| Attribute |
Sigma SD15 × | 
Nikon KeyMission 170 × |
| General | | |
| Model | Sigma SD15 | Nikon KeyMission 170 |
| Brand | Sigma | Nikon |
| Manufacturer url | https://www.sigmaphoto.com/ | https://www.nikonusa.com/ |
| Model number | SD15 | 170 |
| Camera format | SLR | Action Camera |
| Release year (year) | 2010 | 2016 |
| Tripod mount | + | + |
| Length (mm) | 144 | 66 |
| Width (mm) | 81 | 43 |
| Height (mm) | 107 | 47 |
| Weight (g) | 680 | 135 |
| Waterproof | - | + |
| Waterproof depth (m) | - | 30 |
| Image Sensor | | |
| Sensor type | CMOS | CMOS |
| Sensor manufacturer | Foveon X3 | - |
| Effective megapixels (MP) | 4.7 | 8.3 |
| Sensor format | 0.98 inch | 1/2.3 inch |
| Sensor area (mm²) | 285.66 | 28.07 |
| Sensor width (mm) | 20.7 | 6.17 |
| Sensor height (mm) | 13.8 | 4.55 |
| Approximate pixel pitch (micron) | 7.84 | 1.61 |
| Focal Length Multiplier (x) | 1.7 | - |
| Aspect ratio | 3:2 | 4:3 |
| Color filter type | Full Color | RGBG |
| Anti aliasing filter | Not needed | None |
| Self-cleaning | - | - |
| Sensor shift image stabilization | - | - |
| On-sensor phase detect | - | - |
| Image Capture | | |
| Image resolution | - 1312 x 880(1.2 mp other)
- 1872 x 1248(2.3 mp 3:2)
- 2640 x 1485(3.9 mp 16:9)
- 2640 x 1760(4.6 mp 3:2)
| |
| Image file format | - 12-bit raw (.x3f)
- jpeg (exif 2.21)
| |
| Continuous-mode (fps) | 3 | - |
| Video Capture | | |
| Can take movies | - | + |
| Movie resolution | - | - 1280x720
- 1920x1080
- 1920x1080
- 3840x2160
|
| Movie max framerate (fps) | - | 240 |
| Image Storage | | |
| Movie file format | - | MOV (Video: H.264/MPEG-4 AVC, Audio: AAC Stereo) |
| Composite video out | + | - |
| Ntsc/pal switchable video | + | - |
| Video usable as viewfinder | - | - |
| Hd video out | - | + |
| Hd video connection | - | HDMI |
| Lens and Optics | | |
| Lens mount | Sigma SA bayonet | - |
| Lens | - | Single fixed focus, fixed aperture lens produces 170 degree angle of view |
| Focal length (35mm equivalent) (mm) | - | 15.00 |
| Focal length (actual) (mm) | - | 4.00 |
| Zoom ratio (x) | - | 1 |
| Aperture range (f) | - | 0.36 |
| Integrated nd filter | - | - |
| Min focus range (cm) | - | 40 |
| Thread type | Varies with lens | - |
| Optical image stabilization | - | - |
| Digital zoom | - | - |
| Auto Focus | | |
| Auto focus | + | - |
| Auto focus type | 5-point phase-difference detection | - |
| Auto focus assist light | + | - |
| Manual focus | + | - |
| Viewfinder | | |
| Viewfinder | Optical / LCD(playback only) | No / LCD |
| Viewfinder type | SLR type; eye-level pentaprism, 98% coverage, 0.9x mag. | - |
| Focus peaking | - | - |
| Viewfinder magnification (35mm equivalent) (x) | 0.53 | - |
| Viewfinder magnification (nominal/claimed) (x) | 0.9 | - |
| Display | | |
| Eye-level viewfinder | + | - |
| Rear display | + | + |
| Rear display size (inch) | 3 | 1.5 |
| Rear display resolution (dots) | 460,000 | 345,000 |
| Touchscreen | - | - |
| Articulating screen | - | - |
| Tilt swivel screen | - | - |
| Selfie screen | - | - |
| Top deck display | + | - |
| Exposure | | |
| Maximum iso (native) | 1,600 | 1,600 |
| 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, 100-1600 |
| Auto iso mode | + | + |
| White balance settings | - auto
- custom
- flash
- fluorescent
- incandescent
- overcast
- shade
- sunlight
| |
| Shutter speed range (s) | 1/4000 - 30 | 1/16000 - 1/2 |
| Bulb mode | + | + |
| Exposure compensation | +/- 3.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Explosure metering modes | 77-segment Evaluative, Center Weighted Average, Center Area, Spot | Matrix, center-weighted |
| Program auto exposure | + | + |
| Aperture priority | + | - |
| Shutter priority | + | - |
| Full manual exposure | + | - |
| Creative exposure modes | - | TBA |
| Self timer (s) | | - |
| High resolution composite | - | - |
| Flash | | |
| Built-in flash | + | - |
| Flash modes | - forced on
- red-eye reduction
- s-ttl
- slow sync
- slow sync/red-eye reduction
| - |
| Flash guide number (iso 100) (m) | 11 | - |
| Max flash sync (s) | 1/180 | - |
| Flash exposure compensation | +/- 3.0 EV in 0.3EV steps | - |
| External flash connection | Hot Shoe | - |
| Built-in wireless flash control | - | - |
| Usable memory types | | - microsd
- microsdhc
- microsdx
|
| Dual card slots | - | - |
| Raw capture support | + | - |
| Uncompressed format | | - |
| Included memory (MB) | - | 0 |
| Connectivity | | |
| Built-in wi-fi | - | + |
| NFC | - | + |
| Bluetooth | - | + |
| Built-in gps | - | - |
| Microphone jack | - | - |
| Headphone jack | - | - |
| External connections | - firewire
- usb 2.0 full (low) speed
| - bluetooth
- usb 2.0 high speed
- wifi
|
| Pictbridge compliant | - | - |
| Dpof compliant | - | + |
| Remote control | + | + |
| Remote control type | - cr-21 wired
- rs-31 wireless
| - via wi-fi/bluetooth or included remote control
|
| Connections (extended) | | - micro hdmi (type-d)
- micro usb 2.0
|
| Performance Timing | | |
| Jpeg shooting speed in burst mode (max resolution) (fps) | 3 | - |
| Buffer size for jpeg shooting in burst mode (max resolution) (frames) | 21 | - |
| Power | | |
| Battery life, stills (cipa rating monitor/live view) (shots) | - | 250 |
| Battery life, still (cipa rating ovf/evf) (shots) | 250 | - |
| Battery life, video (minutes) | - | 60 |
| Battery form factor | Proprietary BP-21 | Proprietary EN-EL12 |
| Usable battery types | | |
| Batteries included | 1 x Proprietary BP-21 Lithium-ion rechargeable | 1x Proprietary EN-EL12 lithium-ion rechargeable |
| Battery charger included (dedicated charger or ac/usb adapter) | + | + |
| Dedicated battery charger included | - | - |
| Internal charging supported | - | + |
| Software | | |
| Included software | | - keymission 360/170 utility program for pc and mac
- none; free downloads: nikon snapbridge 360/170 app for ios and android devices
|
| Os compatibility | | - |
| Miscellaneous | | |
| Notes and features | 14MP Foveon X3 Sensor, True II Processor. | Captures 170 degree stills and video up to 4K UHD, electronic Vibration Reduction (4K not supported) |