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Lenses

There are 1197 lenses in our database and 2305 owners opinions.

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Canon EF 17-40 mm f/4.0L USM

Canon EF 17-40 mm f/4.0L USMCanon EF 17-40 mm f/4.0L USMCanon EF 17-40 mm f/4.0L USM
 

Specifications:

Manufacturer Canon
Model EF 17-40 mm f/4.0L USM
Lens style Wide angle zoom
Focal length 17 - 40 mm
Maximum aperture f/4
Angle of view 104 - 57.3 o
Closest focusing distance 0.28 m
Maximum magnification 1:4.1
Minimum aperture 22
Number of diaphragm blades 7
Auto focus type USM
Lens Construction 12 elements / 9 groups
Filter diameter 77 mm
Macro No
Available mounts Canon EF
Dimensions 83.5 x 96.8 mm
Weight 475 g
Additional information Marketed May 2003

Average rating (13 owners reviews).

Build quality 4.77
Optical quality 4.00
Value for money 4.23
Overall 4.33
Build quality
Optical quality
Value for money
Overall
User: Toxin
IP 171.16.x.x
Date: 2013-04-26 12:15:16
Owner since: 7 years
Price: 555€
User profile: Amateur
 

Cons: from Weak to Bad in corners < 23mm

Pros: Only lens in this class (ultra wide + affordable), fast AF, build quality, 77mm and not 82mm for filters, light & small.

Summary: There is almost no other choice if you want an ultra wide & affordable zoom lens on which to screw filters.

Build quality
Optical quality
Value for money
Overall
User: Sergey
IP 109.205.x.x
Date: 2012-11-05 23:49:37
Owner since: 1 year
Price:
User profile: Semipro
 

Cons: Bad optical characteristics on 17-20 mm: significant CA and soft corners.

Pros: Wide angle, light and small, cheapest L-lens in Canon's range, well build.

Summary: I'd to change this lens on the either Canon 24-70 2.8 or new Tamron 24-70 2.8 VC to have the same working wide end. And also f2.8, and also 70 mm :)

Build quality
Optical quality
Value for money
Overall
User: Widhi
IP 223.255.x.x
Date: 2012-04-16 14:36:57
Owner since: 6 months
Price: Rp. 7.240.
User profile: Semipro
 

Cons: No IS, only f/4

Pros: sharp, very solid build quality, very fast auto focus, weather sealing.

Summary: Great lens for landscape and outdoor photography.

Build quality
Optical quality
Value for money
Overall
User: Amateur666
IP 91.155.x.x
Date: 2012-02-04 17:41:55
Owner since: 1 year
Price: too much
User profile: Amateur
 

Cons: Too expensive. Absolute POS with 5Dmk2 -crappy corner resolution.

Pros: Fast and accurate AF.

Summary: A flawed design from Canon.

Build quality
Optical quality
Value for money
Overall
User: Kaufmann J.
IP 93.222.x.x
Date: 2012-01-30 06:43:17
Owner since: 4 years
Price: 750.- S
User profile: Semipro
 

Cons: weak corner sharpness on full frame, only F 4.0 there is sample variation even on L level lenses,

Pros: verry good build quality, verry good value over time, good picture quality on APS-C, you can use the Hood of the 28-300 lens for APS-C

Summary: affordable L glass if you don't like to spend the money for the Zeiss 21 mm prime

Build quality
Optical quality
Value for money
Overall
User: ellenoir
IP 110.137.x.x
Date: 2011-05-29 16:19:02
Owner since: 6 months
Price: 6500
User profile: Semipro
 

Cons: the original lens hood not compatible for APS-C user.

Pros: value for money, very good colour, perfect build quality. the autofocus is amazing, very fast, only 2% missfocus.

Summary: The first L lens I bought and I'm very happy with this lens.

Build quality
Optical quality
Value for money
Overall
User: zhjiln
IP 67.181.x.x
Date: 2010-11-03 06:43:58
Owner since: 1 month
Price: 700
User profile: Amateur
 

Cons: biggest aperture is f4, no image stabilization, 40mm is less than kit lens. corner softness (on full frame)

Pros: superb build quality, sharp pictures, cheap price (for L series) ultra sonic motor, full time manual focus doesn't extend when zooming

Summary: great wide lens, rugged and solid. And the way to go if the kit lens isn't doing the job.

Build quality
Optical quality
Value for money
Overall
User: JD
IP 203.158.x.x
Date: 2010-10-19 01:45:11
Owner since: 6 years
Price:
User profile: Professional
 

Cons: Slight barrel distortion at wide settings, some corner CA.

Pros: Very well built, excellent price for L lens, performance generally very good.

Summary: Great lens for the money, especially when compared with 10-22 which is still great. Barrel distortion is quite noticeable at 17mm and that is probably its only drawback. Great performance at f/8.

Build quality
Optical quality
Value for money
Overall
User: lensreporter
IP 80.174.x.x
Date: 2010-10-10 03:42:51
Owner since: 1 year
Price: 440 used
User profile: Semipro
 

Cons: not as sharp than other L-lenses, at fullframe weeker

Pros: good resolution, NO(!) CA´s, NO(!) light falloff, distortion easy to fix, fantastic build quality, good price

Summary: Its a lens nearly without faults, at APS-C nearly perfect, fullframe just good. The prize is a nice surprise (that sounds really poetic!). Get one for APS-C and use it later as fullframe!

Build quality
Optical quality
Value for money
Overall
User: Feby
IP 24.130.x.x
Date: 2010-09-22 18:31:08
Owner since: 2 years
Price: 740$
User profile: Semipro
 

Cons: f/4, No IS, 40mm is restrictive

Pros: BUILD QUALITY!!! Image Quality is very good - very sharp images.. Nice price.. Non extending and non rotating front element.. Hood.. Silent autofocus...

Summary: I would say its one of the best landscape lens. Great for outdoor photos..

Build quality
Optical quality
Value for money
Overall
User: amitzil
IP 212.25.x.x
Date: 2010-09-06 12:26:38
Owner since: 2 years
Price:
User profile: Amateur
 

Cons: Goes only to 40mm

Pros: Excellent build quality, very sharp, super fast focus

Summary: A great lens for my cropped body

Build quality
Optical quality
Value for money
Overall
User: levi501
IP 170.202.x.x
Date: 2009-09-14 10:47:59
Owner since: 4 years
Price: $799
User profile: Professional
 

Cons: None

Pros: Razor Sharp, built like a tank, Great L optics

Summary: Great lens for both FF and Croped DSLR

Build quality
Optical quality
Value for money
Overall
User: jdelig
IP 91.140.x.x
Date: 2009-09-13 03:35:29
Owner since: 5 years
Price:
User profile: Amateur
 

Cons: only f4

Pros: sharp, build quality, well priced

Summary: Nice wide zoom lens


Build quality 0 1 2 3 4 5
Optical quality 0 1 2 3 4 5
Value for money 0 1 2 3 4 5