Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha

Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha
$999
120-400 mm
autofocus 3.3x zoom lens
f/4.5-5.6
variable aperture
  • Sigma OS Image stabilized
  • Sigma HSM Built in focus motor

compatibilitywith digital cameras

Full frame

This lens is compatible with Full frame cameras such as the Sony SLT-A99.

Sony Alpha SLT-A99
17 - 5.1°
horizontal angle of view
120-400mm
35mm equivalent focal length

APS-C (1.5x crop factor)

This lens is compatible with APS-C (1.5x crop factor) cameras such as the Sony SLT A57, Sony SLT A58 and Sony SLT-A55.

Sony SLT A57
11.2 - 3.4°
horizontal angle of view
184-613mm
35mm equivalent focal length

Pros

The Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha vs other Sony Alpha (Full-frame) lenses

Max focal length Excellent telephoto lens Help
400 mm
Image stabilization More advanced image stabilization Help
Sigma OS
Focus motor Silent focus motor Help
Silent and fast

The Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha vs other Sony Alpha (Full-frame) wildlife lenses

Lowest price Inexpensive Help
$999.00
Min focal length Great wide angle lens Help
120 mm

Cons

The Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha vs other Sony Alpha (Full-frame) lenses

Fixed aperture Variable aperture Help
Narrower aperture at longer focal lengths
Weight Quite heavy Help
1.8 kg
Prime lens Zoom lens Help
Typically not as sharp as prime lenses
Aperture Narrow aperture Help
f/4.5

Specifications

General

Min focal length
Help
120 mm
below average below average
Max focal length
Help
400 mm
unique unique
Zoom range
Help
3.3x
Magnification
Help
1:4.3 (0.2x)

Aperture

Wide minimum
Help
f/4.5
below average below average
Wide maximum
Help
Unknown
Tele minimum
Help
f/5.6
below average below average
Tele maximum
Help
Unknown

Features

Auto focus
Help
Yes
Focus motor
Help
Sigma HSM
above average above average
Image stabilization
Help
Sigma OS
above average above average
Fisheye
Help
No
Tilt-shift
Help
No

Form factor

Lens mount
Help
Sony Alpha (Full-frame)
Length
Help
Unknown
Diameter
Help
Unknown
Filter size
Help
Unknown
Weight
Help
1.8 kg
below average below average

Angle of view

Wide horizontal
Help
17.1°
below average below average
Telephoto horizontal
Help
5.2°
above average above average
Wide vertical
Help
11.4°
below average below average
Telephoto vertical
Help
3.4°
above average above average
Wide diagonal
Help
20.4°
below average below average
Telephoto diagonal
Help
6.2°
above average above average

Angle of view (On Sony Alpha DT APS-C 1.5x crop cameras)

Wide horizontal
Help
11.2°
below average below average
Telephoto horizontal
Help
3.4°
above average above average
Wide vertical
Help
7.5°
below average below average
Telephoto vertical
Help
2.3°
above average above average
Wide diagonal
Help
13.5°
below average below average
Telephoto diagonal
Help
4.1°
above average above average

DiscussionWhat do you think about the Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Sony-alpha lens?

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