• 1/2.33 inch 28.2mm2
  • 12.0 megapixels
  • 26.00mm - 624.00mm (35mm eq.)
  • APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • Detailed specifications
  • Pentax X70
  • Nikon D3100
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Nikon D3100 webpage
Predecessor:    
Successor: Pentax X90
X70 vs X90
Nikon D3200
D3100 vs D3200
General
Model Number: X70 D3100
Alternate Model Number(s):    
Camera Format: EVF SLR
Currently Manufactured: No No
Retail Price: $399.95 $699.95
Street Price:    
Date Available: 2009-04-15 2010-09-15
Tripod Mount: Yes Yes
Weight: 14.5 oz (411 g)
includes batteries
27.4 oz (777 g)
includes batteries, kit lens
Size: 4.4 x 3.2 x 3.9 in.
(112 x 82 x 99 mm)
4.9 x 3.8 x 2.9 in.
(125 x 97 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.0 14.2
Sensor Format: 1/2.33 inch APS-C
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 355.74mm2 (23.10mm x 15.40mm)
Approximate Pixel Pitch: 1.53 microns 5.01 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:   67
DxO Color Depth Score (bits):   22.5
DxO Dynamic Range Score (evs):   11.3
DxO Maximum Effective ISO Score (iso):   919
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2256 (9.0 MP, Other),
2992 x 2992 (9.0 MP, 1:1),
3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4608 x 3072 (14.2 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.2) JPEG (EXIF 2.21), RAW (12-bit .NEF), RAW+JPEG
Continuous-mode frames/second: 11.0 2.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (15)
848x480 (30)
640x480 (30)
320x240 (30)
1920x1080 (24)
1280x720 (30/​25/​24)
640x424 (24)
Movie File Format: AVI (Motion JPEG) MOV H.264/MPEG-4
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Nikon F
Lens: Pentax ED; 14 elements in 11 groups with 4 asph. and 3 ED elements Nikkor AF-S DX 18-55mm f/3.5-5.6G VR
Focal Length (35mm equivalent): 26 - 624mm 27 - 83mm
Focal Length (actual): 4.6 - 110.4mm 18 - 55mm
Zoom Ratio: 24.00x 3.00x
Aperture Range: f/2.8 (Wide) - f/5.0 (Tele) f/3.5 - 22 (W), f/5.6 - 38 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
28 cm to Infinity
11.0 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in
 
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 6.25x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast detect with Face-priority AF; 9-area Auto, 99-area manual select, center Nikon Multi-CAM 1000 11-Area Phase Detection, 1 cross-type, 9 line-type
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 200K dots color LCD SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 18mm eyepoint, -1.7 to +0.5 diopter
Focus Peaking: No No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent):   0.53x
Viewfinder Magnification (nominal/claimed):   0.80x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom:   27.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   100
ISO Settings: Auto (50 - 6400), 50, 100, 200, 400, 800, 1600, 3200*, 6400* (* at 5MP or less) 100 - 3,200; expandable to 12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent (W, D, N), Manual Auto, Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual;all except Preset Manual with fine tuning
Shutter Speed Range: 1/4000 - 4 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot, Spot AF area 420 segment 3D color matrix metering II, color matrix metering II, center-weighted, spot (3.5mm)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Landscape, Portrait, Night Scene Portrait, Night Scene, Sport, Flower, Landscape, Flower, Portrait, Backlight, Half Length Portrait (3M), Night Scene, Night Scene Portrait, Stage Lighting, Surf & Snow, Baby, Kids, Pet, Food, Fireworks, Frame Composite (3M), Party, Museum, Sunset, Digital Wide (5M) Portrait, Landscape, Child, Sports, Close up, Night portrait
Self Timer: 10 or 2 seconds 10 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, flash on, flash off, redeye, slow sync, slow sync w/ redeye Red-Eye Reduction, Red-Eye Reduction with Slow Sync, Slow Sync, Rear-Curtain Sync.
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: 29.9¡¦ (wide, auto ISO), 16.7¡¦ (tele, auto ISO) Lens dependent
Max Flash Sync:   1/200
Flash Exposure Compensation:   -3 to +1 EV in 0.3EV steps
External Flash Connection: n/a ISO hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (12-bit .NEF), RAW+JPEG
Movie File Format: AVI (Motion JPEG) MOV H.264/MPEG-4
Included Memory: 33.6 MB No memory included
Included Memory Type: Internal  
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: No Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional, MC-DC2 corded
Connections (extended): DC Input Type C mini-HDMI with CEC, Accessory Terminal (MC-DC2 remote cord or GP-1 GPS unit)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.55
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.54
Buffer size for RAW shooting in single shot mode (frames):   Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 11.0 2.9
Buffer size for JPEG shooting in burst mode (frames, max resolution):   100
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
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
Shutter lag (full AF, with flash):   0.30 seconds
Shutter Lag (prefocused):   0.117 seconds
Shutter Lag (notes):   Live View: Full AF lag (AF-S or AF-F) = 1.5s Prefocused lag = 0.479s
Startup Time:   0.4 seconds
Play -> Record Time:   0.3 seconds
Flash cycle time, full power:   3.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 170 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   550 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI92 Proprietary EN-EL14
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 Lithium Ion rechargeable 1 x Proprietary EN-EL14 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW87 Nikon Software Suite CD-ROM
OS Compatibility: Windows 2000/XP/Vista; MacOS-X 10.1.2-10.5 Windows, Mac OS
Miscellaneous
Notes & Features: Triple Shake Reduction technology includes Mechanical SR via CCD shift mechanism, Digital SR via high ISO, and Movie SR. Face detection. High speed continuous shooting at 11 fps. 1080p HD movies, Quiet Shutter mode, new full-time AF in Movie mode.