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Sigma 20-40mm f/2.8 EX DG : Specifications and Opinions

Sigma 20-40mm f/2.8 EX DG

The Sigma 20-40mm f/2.8 EX DG is a wide-angle lens for FF and APS-C, discontinued. The focus is done by Lens AF motor (non-ultrasonic), it does not have image stabilization.

8 users have given it an average vote of 9.5 out of 10.

Specifications
Focal lenght	20-40 mm
Angle of view	94.5 - 56.8°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	9
Lenses/Groups	17 elements in 13 groups
Min. focus distance	0.30 meters
Reproduction ratio	0.21x
Features
Zoom type	Ring, external
Stabilization	No
Focus	Lens AF motor (non-ultrasonic)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	82 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	595 g
Dimensions	89 x 107 mm
Buy
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Torino

sent on June 26, 2016

Pros: focal length, colorimetry outstanding and excellent sharpness, quality 'money

Cons: suffers from lateral flare, present chromatic aberrations

Opinion: It bought two years ago to 250 euro, replaced with Nikkor 24-120 f 4 for greater focal length requirements, but the comparison of the colorimetry I immediately regretted selling it, to be a goal of the generation before and really special, fast autofocus and very accurately processed raw files, really crystal colors, has a bit 'of chromatic aberrations that are easily solved in raw room, value for' really good price, compared with the latest commercially goals looks good doing absolutely save a lot of money, recommended l ' buying who does not want svenarsi for a wide-angle zoom of this tipo.rn

Fotografiamonaco

sent on December 30, 2013

Pros: LENS WITH GREAT PERFORMANCE AT HIGH SHARPNESS f4.0 FF STICKER ON SENSOR BUT SLIGHTLY solvable WITH CORRECTION LENS CAMERA RAW EXCELLENT CONSTRUCTION Gera MF VERY COMFORTABLE COMPLEX SYSTEM ZOOM ErnEFFICACE (NN shuffling YOU NOTICE THE LENS) f2.8 TO THE FUZZY AND CREAM VERY GOOD PERSON WITH REMOVAL OF THE BACKGROUND AND FAST AF 'PRECISE (HIGHLY RECOMMEND THE PURCHASE OF OPTICAL QST XK perfomante LANDSCAPING AND VERY GOOD FOR VIDEO)

Cons: FOCUS NOISY, VERY chubby DIAM FILTERS 82 (VERY EXPENSIVE) STICKER ON A 20 MM FF 1 AND LIGHTWEIGHT SCIA aberration assay (solvable) WEIGHT WITH THE FILTERS ARE WANDERING AROUND 610gr NOT 'SIGGILLATO AND NOT' TROPICALISED DISCONTINUED "NO SPARE PARTS"

Opinion: I POSSESS THE CANON 6D IN THE PAST I HAD THE TAMRON 28-75 2.8 F OR CHANGED WITH OPTICAL XK QST FANTASTIC VERY COMFORTABLE X ME REALIZE THAT VIDEO BECAUSE THE USE OF FOCAL LENGTH 20 MM IN RELATION TO THE MANUAL FOCUS AND 'THE ACE OF FILM WHY CAN MAKER 'RULE WITH A LOT OF SKILL AND GIVES YOU THE OPPORTUNITY' TO NOT TOO FUOCHEGGIARE ZOOM 1 RUNS WITH ABSOLUTE PRECISION VERY SENSITIVE AND NN zooms CLICK QST LENS HAS THE VALUE OF € 290 IF FOUND AROUND

user30919

sent on November 19, 2013

Pros: Robustness and excellent sharpness and brightness, constant 2.8

Cons: Maybe a little too heavy

Opinion: I got this Sigma 20-40 in 2007 for the 400D and the 40D I use it now and 6D. I must say that I had a great feeling for the sharpness and high brightness. AF only flaw is a bit noisy and slightly slower in areas not particularly bright and overweight which I remedied attrezzandomi with shoulder carrying strap

Photos taken with Sigma 20-40mm f/2.8 EX DG

Not by chance

by Redento Trento
39 comments, 1986 views

Vintage Machine in Alassio

by Alexey
55 comments, 2697 views

HI RES 24.0 MP

Corridor Color

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34 comments, 1980 views

Shadow cage

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38 comments, 2892 views

PDR tip Customs

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42 comments, 4561 views

Dreams fly!

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20 comments, 4065 views

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L 'bowing to poetry

by Redento Trento
44 comments, 2248 views

Good morning

by Alexey
45 comments, 1775 views

HI RES 17.0 MP

Belvedere

by Redento Trento
25 comments, 1119 views

The summer is ending

by Merendino Santo
21 comments, 2851 views

Black bubbles

by Redento Trento
33 comments, 1984 views

Curious

by Redento Trento
19 comments, 1287 views

Towards the Dark

by Redento Trento
12 comments, 1033 views

Enveloped by the waves

by Antonio Desiderio 1984
28 comments, 1277 views

HI RES 24.8 MP

San Fruttoso

by Alexey
24 comments, 1736 views

HI RES 21.0 MP

Abandonment

by Redento Trento
12 comments, 1307 views

All at a summit ..!

by Redento Trento
34 comments, 2957 views

Untitled Photo

by Merendino Santo
3 comments, 1922 views

Untitled Photo

by Alexey
22 comments, 1144 views

HI RES 15.4 MP

Faithful wherever it goes ...!

by Redento Trento
10 comments, 2012 views

Ferrara by night

by Claudio Bonora
10 comments, 2159 views

When I was young

by Redento Trento
32 comments, 2525 views

Campaign of Ravenna

by Redento Trento
11 comments, 2285 views

Bold ragazzzza ..!

by Redento Trento
14 comments, 2538 views

Sunset Diamantese

by Merendino Santo
10 comments, 1860 views

Parallelism carnival ..!

by Redento Trento
21 comments, 1762 views

Attraction

by Redento Trento
18 comments, 2464 views

S.Sofia

by Dmax
18 comments, 2102 views

Untitled Photo

by Alexey
11 comments, 1045 views

HI RES 15.3 MP

Autumn

by Redento Trento
13 comments, 2319 views

I found the house ..!

by Redento Trento
16 comments, 1745 views

Untitled Photo

by Alexey
20 comments, 1029 views

HI RES 36.2 MP

A sea of ??fog

by Redento Trento
10 comments, 1271 views

Untitled Photo

by Alexey
7 comments, 956 views

HI RES 19.3 MP

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Casone fishing Zappa

by Redento Trento
11 comments, 1928 views

Spotted salamander

by Dal Pozzo Carlo
4 comments, 575 views

HI RES 4.2 MP

The sky is colored

by Redento Trento
4 comments, 944 views

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Reviews » Lenses » Lenses Sigma » Sigma 20-40mm f/2.8 EX DG

Sigma 20-40mm f/2.8 EX DG : Specifications and Opinions

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Reviews

What do you think about this lens?

Photos taken with Sigma 20-40mm f/2.8 EX DG