Specifications – Nikon D40 User Manual

Page 131

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Technical Notes/Specifications 119



Single-lens reflex digital camera with interchangeable lenses

Effective pixels

6.1 million


23.7×15.6mm; total pixels: 6.24 million

Image size (pixels)

• 3,008×2,000 (Large)

• 2,256×1,496 (Medium)

• 1,504×1,000 (Small)

Lens mount

Nikon F mount with AF coupling and AF contacts

Compatible lenses


Type G or D AF Nikkor

All functions supported

Other Type G or D Nikkor

All functions supported except autofocus

Micro Nikkor 85mm f/2.8D

Can only be used in mode M; all other functions supported except autofocus

Other AF Nikkor

/AI-P Nikkor

All functions supported except autofocus and 3D color matrix metering II


Can be used in mode M, but exposure meter does not function; electronic range finder
can be used if maximum aperture is f/5.6 or faster.

* IX Nikkor lenses can not be used

†Excluding lenses for F3AF

Picture angle

Equivalent in 35-mm format is approximately 1.5 times lens focal length.


Fixed eye-level penta-Dach mirror type





18mm (–1.0m



Focusing screen

Type B BriteView clear matte screen Mark V with superimposed focus brackets

Frame coverage

Approximately 95% of lens (vertical and horizontal)


Approximately 0.8× (50-mm lens at infinity; –1.0m



Reflex mirror

Quick return

Lens aperture

Electronically controlled with instant return


Electronically controlled timer with 2, 5, 10 or 20s duration

Focus-area selection

Focus area can be selected from 3 focus areas

Lens servo

• Autofocus (AF): Instant single-servo AF (AF-S); continuous-servo AF (AF-C); auto AF-

S/AF-C selection (AF-A); predictive focus tracking activated automatically according
to subject status

• Manual focus (M)



SD (

Secure Digital) memory cards; camera supports SDHC

File system

Compliant with

Design Rule for Camera File System (DCF) 2.0 and Digital Print Order

Format (DPOF)


NEF (RAW): compressed 12-bit

JPEG: JPEG baseline-complaint


TTL phase detection by Nikon Multi-CAM 530 autofocus sensor module with AF-assist
illuminator (range approximately 0.5–3.0m/1ft. 8in.–9ft. 10in.)

Detection range

–1.0–+19EV (ISO 100 at 20°C/68°F)

AF-area mode

Single-area AF, dynamic-area AF, dynamic-area AF with closest subject priority

Focus lock

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

ISO sensitivity (Recom-
mended Exposure Index)

200–1600 in steps of 1EV with additional setting one step over 1600