Nikon D90

Type

Single-lens reflex digital camera

Lens mount

F mount (with AF coupling and AF contacts)

Effective picture angle

Approx. 1.5 x lens focal length ( DX format)

Effective pixels

12.3 million

Image sensor

23.6 x 15.8 mm CMOS sensor

Total pixels

12.9 million

Dust-reduction system

Image Sensor Cleaning, Image Dust Off reference data (optional Capture NX 2 required)

Image size (pixels)

4,288 x 2,848 [L], 3,216 x 2,136 [M], 2,144 x 1,424 [S]

File format

• NEF (RAW)
• JPEG: JPEG-Baseline compliant with fine (approx. 1:4), normal (approx. 1:8), or basic (approx. 1:16) compression
• NEF (RAW) + JPEG: Single photograph recorded in both NEF (RAW) and JPEG formats

Picture Control System

Can be selected from Standard, Neutral, Vivid, Monochrome, Portrait, Landscape; storage for up to nine custom Picture Controls

Media

SD memory cards, SDHC compliant

File system

DCF (Design Rule for Camera File System) 2.0, DPOF (Digital Print Order Format), Exif 2.21 (Exchangeable Image File Format for Digital Still Cameras), PictBridge

Viewfinder

Eye-level pentaprism single-lens reflex viewfinder

Frame coverage

Approx. 96% horizontal and 96% vertical

Magnification

Approx. 0.94 x (50mm f/1.4 lens at infinity; -1.0 m^-1)

Eyepoint

19.5 mm (-1.0 m^-1)

Diopter adjustment

-2 to +1 m^-1

Focusing screen

Type B BriteView Clear Matte screen Mark II with focus frame (framing grid can be displayed)

Reflex mirror

Quick-return type

Depth-of-field preview

When depth-of-field preview button is pressed, lens aperture is stopped down to value selected by user (A and M modes) or by camera (other modes)

Lens aperture

Instant return, electronically controlled

Compatible lenses

• DX AF Nikkor: All functions supported
• Type G or D AF Nikkor: All functions supported (PC Micro-Nikkor does not support some functions). IX-Nikkor lenses not supported.
• Other AF Nikkor: All functions supported except 3D color matrix metering II. Lenses for F3AF not supported.
• AI-P Nikkor: All functions supported except 3D color matrix metering II and auto focus.
• Non-CPU: Autofocus not supported. Can be used in exposure mode M, but exposure meter does not function. Electronic rangefinder can be used if lens has a maximum aperture of f/5.6 or faster.