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Tamron SP AF Aspherical IF 20-40 mm F/2....
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Tamron SP AF Aspherical IF 20-40 mm F/2.7-3.5 Aspherical AF IF Lens For Canon

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Product description
Product Information
Lightweight design and a short barrel make the Tamron AF66C-700 ideal for travel and any kind of photography on-the-go. This Tamron camera lens for Canon uses a fast autofocus that allows photographers to shoot continuously without having to adjust for new focus distances. With a 20 mm - 40 mm focal range, this lens is a common choice for general photography. Users can enjoy a 20 mm - 40 mm f/2.7-3.5 lens view with the Tamron AF66C-700, captured in crystal clarity and taking in the whole picture. 15-elements in 12 groups inside this 20 mm - 40 mm f/2.7-3.5 lens provide a sharp image, while two aspherical wide elements in the front and the back of the lens utilize multi-coating. Multi-coating keeps colors crisp and vibrant, blocking out harmful UV rays that might cause distortion. A 6-blade diaphragm provides smooth edges around every image. The coating on this Tamron camera lens for Canon also helps block out aberrations and ghosting, as well as lens flares. This quality Tamron AF66C-700 lens is designed to work with many Canon cameras and fits 72 mm filters. Including an ultra wide-angle lens in the tool kit can mean never having to miss the opportunity to capture a stunning image, near or far.

Product Highlights

Product Identifiers
ModelAF Aspherical [IF]

Lens System
TypeAspheric, Wide Angle
Focus TypeAuto & Manual
Focal Length (mm)20-40 mm

Compatible BrandCanon

eBay Product ID: EPID99699505

Reviews & Research

Customer Reviews

Average review score based on 6 user reviews


of customers recommend this product

Rating distributions

    Created: 05/31/08

    A very good lens available at a very good price

    I've been considering getting this lens for some time, and happened to catch a very good deal on it. I have not been disappointed. Overall, it's a very good lens, in a very good focal length (better with film or a full frame, but a useful wide angle even with a digital factor)

    The good:

    The color rendering on my example is about perfect, not quite as warm as most Nikkor's, but not as cool as most other wide zooms. Other examples have been reviewed as being much cooler than the Nikkors, so don't expect too much, and hopefully you'll be pleasantly surprised!

    I also appreciate the quality of the build, mostly metal, but with enough plastic to save some weight (and undoubtedly money in manufacturing)

    It's a sharp lens, not as sharp as I'd like at 20mm F2.7, but I haven't found a zoom in this range yet that was as sharp as I wanted wide open. By the time it's stopped to F4 it's as sharp as or sharper than any nikkor I've used in a similar focal length.

    The focus ring has been reported as not being well damped on some examples, but mine's damped enough without being stiff. Again not all of these are created equally I guess!

    Speaking of focusing, it's quick, and focuses better in low-light situations than any of my other F2.8 zooms.

    The lens has a 77mm filter ring, which matches my other lenses, not a huge deal, but a plus for sure!

    And of course; Cost! I picked mine up for well under $100 shipped, The lenses sold for $750 back in '02 or '03 and can still be found used at major sites for about $400 or so, but if you shop around Ebay, you can find a deal.

    It's probably the lens in my bag I spent the least money on (okay the second least, there's the $5 pawn shop 55mm F1.2, but that's another story) and it's probably my favorite every day lens!

    The not so good:

    The lens isn't a Nikkor, and if you expect it to behave like one, you'll be disappointed.

    I use the lens for Infrared work as well, and it starts to hot-spot at around F8, which is unfortunate, because the lens needs to be stopped down to F8 to focus to infinity on my camera (would be different with an external filter, but my camera's converted to IR) I'll end up resetting focus on my IR camera for this lens to solve the problem.

    Yeah, that's all I can think of!

    I'm thoroughly impressed.

    0 of 1 people found this review helpful. Was this review helpful? Yes | No

    Created: 10/24/10

    Great Lens for Full Frame Digital -- Excellent-- Good++

    This is an older design from Tamron. This focal length range is perfect for my Nikon D700. Together with a 70-200mm F2.8, and a 12-24mm it covers just about all my needs for travel, landscape and architecture. Perhaps I would bring in a couple of primes such as 85mm F1.4 and 24mm F1.4 for portraits and candids. All these makes for a fast, complete full frame set up. The 20-40mm range almost qualifies it as a "normal-wide", can stay on the camera most of the time.

    This Tamron SP lens is well made, sharp. Lower distortion than some Nikkors, especially at 20mm. It is unfortunately prone to flair. I found the petal hood is not quite good enough.

    Was this review helpful? Yes | No

    Created: 09/08/08

    An unexpected good lens

    I changed from Canon EOS 1-DsMKII to Nikon D3. I sold my Canon gear with L lenses. I got this Tamron lens 20-40mm for a good price on ebay in perfect condition. This is a very good lens, sharp and good contrast. I set on the D3 body the seting for color a little bit higher and got perfect pictures. I think I will not pay the high priced Nikon lens zoom, because I am very happy with this lens. The D3 body erlaud you the ISO settings to change on 3200 with out lost on sharpnes and still good on ISO 6400. You get real desent quality with this lens. May you spend money on a new Zeiss lens for perfection. There is 7 new lenses with F mount on the market. I use a 25/50/85mm Zeiss in manual mode. But this Tamron zoom is a very good lens and you will be happy to get one.

    0 of 1 people found this review helpful. Was this review helpful? Yes | No

    Created: 01/02/07

    Review of Tamron 20-40mm

    I have a lot of lens for nikon mount.
    I need to wide angel lens, so I bought nikon 24mm 2.8D, this is very sharp and fast but the angel is some narrow for landscape.

    So, I changed lens nikon 20-35mm 2.8D, very sharp and good color for portrait.
    I thought this lens for professional, not for me like family user.

    I saw this lens tamron 20-40mm at SLR user club
    As I got it first, very heavey, and look like expensive.
    Firt shot, picture was very sharp at a maximum aperture and some fast at in house.
    Also good performance for portrait and landscape.

    I have plan to review this lens more detaily in short furture.

    I am strong recommend to all of SLR user.

    2 of 3 people found this review helpful. Was this review helpful? Yes | No

    Feature ratings

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    • Size / weight
    • Value for money
    Created: 12/31/13

    Perfect lens for such price :)

    Yes, I would recommend this product to a friend.

    Old, optically good lens, just perfect for such price :)

    + Very, very sharp lens
    - Slow, inaccurate autofocus in low light

    Was this review helpful? Yes | No

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