วันพุธที่ 5 สิงหาคม พ.ศ. 2552

Nikon D3


Nikon D3

Main Features
  • Nikon's original FX-format CMOS image sensor with 36.0 (H) x 23.9 (V) mm image size; 12.1 effective megapixels
  • Compatible with three image-sensor formats – FX format (36 x 24), 5:4 (30 x 24) and DX format (24 x 16)
  • Sensitivity range ISO 200 to 6400 at normal setting for exceptionally high-quality images; can be set to ISO-equivalent 25,600
  • Incorporates Nikon's original EXPEED digital image processing concept
  • Nikon's original Scene Recognition system, utilizing the 1,005-pixel RGB sensor, greatly improves autofocus, auto exposure and auto white balance performance
  • New 51-point autofocus system features 15 cross-type sensors that maximize the potential of lenses with apertures as small as f/5.6
  • High-speed continuous shooting at approx. 9 frames per second [FX format (36 x 24)/5:4 (30 x 24)]/approx. 11 fps [DX format (24 x 16)] *1
  • Newly employed Picture Control System enables creation of desired picture with preferred tones
  • Accurate focal-plane contrast AF*2 available with built-in Liveview mode
  • Wireless Transmitter WT-4*3 (optional) realizes wireless connection of cameras with a PC, enabling thumbnail display of images taken with up to five of them, and downloading of images selected
  • CF card double slot accepts two CF cards
  • Quick response with approx. 0.12 sec. startup time and 37 ms Shutter-release time lag
  • Viewfinder with approx. 100% frame coverage and approx. 0.7x magnification in FX format
  • High-definition (920,000 dots), 170˚ viewing angle, 3-inch VGA LCD monitor with tempered glass
  • Active D-Lighting optimizes tone reproduction in both shadows and highlights

  • *1 With Continuous-servo AF, S or M exposure mode, shutter speed 1/250 sec. or faster; other settings are set at "Default".
    *2 When Tripod mode is selected.
    *3 Specifications differ depending on country or area

Specifications






Effective pixels

12.1 million

Image sensor

CMOS sensor, 36.0 x 23.9 mm; total pixels: 12.87 million; Nikon FX format

Image size (pixels)

FX format (36 x 24): 4,256 x 2,832 [L], 3,184 x 2,120 [M], 2,128 x 1,416 [S]
5:4 (30 x 24): 3,552 x 2,832 [L], 2,656 x 2,120 [M], 1,776 x 1,416 [S]
DX format (24 x 16): 2,784 x 1,848 [L], 2,080 x 1,384 [M], 1,392 x 920 [S]

Sensitivity

ISO 200 to 6,400 in steps of 1/3, 1/2, or 1 EV; sensitivity decreases approx. 0.3, 0.5, 0.7, or 1 (ISO 100 equivalent) EV below ISO 200, and increases approx. 0.3, 0.5, 0.7, 1 (ISO 12,800 equivalent), or 2 (ISO 25,600 equivalent) EV over ISO 6,400

Storage media

CompactFlash (Type I/II, compliant with UDMA); Microdrives

LCD monitor

3-in., approx. 920,000-dot (VGA), 170-degree wide-viewing-angle, 100% frame coverage, low-temperature polysilicon TFT LCD with brightness adjustment

Exposure metering

TTL full-aperture exposure metering using 1,005-pixel RGB sensor
1) 3D Color Matrix Metering II (type G and D lenses); Color Matrix Metering II (other CPU lenses); Color Matrix Metering (non-CPU lenses if user provides lens data)
2) Center-weighted: Weight of 75% given to 8-, 15- or 20-mm circle in center of frame, or weighting based on average of entire frame
3) Spot: Meters 4-mm circle (about 1.5% of frame) centered on selected focus area (on center focus area when non-CPU lens is used)

Exposure modes

1) Programmed Auto (P) with flexible program,
2) Shutter-Priority Auto (S),
3) Aperture-Priority Auto (A),
4) Manual (M)

Interface

Hi-speed USB

Power sources

One Rechargeable Li-ion Battery EN-EL4a/EL4, Quick Charger MH-22, AC Adapter EH-6 (optional)

Dimensions (W x H x D)

Approx. 159.5 x 157 x 87.5 mm (6.3 x 6.2 x 3.4 in.)

Weight

Approx. 1,240 g (2.7 lb.) without battery, memory card, body cap or accessory shoe cover

Specifications and equipment are subject to change without any notice or obligation on the part of the manufacturer. August 2007
from
nikon.com

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