CameraReview

Sigma 400mm F/5.6 APO Macro ZEN

Sigma · 400 mm · f/5.6

Sigma 400mm F/5.6 APO Macro ZEN

Score Breakdown

Scores combine our editorial testing with published lab data.

Physical 42
Optics 65
Features 19
Construction 38
48
SCORE /100

General

BrandSigma
Release Year1994
Production Status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
Discontinued
Lens Mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Pentax K
System
ⓘ
Indicates which camera system the lens is designed to attach to.
Pentax K
Maximum Format
ⓘ
Largest sensor size compatible with the lens.
Full Frame

Physical

42/100
Lens Weight1445 g
Lens Diameter
ⓘ
Width of the lens at its widest point
90.5 mm
Lens Length
ⓘ
How long the lens is from front to back.
257.2 mm
Front Filter Compatible
ⓘ
Some lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove.
Yes
Front Filter Size
ⓘ
Diameter of attachable filters.
77 mm

Optics

65/100
Focal Range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
400 mm
Aperture Range
ⓘ
Largest aperture at the lens's shortest focal length to longest focal length (aperture range start - end)
5.6
Focal Length Angle of View6.191937568343236°
Flange Focal Distance
ⓘ
Distance from lens mount to sensor.
45.5 mm
Diaphragm Type
ⓘ
Structure and design of the aperture
Automatic
Blades
ⓘ
Number of diaphragm blades in aperture
9020
Zoom Lens
ⓘ
Zoom allows you to vary the focal length, change between long shots and close-ups
No
Closest Focusing Distance
ⓘ
Minimum distance for a subject to be in focus.
160 cm01500
Maximum Magnification
ⓘ
Largest size a subject can be reproduced
0.33x
Autofocus ModeYes
Manual ModeYes
Manual Focusing RingYes

Features

19/100
Weather Sealing
ⓘ
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
No
Fluorine Coating
ⓘ
Coating to repel water and oil from lens elements.
No
Built In Lens HoodYes
Lens Hood TypeRound
Teleconverter
ⓘ
A teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification
Yes
Image StabilizationNo

Construction

38/100
Elements
ⓘ
Lens elements refer to individual pieces of glass within the lens.
10
Groups7
Aspherical Elements
ⓘ
The number of aspherical lens elements which can help correct aberrations such as spherical aberration.
0
Bi Aspherical Elements
ⓘ
Elements with two non-spherical surfaces
0
Low Dispersion
ⓘ
Elements that reduce chromatic aberration
1
Super Low Dispersion
ⓘ
Advanced elements further reducing chromatic aberration
0
CA Reduction
ⓘ
Built-in features to reduce chromatic aberration
0
Internal Focusing
ⓘ
Internal Focusing means that the lens does not change in size during focusing, and the front element does not rotate.
Yes