed): 0.90x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:   16.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 1600 102400
Minimum ISO (native): 100 100
ISO Settings: Auto (100-200), Auto with Flash (100-400), 50*, 100, 200, 400, 800,1600, 3200* (*Extended mode) Auto, 100-102400 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings)
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: 77-segment Evaluative, Center Weighted Average, Center Area, 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 Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum), Digital Filter (Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome ); Sensitivity Priority, Shutter & Aperture Priority; HDR (Auto, HDR1, HDR2, HDR3, Advanced HDR); D-RANGE Compensation (Highlight Correction, Shadow Correction); Pixel Shift Resolution (Motion Correction ON/OFF)
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No 24.0 megapixels
Flash
Built-in Flash: Yes Yes
Flash Modes: S-TTL; Forced On, Red-eye Reduction, Slow Sync, Slow Sync/Red-eye Reduction P-TTL; 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): 11.0 m / 36.1 ft. 12.0 m / 39.4 ft.
Flash Range Description: n/a GN=12m (ISO 100)
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: Microdrive / SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.X3F) 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format:   MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 Full (LOW) Speed,FireWire USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: RS-31 Wireless, CR-21 Wired Optional Wired or IR
Connections (extended): DC input Micro (Type D) HMDI, USB 2.0 Micro B, 3.5mm external stereo mic / cable switch jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   <0.3
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):   <0.3
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 3.0 6.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 21 47
RAW shooting speed in burst mode (fps):   6.1
Buffer size for RAW shooting in burst mode (frames):   11
RAW+JPEG shooting speed in burst mode (fps):   6.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   9
Shutter lag (full AF, wide/mid):   0.13 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.272 seconds
Shutter Lag (manual focus):   0.095 seconds
Shutter lag (full AF, with flash):   0.14 seconds
Shutter Lag (prefocused):   0.093 seconds
Shutter Lag (notes):    
Startup Time:   1.0 seconds
Play -> Record Time:   0.2 seconds
Flash cycle time, full power:   2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 250 shots 410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-21 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-21 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: Yes
Internal Charging Supported: No
Software
Included Software: Sigma Photo Pro 4.0 Software CD-ROM includes Digital Camera Utility 5
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: 14MP Foveon X3 Sensor, True II Processor.