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The Canon EF 17-40mm f/4.0 L USM is a wide-angle lens for FF and APS-C, manufactured from 2003 to 2022 (discontinued). The focus is done by Ultrasonic AF Motor (Ring-USM), it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 999 €;
356 users have given it an average vote of 9.1 out of 10.
MOUNT
This lens is available with the following mounts:
Canon EF: this lens is compatible with reflex fullframe and APS-C Canon EF.
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Pros: Solid, tropical conditions and resistance to flare, wide on FF, great 24-70 on crop, price
Cons: nothing, on APSC. FF on the corners to maximum apertures are bit soft
Opinion: Good L-series I was very happy with the sharpness . A lens that is really good for a landscape. Construction and color rendering at the top, the colors are very loyal and does not enter the lens dominant. I use it with a b + w 10 stop and I was never disappointed. E 'on 400 euro and it is, in my opinion, a good quality for your pictures. As mentioned above, with the crop APSC is uan has made remarkable throughout the frame, which becomes sublime between f 9-11 (values ??almost stringent for a landscape). Everything lies in the use that he wants to do. Ultimately, I would never change this lens, absolutely.
The following opinions have been automatically translated with Google Translate.
Opinion:In 2024 it represents the best quality/price compromise for those who want a wide-angle on FF. Purchased practically new for less than € 250, it is certainly not the best Canon wide angle, but it has the build quality of the L series, representing a good compromise for those who, like me, do not live from photography, but still want valid lenses. As already pointed out by others, you need to close a little to get a good sharpness and the lens hood is definitely bulky, but if you are looking for a lens for landscapes (perhaps using a tripod) without having to break the bank, the 17-40 L is a must have.
Opinion:Bought for less than 300€. I use it on 5d II with full satisfaction. Great for landscapes from f8 and up. It has also been tested in some event/party and is very versatile. Certainly being F4 do not expect an exceptional detachment of the subject from the background (even at 40mm). For those like me who switch from a normal wide-angle to an L-series zoom, the difference is noticeable above all in the colors.
Cons:Honestly I don't know, especially for the price at which it is now!
Opinion:Optics that made me fall in love! I use it on my Canon r6 via adapter and the AF is very fast. On the sharpness side I can't complain, I have never made 100% enlargements but rated the photo for how it is in full screen. Very light and zoom excursion takes place inside the lens, purchased for 330€ I wouldn't know which side to attach it to. He does his very well (personal grade 9/10)
Cons:TA edges, aberrations, stabilization (but at this price...), CAP
Opinion:A well-made, solid, tested optics (depopulated since 2003), with a really good value for money. The focal range allows different photographic possibilities. Leave a little work on the aberrations and, to have a sharpness on the whole frame, the aperture must be closed around f / 8. But if you don't have to take home the work in a nanosecond and you can spend a few more minutes posting, it's a really good lens! Reason why, perhaps, it is not the most suitable lens for the professional who works intensely. The hood is impressive, it's true, but using the lens mainly on a tripod is not a factor that creates particular problems for me and aesthetically I must say that I do not mind. Another interesting feature in my opinion is that, by changing the focal length, the barrel does not protrude beyond the length of the lens, reducing dust infiltration and maintaining a practically identical balance and footprint from 17mm to 40mm. However, if I have to find a mole, especially taking into account that it is an L series, it is the cap: with the hood inserted it is very uncomfortable to put / remove. For comparison, the 50mm f / 1.4 (therefore not the most extraordinary lens from Canon) has a much more "intelligent" cap, with the opening in the center instead of at the edges, so as not to have to rub your fingers on the hood, which in the 17-40 has a velvet that does not get along very well with the fat of the skin. The same problem I found on the 70-200 f/4 L. They are small but really annoying, especially for the series with the red stripe.
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