• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • APS-C 369.7mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Nikon D3100
  • Pentax K-30
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website
Nikon D3100 webpage
Manufacturer website
Predecessor:    
Successor: Nikon D3200
D3100 vs D3200
Pentax K-50
K-30 vs K-50
General
Model Number: D3100 K-30
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $699.95 $1199.00
Street Price:   $562.00
Date Available: 2010-09-15 2012-07-15
Tripod Mount: Yes Yes
Weight: 27.4 oz (777 g)
includes batteries, kit lens
38.4 oz (1,088 g)
includes batteries, kit lens
Size: 4.9 x 3.8 x 2.9 in.
(125 x 97 x 74 mm)
5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 14.2 16.3
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 4.81 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 79
DxO Color Depth Score (bits): 22.5 23.7
DxO Dynamic Range Score (evs): 11.3 13.0
DxO Maximum Effective ISO Score (iso): 919 1,129
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)
4928 x 3264 (16.1 MP, Other),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2688 x 1792 (4.8 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), RAW (12-bit .NEF), RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second: 2.9 5.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24)
1280x720 (30/25/24)
640x424 (24)
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p)
640x480 (30p/25p/24p)
Movie File Format: MOV H.264/MPEG-4 MOV MPEG-4 AVC (H.264) with monaural audio
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 18-135mm f/3.5-5.6 ED AL [IF] DC WR DA
Focal Length (35mm equivalent): 27 - 83mm 27 - 203mm
Focal Length (actual): 18 - 55mm 18 - 135mm
Zoom Ratio: 3.00x 7.50x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 62.0mm
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 Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, 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 pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, Natural-Bright-Matte III focusing screen (interchangeable)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.61x
Viewfinder Magnification (nominal/claimed): 0.80x 0.92x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 230,000 dots 921,600 dots (307,200 px)
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): 100 100
ISO Settings: 100 - 3,200; expandable to 12800 Auto, 100-12800 (1, 1/2 or 1/3 EV steps), expandable to 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, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets
Shutter Speed Range: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 420 segment 3D color matrix metering II, color matrix metering II, center-weighted, spot (3.5mm) TTL open-aperture: 77-segment, 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 Sensitivity Priority, Shutter and Aperture Priority, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color
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. P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, 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 (.DNG), RAW+JPEG
Movie File Format: MOV H.264/MPEG-4 MOV MPEG-4 AVC (H.264) with monaural audio
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 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: Optional, MC-DC2 corded Optional Wired or IR
Connections (extended): Type C mini-HDMI with CEC, Accessory Terminal (MC-DC2 remote cord or GP-1 GPS unit) Wired remote port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.55 0.41
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54 0.43
Buffer size for RAW shooting in single shot mode (frames): Unlimited Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.9 5.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 45
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 0.16 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 0.54 seconds
Shutter Lag (prefocused): 0.117 seconds 0.098 seconds
Shutter Lag (notes): Live View: Full AF lag (AF-S or AF-F) = 1.5s Prefocused lag = 0.479s Optical VF, Full AF lag, Wide-area = 0.177s Live View, Full AF lag = 0.871s Live View, Pre-focused lag = 0.253s
Startup Time: 0.4 seconds 1.1 seconds
Play -> Record Time: 0.3 seconds 0.2 seconds
Flash cycle time, full power: 3.5 seconds 2.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots 410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL14 Proprietary; optional D-BH109 AA Battery Holder
Usable Battery Types: Lithium-ion rechargeable D-LI109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary EN-EL14 Lithium-ion rechargeable 1 x Proprietary D-BH109 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 CDROM (SILKYPIX Developer Studio 3.0 for PENTAX included)
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: 1080p HD movies, Quiet Shutter mode, new full-time AF in Movie mode. Weather and Dust Resistant, In-body Shake Reduction, 1080p30 Video Recording, Improved AF Performance, 6fps Burst Shooting, 19 Scene Modes, Dynamic Range Expansion. Available in Crystal White, Crystal Blue, or Black.