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Product Description
A new and affordable L-series ultra-wide-angle zoom lens that's ideal for
both film and digital SLRs. Superior optics are assured by the use of
three aspherical lens elements, in addition to a Super UD (Ultra-low
Dispersion) glass element. Optical coatings are optimized for use with
digital cameras. This lens focuses as close as 11 inches (0.28m), and
offers both Canon's full-time manual focus and a powerful ring-type USM
for fast and silent AF. It has a constant f/4 maximum aperture, and offers
the choice of screw-in 77mm filters or a holder in the rear of the lens
for up to three gel filters. Finally, it offers weather-resistant
construction similar to other high-end L-series lenses.
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Product Reviews:
Sweet spot- quality, focal length & value, April 4, 2006
Reviewer: Tom Verghese
Canon's L lenses are generally expensive, for good reason. Along with the
70-200 F/4 L, this lens is probably the best overall value in L glass.
Build quality leaps out even when you hold the lens in your hand, size
/weight/ balance is perfect (for me), optics are excellent, focal length
(17-40mm) is extremely useful for digital shooters (with a 1.6 crop factor
SLR such as the Canon 20D).
My only complaint is that it is often not fast enough for indoor/available
light shooting (without a flash, which I do not like to use if at all
possible). On the other hand, the 16-35mm F/2.8 is twice the price and not
noticeably better (at F4 and over)
I have compared it to Canon's non-L primes such as the - 20mm, 28m etc. It
compares well in terms of clarity, sharpness, color
rendition.... and it is cheaper than buying all these primes and a lot
easier to carry, besides being much more versatile in a real life shooting
situation.
For this range of focal length, it is a GREAT CHOICE!
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Great Wide Angle L lens, March 15, 2006
Reviewer: J. Yeh
I have both 16-35 and this 17-40. I end up using 17-40 lot more than
16-35. No doubt, 16-35 is a better lens, faster, wider, but this only
helps in one condition: indoor shots where flash and tripod is prohibited.
I bump into this situation when I was in the Hearst Castle and 16-36
helped a lot. Another situation is indoor-event without flash, but not too
often you'll bump into this situation. Maybe funeral service inside the
church?
Again, these situations are rare. Usually I use the wide angle lens for
landscape shots or group photos. For landscape, I'm not going to use f/2.8
anyway. For group photos, it's another no-no.
Therefore, 17-40 is a more reasonable choice. Again, it's F/4, but you
don't have too many chances to use f/2.8 anyway. It's half the cost and
it's lighter.
Many first-time users of DSLR face the situation of buying a wide angle
lens. I highly recommend 17-40. It's one of the cheapest L lens but you'll
end up with much better pictures. The results are instant. Of course, if
you have enough cash, buy 16-35, but you'll find yourself reducing
aperture most of the time, which, isn't that what 17-40 can do?
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Great general lens for a digital SLR, March 9, 2006
Reviewer: J. G. MATHIESON "CA tech lover"
If, like me, you are a fan of wide angle shots with their greater sense of
depth, and encompassing vision, then you will love this lens.
The 1.6X multiplier of my Rebel XT takes away the extreme wide angle
capability of this lens, but nevertheless the range is impressive at an
effective 27 to 64mm. This makes the lens a very effective general purpose
lens, ranging from a great wide angle to slight telephoto. I normally
leave this lens on my camera, only swapping it for a telephoto zoom for
outdoor/sports shots.
The quality is just great - the pictures jump out at you for their color,
contrast and sharpness. Even though this lens costs almost as much as the
camera body, there is no question that it is worth every penny. If you are
thinking of buying the new 30D with a lesser lens, then you might want to
consider saving the money on the body and splurging on this lens instead.
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Superb lens, March 9, 2006
Reviewer: S. Dennis
This lens is the best purchase that I've made yet for my Canon Rebel XT.
Amazing color, contrast, and sharp. It's my everyday lens and money will
spent.
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Amazing wide angle lens!, February 22, 2006
Reviewer: Mike_Aud
I just bought this lens and am totally in love with it. The wide-angle is
beautiful, captures great area without distortion around the edges which
is exactly what I was looking for. Fast and light, the performance has
been excellent. This is my first L lens and I am totally hooked, will
definitely invest in L's in the future. The only thing negative I can say
at all is that when you have the hood attached, and use the built-in
flash, it casts a small shadow. I usually use a mounted flash anyway so it
doesn't affect my shots, but if you only use the built-in flash, be aware
of this.
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