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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 27 Aug 2013 (Tuesday) 01:19
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Canon 17-40 on a crop sensor?

Cream of the Crop
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Location: Utah, USA
Aug 27, 2013 12:24 |  #16

rdmello wrote in post #16244511 (external link)
I've been contemplating this very same question. I've noticed that most people that actually use the 17-40 on the crop are very happy. Seems like it's the people without the 17-40 that suggest the 17-55.

Ignorance is bliss and we all think our own decisions are the best or we wouldn't have made them.

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49 posts
Joined Jul 2010
Aug 27, 2013 12:58 as a reply to  @ post 16244511 |  #17

I really like the 17-40 on a crop. It works very well for me.

I own a Sigma 18-50 2.8 EX DC Macro and it is an amazing lens however the 17-40 out performs it and is built very well. I have looked at the 17-55 and the 15-85 and they are great lenses but with some of the environments I shoot in I have my doubts that the 17-55 or the 15-85 would stand up. 17-40 is built to be used in poor environments (dust, rain, etc)

Also if I ever move to full frame then I will have a UWA for it.

Canon 7D, 50D, 40D, 20D and T3, Σ EX 10-20 f/4-5.6, 17-40 F/4L, Σ EX 18-50 f/2.8, 18-55 IS, 70-200 F/4L, Σ EX 30 f/1.4, 40 f/2.8 STM, 60 2.8 Macro, 85 f/1.8, 1.4x II, 430EXII
And a Canon Rebel S II & 35-80 f/4-5.6 USM

Cream of the Crop
10,251 posts
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Joined Aug 2007
Location: San Jose, California
Aug 27, 2013 13:33 |  #18

I used to have the 17-35/2.8L instead of the 17-40L.... But sold it to get a wider lens for use on crop. It wasn't anywhere near wide enough, so I replaced the 17-35 initially with a Tokina 12-24/4 and now also have Canon EF-S 10-22mm.

I would jump on the 17-40 as a great lens and good value for use on FF. But not on crop. I'd go for the 17-55/2.8 instead. This is a mid-range, walk-around lens on crop (slightly wide to slightly tele) and f2.8 is too important. IS is a bonus. Not necessary, but nice to have.

I wouldn't worry at all getting a quality EF-S lens now, if thinking about "going FF later". I used to think that way, too, but no longer do. For one, you can always sell the EF-S lens, if and when you do switch to FF. With higher quality Canon EF-S lenses like the 17-55, reselling you would likely recoup at least 75 to 90% of the original purchase price. If you've used it for a few years, you might break even or make a profit (several of my lenses would now sell used for more than I paid for them years ago). Plus, you might never find the need to "go FF", crop cameras today come awfully close to FF image quality. Or you might find yourself using both formats (I do) and end up wanting to keep a couple "crop only" lenses in your stable.

Not that the 17-40 is a bad lens. It's actually quite good for the money... on FF. IMO, on a crop camera it's not wide enough or long enough or fast enough. There are better choices available for crop, so why hobble yourself for the years you use the crop camera? Besides the EF-S 17-55 IS, as others have noted, there are some excellent third party options.

Alan Myers (external link) "Walk softly and carry a big lens."
5DII, 7DII(x2), 7D(x2) & other cameras. 10-22mm, Tokina 12-24/4, 20/2.8, TS 24/3.5L, 24-70/2.8L, 28/1.8, 28-135 IS (x2), TS 45/2.8, 50/1.4, Tamron 60/2.0, 70-200/4L IS, 70-200/2.8 IS, 85/1.8, Tamron 90/2.5 Macro, 100/2.8 USM, 100-400L II, 135/2L, 180/3.5L, 300/4L IS (x2), 300/2.8L IS, 500/4L IS, EF 1.4X II, EF 2X II. Flashes, studio strobes & various access. - FLICKR (external link) - ZENFOLIO (external link)

Out buying Wheaties
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Location: Canada, Ontario, Milton
Aug 27, 2013 14:12 |  #19

It was good lens on crop, very fast to focus. L colors and contrast. But I sold it because it was too much distortion and softness in the corners on FF.
Buy it used.

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6 posts
Joined Aug 2013
Aug 28, 2013 01:45 |  #20

Thanks for the input. I actually forgot to mention that I share some equipment with a FF user, so having an EF lens would be a bonus. The canon 16-35 is way out of my price range, but i will look into the 10-22 and the 17-55 for my crop body

Canon 600d, 70-200 f4L, Tamron 24-70 f2.8

Cream of the Crop
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Location: Pasadena CA and Portland OR
Aug 28, 2013 01:55 |  #21

Get the 17-55 and the 10-22 used, and you should be able to turn around and sell them for very little loss. Both are spectacular lenses.

5D4 | 6D | 7D2 (2 bodies) | Reasonably good glass
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If I don't get the shots I want with the gear I have, the only optics I need to examine is the mirror on the bathroom wall. The root cause will be there.

114 posts
Joined May 2011
Location: Melbourne, Australia
Aug 28, 2013 02:06 as a reply to  @ Scrumhalf's post |  #22

Initial reports are that the new Sigma 18-35mm f/1.8 is a spectacular lens. Several stops faster and extremely sharp. One of the new art lenses, so compatible with the Sigma dock for calibrating focus. Note that is APS-C only.

Canon 7D / 10-22 / 17-55 / 70-200 f2.8L IS II / 100-400L / 100L Macro / Σ 30 f1.4 A / Σ 85 f1.4

Senior Member
275 posts
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Joined May 2013
Aug 28, 2013 04:47 |  #23

If 17mm is wide enough, F4 is fast enough for u, go for it. I used with 1100d with 17-40L and very happy. Built quality and weather seal is worth for me compared to ef-s lens.

6D, 100L,24-70 F4L, 40mm pancake, 70-300L
Carl Zeiss MP 50​photos/tat3406/ (external link)

Senior Member
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Location: Eastern Oregon
Sep 23, 2013 10:23 |  #24

I've also considered buying this lens for my 7d but ive also heard it is MUCH better on full frame and doesnt perform extremely well on the 7d

Sony A7RIII, Sigma 24-70 f/2.8 Art, Sigma 85mm 1.4 Art, Sony 70-200 f/2.8 GM Samyang 14mm f/2.8,

162 posts
Joined Aug 2011
Location: Central IL
Sep 23, 2013 13:27 |  #25

I think most advise that it performs very well, but it's not worth the money. You get short range, and slow aperature. Most recommend the 17-55 2.8 instead.

60D, 8mm FE, 40mm, 55-250mm, 430 EX II

Senior Member
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Location: Kenny Lake, Alaska
Sep 23, 2013 16:00 |  #26

You might want to visit the Lens Sample section on the 17-55 prior to buying one. I was researching a similar question and several who actually own it seem to have had problems with it. Had both 10-22 and 17-40 with my 7d and am going back to the 17-40.

dumb remark memorialized
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Joined Dec 2006
Sep 23, 2013 16:08 |  #27

Given how well these lenses hold their value, buy the right one for the camera you have now. When you upgrade then you can easily change to a 17-40.

1,246 posts
Likes: 14
Joined Oct 2010
Sep 23, 2013 18:50 |  #28

17-40L is great for full frame/crop shooters. A great UWA for the 6D, but also a solid and small general purpose lens for the wife's SL1.

Senior Member
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Joined Jan 2009
Location: Philippines
Sep 23, 2013 21:16 |  #29

the 17-40 on a crop was ok...but that's about it. the 17-55 and 10-22 are great.

buy the lens that you need now. who knows when you'll be going FF.

Make yourself heard
EOS 6D Mark II, EOS 70D, EF 24mm f/2.8 IS USM, EF 35mm f/2 IS USM, EF 100mm f/2.8L IS USM, Speedlite 430EX​photos/deanmejos/ (external link)

2,113 posts
Likes: 31
Joined Aug 2009
Sep 23, 2013 21:21 |  #30

The 17-40 performs better on a crop than full frame, it just has a different view on the two types of cameras.

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Canon 17-40 on a crop sensor?
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