
Average Reviews:

(More customer reviews)THE BOTTOM LINE:
I needed to replace the lens on my Canon Rebel XT D-SLR. The EF-S on first glance seemed like the perfect replacement since Canon produced the EF-S series specifically for the compressed sensor D-SLR line. After weighing the pros and cons of the two, I chose this EF lens largely on the basis of price. It was the right choice, and I haven't found any loss of features or quality.
Multiplying the range by 1.6 for a 35mm equivalence (if you have a Rebel XT, 20D or 30D), this model is really just a slightly wide angle to stronger telephoto zoom. (about 45mm-170mm if it was a 35mm film camera) If this range suits you, then this lens is an excellent value over a EF-S wide-angle/telephoto zoom. You'll keep all of the features, save money and have a faster lens.
The EF series meshes well with the current line of Canon digital SLRs. In addition, unlike the EF-S series, they are compatible with all of the Canon EOS products including higher-end cameras like the Mark II.
SPECIFIC OBSERVATIONS FROM WEEKS OF USE:
My first concern before purchasing this lens was the MINIMUM FOCUS DISTANCE of 0.5 meters, or approximately 18 inches. I do a lot of macro work transferring images into digital, so I was a tad worried. However, after getting the lens and zooming in, I realized that the focusing distance wasn't really an issue after all. In most cases, I could manage to stand six or so inches further away and still get a highly magnified shot. So that you can see that the macro function works well, I've uploaded an image of a small hamster photographed at 102mm.
My second concern was lens QUALITY AND SHARPNESS, particularly in the wide-angle setting near the edges of the photo. This lens exceeded my expectations. So that you can see the quality of this lens, I've uploaded an uncropped picture of the SF Bay Bridge taken at the 28mm wide-angle setting. You'll see that the photo is sharp all the way through the edges of the frame. (it is a web-sized jpeg, so you should take that into consideration and use it mainly to see the sharpness of the photo, particularly near the outside edges)
I did get an unexpected bonus with this lens. The MANUAL FOCUS ring is in the front. I love it. Disabling the auto-focus is a snap, and the position and feel of the manual focus is perfect for sports or social activities where the subject is often not the closest object. The ring itself is ridged and made of rubber, making handling a breeze.
While I hadn't expected to replace my stock lens so soon, I think it ended up for the best. This lens is actually superior to the one that came with the XT. I lost some wide-angle function but gained much more telephoto. The price is excellent and the quality of the lens is high.
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Canon EF 28-105mm f/3.5-4.5 II USM Standard Zoom Lens for Canon SLR CamerasThe Canon EF 28-105mm standard zoom lens retains the optical capability of Canon's previous EF 28-105mm USM lens but with a refined exterior design. The lens is distinguished by a ring-type ultra-sonic monitor (USM) drive that provides silent, high-speed autofocusing, along with full-time manual focusing. The 1.6-foot close-focusing distance, meanwhile, lets you take great close-up portraits and nature shots. A good match for the Canon EOS A2/A2e or ELAN 7 series cameras with built-in flashes, the EF 28-105mm lens is an excellent zoom lens for everyday use. The lens carries a one-year warranty.
Focal length: 28-105mm
Maximum aperture: 1:3.5-4.5
Lens construction: 15 elements in 12 groups
Diagonal angle of view: 75 to 23 degrees (at 30 feet)
Focus adjustment: Inner focusing system with USM
Closest focusing distance: 1.6 feet
Zoom system: Rotating type
Filter size: 58mm
Dimensions: 2.8 inches in diameter, 3 inches long
Weight: 13.2 ounces
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