Nikon D50 SLR

这是尼康发布的一款基本型的数码单反, 尼康官方宣布在这个月的20号正式在全球上市, 价格跟 Canon 350D 差不多. 还有尼康D70的改进版D70s(暂名)也会在4月份上市, 各位老兄准备好钱啊.

Type of Camera
Single-lens reflex digital camera

Effective Pixels
6.1 million

Image Sensor
RGB CCD, 23.7 x 15.6mm; total pixels: 6.24 million

Image Size (pixels)
3,008 x 2,000 [L], 2,256 x 1,496 [M], 1,504 x 1,000 [S]

Sensitivity
200 to 1600 (ISO equivalent) in steps of 1 EV

Storage Media
SD Memory Card

Storage System
Compressed NEF (RAW): 12-bit compression,
JPEG: JPEG baseline-compliant

File System
Exif 2.21, Compliant DCF 2.0 and DPOF

Storage (Number of frames per 256MB SD Memory card, image size L)
RAW approx. 33, FINE approx. 70
NORMAL approx. 137
BASIC approx. 258, RAW & BASIC approx. 29

White Balance
Auto (TTL white balance with 420-pixel RGB sensor), six manual
modes, preset white balance, white balance bracketing possible

LCD Monitor
2.0-in., 130,000-dot, low-temperature polysilicon TFT LCD
with brightness adjustment

Playback Function
1 frame: Thumbnail (4 or 9 segments); Magnifying playback; Slide show; Histogram indication; Highlight point display; Auto image rotation

Delete Function
Card format, All frames delete, Selected frames delete

Video Output
Can be selected from NTSC and PAL

Interface
USB 2.0 (Hi-Speed)

Text Input
Up to 36 characters of alphanumeric text input available with LCD monitor and multi-selector; stored in Exif header

Compatible Lenses
1) DX Nikkor: All functions supported
2) Type G or D AF Nikkor: All functions supported
3) Micro Nikkor 85 mm F2.8D: All functions supported except autofocus and some exposure modes
4) Other AF Nikkor: All functions supported except 3D Color Matrix Metering II
5) AI-P Nikkor : All functions supported except 3D Color Matrix Metering II and autofocus
6) Non-CPU : Can be used in exposure mode M, but exposure meter does not function; electronic range finder can be used if maximum aperture is f/5.6 or faster

Note: IX Nikkor lenses can not be used

Picture Angle
Equivalent in 35mm [135] format is approx. 1.5 times lens focal length

Viewfinder
Fixed eye-level penta-Dach-mirror type; built-in diopter adjustment (-1.6 to +0.5m-1)

Eyepoint
18mm (-1.0m-1)

Focusing Screen
Type-B BriteView Clear Matte screen Mark V with superimposed focus brackets

Viewfinder Frame Coverage
Approx. 95%

Viewfinder Magnification
Approx. 0.75x with 50mm lens at infinity; -1.0m-1

Viewfinder Information

Focus indications, AE/FV lock indicator, Shutter speed, Aperture value, Exposure/Exposure compensation indicator, Flash output level compensation, Exposure compensation, Number of remaining exposures, Flash ready indicator

Autofocus
TTL phase detection by Nikon Multi-CAM900 autofocus
module with AF-assist illuminator (approx. 0.5m to 3.0m)
Detection range: EV -1 to +19
(ISO 100 equivalent, at normal temperature: 20°C)

Lens Servo

1) Autofocus (AF-A): Auto-Servo AF; camera automatically
chooses single-servo AF (AF-S) or continuous servo AF (AF-C);
predictive focus tracking automatically activated according to
subject status
2) AF-S
3) AF-C
4) Manual focus (M)

Focus Area
Can be selected from 5 focus areas

AF Area Mode
1) Single Area AF, 2) Dynamic Area AF,
3) Closest Subject Priority Dynamic Area AF

Focus Lock
Focus can be locked by pressing shutter-release button halfway
(single-servo AF) or by pressing AE-L/AF-L button

Exposure Metering System
TTL full-aperture exposure metering system
(1) 3D Color Matrix Metering II with 420-pixel RGB sensor
(2) Center-weighted: Weight of 75% (8mm dia. circle)
(3) Spot: Meters 3.5mm dia. circle (about 2.5% of frame)
centered on active focus area

Exposure Metering Range
1) EV 0 to 20 (3D Color Matrix or center-weighted metering)
2) EV 2 to 20 (spot metering) (ISO 100 equivalent, f/1.4 lens, 20°C)

Exposure Modes
Digital Vari-Program (Auto, Portrait, Landscape, Child, Sports,
Close up, Night portrait),
Programmed Auto [P] with flexible program; Shutter-Priority Auto [S];
Aperture Priority Auto [A]; Manual [M]

Exposure Compensation
±5 EV in increments of 1/3 or 1/2 EV

Auto Exposure Lock
Luminosity locked at detected value with AE-L/AF-L button

Auto Exposure Bracketing
Three frames ±2 EV in 1/3 or 1/2 steps

Shooting Modes
1) Single frame shooting mode
2) Continuous shooting mode: approx. 2.5 frames per second
3) Self-timer mode
4) Delayed remote mode: 2 sec. delay
5) Quick–response remote mode

Shutter
Combined mechanical and CCD electronic shutter, 30 to 1/4000 sec.
in steps of 1/3 or 1/2 EV, bulb

Sync Contact
X-contact only; flash synchronization at up to 1/500 sec.

Flash Control
1) TTL: TTL flash control by 420-pixel RGB sensor
Built-in Speedlight: i-TTL Balanced Fill-Flash or standard i-TTL
flash (spot metering) SB-800 or 600: i-TTL Balanced Fill-Flash or
standard i-TTL flash (spot metering)
2) Auto aperture: Available with SB-800 with CPU lens
3) Non-TTL Auto: Available with Speedlights such as SB-800,
80DX, 28DX, 28, 27, and 22s
4) Distance-priority manual available with SB-800

Flash Sync Mode
1) Front-curtain Sync (normal sync), 2) Red-eye Reduction,
3) Red-eye Reduction with Slow Sync, 4) Slow Sync,
5) Rear-curtain Sync

Built-in Speedlight
Auto, Portrait, Child, Close-up, Night portrait: auto flash with
auto pop-up [P], [S], [A], [M]: manual pop-up with button release
Guide number (ISO 200/ISO 100, m): approx. 15/11 (manual full 17/12)

Flash Compensation
-3 to +1 EV in increments of 1/3 or 1/2 EV

Accessory Shoe
Standard ISO hot-shoe contact with safety lock provided

Self-timer
Electronically controlled timer of 2 to 20 seconds duration

Remote Control
Wireless Remote Controller ML-L3 (optional)

Power Source
One Rechargeable Li-ion Battery EN-EL3, AC Adapter EH-5 (optional)

Tripod Socket
1/4 in. (ISO1222)

Dimensions (W x H x D)
Approx. 133 x 102 x 76mm

Weight
Approx. 540g without battery, memory card, or body cap

Supplied Accessories*
Rechargeable Li-ion Battery EN-EL3, Quick Charger MH-18a,
Video Cable, USB Cable UC-E4, Strap, Body cap, Eyepiece Cap DK-5,
Rubber Eyecup DK-20, Accessory shoe cover, PictureProject CD-ROM

Optional Accessories
Rechargeable Li-ion Battery EN-EL3, Multi Charger MH-19,
Quick Charger MH-18a, AC Adapter EH-5, Speedlight SB-800/600,
Eyepiece Magnifier DG-2, Angle Finder DR-6, Nikon Capture 4 (Ver.4.3)
Software, Wireless Remote Control ML-L3, Semi-Soft Case CF-D50