• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 12,800
  • Detailed specifications
  • Nikon D3100
  • Pentax K-r
Links
Prices:    
Manufacturer URL: Manufacturer website
Nikon D3100 webpage
Manufacturer website
Predecessor:   Pentax K-x
K-x vs K-r
Successor: Nikon D3200
D3100 vs D3200
 
General
Model Number: D3100 K-r
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $699.95 $849.95
Street Price:    
Date Available: 2010-09-15 2010-10-15
Tripod Mount: Yes Yes
Weight: 27.4 oz (777 g)
includes batteries, kit lens
30.1 oz (852 g)
includes batteries, kit lens
Size: 4.9 x 3.8 x 2.9 in.
(125 x 97 x 74 mm)
4.9 x 3.8 x 2.7 in.
(125 x 97 x 68 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 14.2 12.4
Sensor Format: APS-C APS-C
Sensor size: 355.74mm2 (23.10mm x 15.40mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.01 microns 5.53 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 67 72
DxO Color Depth Score (bits): 22.5 22.9
DxO Dynamic Range Score (evs): 11.3 12.4
DxO Maximum Effective ISO Score (iso): 919 750
Image Capture
Image Resolution: 4608 x 3072 (14.2 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2)
4288 x 2848 (12.2 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), RAW (12-bit .NEF), RAW+JPEG JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 2.9 5.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24)
1280x720 (30/​25/​24)
640x424 (24)
1280x720 (25)
640x480 (25)
Movie File Format: MOV H.264/MPEG-4 AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Nikon F Pentax K (KA/KAF/KAF2/3)
Lens: Nikkor AF-S DX 18-55mm f/3.5-5.6G VR smc Pentax DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 27 - 83mm 27 - 84mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.00x 3.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/3.5 - 22 (W), f/5.6 - 38 (T)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Nikon Multi-CAM 1000 11-Area Phase Detection, 1 cross-type, 9 line-type SAFOX IX TTL phase-detect 11-point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 18mm eyepoint, -1.7 to +0.5 diopter SLR type; eye-level pentamirror, ~96% coverage, ~0.85x mag., -2.5 to +1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.57x
Viewfinder Magnification (nominal/claimed): 0.80x 0.85x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 230,000 dots 921,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 27.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 3200 12800
Minimum ISO (native): 100 200
ISO Settings: 100 - 3,200; expandable to 12800 Auto: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600; Manual: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual;all except Preset Manual with fine tuning Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, CTE, Manual
Shutter Speed Range: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 420 segment 3D color matrix metering II, color matrix metering II, center-weighted, spot (3.5mm) 16-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: Portrait, Landscape, Child, Sports, Close up, Night portrait Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG], Night Scene HDR [JPG]), Sensitivity Priority
Self Timer: 10 or 2 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Red-Eye Reduction, Red-Eye Reduction with Slow Sync, Slow Sync, Rear-Curtain Sync. On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent Depends on lens
Max Flash Sync: 1/200 1/180
Flash Exposure Compensation: -3 to +1 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: ISO hot shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit .NEF), RAW+JPEG 12-bit RAW (.PEF, .DNG)
Movie File Format: MOV H.264/MPEG-4 AVI (Motion JPEG)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
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: Optional, MC-DC2 corded Optional IR
Connections (extended): Type C mini-HDMI with CEC, Accessory Terminal (MC-DC2 remote cord or GP-1 GPS unit) IrSimple infrared data transfer
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.55 0.31
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54 0.31
Buffer size for RAW shooting in single shot mode (frames): Unlimited 17
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.9 5.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 30
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): 0.28 seconds 0.11 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.200 seconds 0.098 seconds
Shutter lag (full AF, with flash): 0.30 seconds 0.15 seconds
Shutter Lag (prefocused): 0.117 seconds 0.097 seconds
Shutter Lag (notes): Live View: Full AF lag (AF-S or AF-F) = 1.5s Prefocused lag = 0.479s OVF: Full AF lag, Auto-Area: 0.118s Live View: Contrast-Detect AF: 1.049s Phased-Detect AF: 1.197s Prefocused: 0.335s
Startup Time: 0.4 seconds 0.3 seconds
Play -> Record Time: 0.3 seconds 0.3 seconds
Flash cycle time, full power: 3.5 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots 470 shots
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL14 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable or 4 AAs with D-BH109
Batteries Included: 1 x Proprietary EN-EL14 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: Nikon Software Suite CD-ROM Software CD-ROM S-SW110
OS Compatibility: Windows, Mac OS Windows XP/Vista/7, MacOS-X 10.3+
Miscellaneous
Notes & Features: 1080p HD movies, Quiet Shutter mode, new full-time AF in Movie mode. Sensor-shift shake reduction, new 11-point SAFOX IX AF system with viewfinder focus indicators, 3-inch hi-res LCD, 6fps burst mode, 720p movies, dual power source (lithium-ion battery pack or 4 AAs with optional D-BH109 battery holder), improved in-camera HDR image capture including a Night Scene HDR mode. Available in Traditional Black, Classic White and Red.