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AT-X 400mm f/5.6

  • 400mm
  • f/5.6
  • Telephoto
  • 990 g
  • Min focus 2.5 m

Quick answer

The Tokina AT-X 400mm f/5.6 is a super telephoto telephoto lens covering 400mm at f/5.6 for the Nikon F mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

About this lens

A 400mm f/5.6 telephoto prime lens, the Tokina AT-X 400mm f/5.6 is designed for Nikon F mount bodies. It brings distant subjects closer for sports, wildlife and events.

Tokina AT-X 400mm f/5.6 specifications

Brand
Tokina
Mount
Nikon F
Focal length
400mm
Maximum aperture
f/5.6
Lens type
Telephoto
Format coverage
full-frame
Optical construction
10 elements in 8 groups
Aperture blades
8
Minimum focus distance
2.5 m
Maximum magnification
0.17x
Filter thread
72 mm
Weight
990 g
Length
202 mm
Diameter
79 mm

Specification source: tokinalens.com

What can you shoot with the Tokina AT-X 400mm f/5.6?

At 400mm this is a super telephoto telephoto, which typically suits:

  • Wildlife and birds
  • Motorsport and field sports
  • Distant subjects and the moon

Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor Crop Equivalent Horizontal FOV Diagonal FOV
Full frame 1.0x 400mm 5.2° 6.2°
APS-C 1.5x 600mm 3.4° 4.1°

Try the field-of-view calculator

Frequently asked questions

What mount does the Tokina AT-X 400mm f/5.6 use?

It uses the Nikon F mount, so it fits Nikon F cameras directly.

What is the focal length of the Tokina AT-X 400mm f/5.6?

It is a fixed 400mm lens with a maximum aperture of f/5.6. That makes it a super telephoto lens.

Is the Tokina AT-X 400mm f/5.6 a prime or a zoom lens?

It is a prime lens with a fixed 400mm focal length. Primes usually open wider than zooms; this one opens to f/5.6.

What is the Tokina AT-X 400mm f/5.6 equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 600mm on full frame, with a 3.4° horizontal and 4.1° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Tokina AT-X 400mm f/5.6 fit?

Any Nikon F-mount camera, including Nikon D3, Nikon D300, Nikon D3000, Nikon D300S, and Nikon D3100 and 35 more.

Alternatives for Nikon F from other brands

All Nikon F lenses

Same mount, overlapping focal range, closest maximum aperture first.

More Tokina lenses for Nikon F

All Tokina lenses

Other 400mm lenses

All 400mm lenses

Cameras that fit the Nikon F mount

All Nikon F cameras (40)