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

$899
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

reviewswhat are people saying


Rated 4 out of 5 stars by 1 users at B&H Photo Video

"Wow, Great lens from 120 to 400mm nice photos and pretty fast for under $1000.00 lens."

"Its well balanced. Overall nice glass!"

"It's just a little heavy"

compatibilitywith digital cameras

Full frame

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

horizontal angle of view
17 - 5.1°
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-A37.

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

Pros

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

	Excellent telephoto lens
	400 mm

	More advanced image stabilization
	Sigma OS

	Silent focus motor
	Silent and fast

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

	Inexpensive
	$899.00

	Great wide angle lens
	120 mm

Cons

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

	Variable aperture
	Narrower aperture at longer focal lengths

	Quite heavy
	1.7 kg

	Narrow aperture
	f/4.5

	Zoom lens
	Typically not as sharp as prime lenses

	Quite long
	204 mm

Specifications

General

	Min focal length	120 mm	below average
	Max focal length	400 mm	unique
	Zoom range	3.3x
	Magnification	1:4.2 (0.2x)
Aperture

	Wide minimum	f/4.5	below average
	Wide maximum	f/22
	Tele minimum	f/5.6	below average
	Tele maximum	f/22
Features

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

	Lens mount	Sony Alpha (Full-frame)
	Length	204 mm	below average
	Diameter	93 mm
	Filter size	77 mm
	Weight	1.7 kg	below average
Angle of view

	Wide horizontal	17.1°	below average
	Telephoto horizontal	5.2°	above average
	Wide vertical	11.4°	below average
	Telephoto vertical	3.4°	above average
	Wide diagonal	20.4°	below average
	Telephoto diagonal	6.2°	above average
Angle of view (On Sony Alpha DT APS-C 1.5x crop cameras)

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

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

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

reviewswhat are people saying

compatibilitywith digital cameras

Full frame

APS-C (1.5x crop factor)

Pros

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

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

Cons

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

Specifications

General

Aperture

Features

Form factor

Angle of view

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

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

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