Nikon D90 - Manual (Page 287)

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Specifications
❚❚Nikon D90 Digital Camera
Type
Type Single-lens reflex digital camera
Lens mount Nikon F mount (with AF coupling and AF contacts)
Effective picture angle Approx. 1.5 × lens focal length (Nikon DX format)
Effective pixels
Effective pixels 12.3 million
Image sensor
Image sensor 23.6 × 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 software required)
Storage
Image size (pixels) • 4,288 × 2,848 (L) • 3,216 × 2,136 (M)
• 2,144 × 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, Landscape,
Portrait; storage for up to nine custom Picture Controls
Media SD (Secure Digital) 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
Viewfinder Eye-level pentaprism single-lens reflex viewfinder
Frame coverage Approx. 96% horizontal and 96% vertical
Magnification Approx. 0.94 × (50mm f/1.4 lens at infinity, –1.0 m –1 )
Eyepoint 19.5 mm (–1.0 m –1 )
Diopter adjustment –2–+1 m –1
Focusing screen Type B BriteView Clear Matte Mark II screen with focus frame (framing
grid can be displayed)
Reflex mirror Quick return
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