Average Reviews:
(More customer reviews)These lenses are not easy to find, but I have found a few dealers who sell them.
I know that Sigma makes the lenses for Quantaray, but as for quality, I am guessing that the Quantaray line is Sigma's inexpensive line for hobbyists and amateurs. That said, I wanted to comment on how well my Quantaray 18-200mm has been for me.
Ever since I first bought this lens, I have enjoyed countless photos. The lens has seen trips & vacations, portraits, weddings, and even an engagement session. I have captured some wonderful memories for myself and clients with this lens.
Granted, it is not Sigma's top brand, but it does do the job and after 3 years of owning this lens, I can say, I am wholly pleased with my choice. It doesn't pack the sucker-punch to the wallet, but it's still great quality. :)A Canon equivalent would cost three times as much, but if you're on a budget, like I am, sometimes you just have to compromise.
All in all, if you go for this lens, you wouldn't be sacrificing much. If you're just starting out, I'd highly recommend this to get you going, as this is a highly versatile product.
One thing to note tho, is if you own a full-frame camera, you'll want to stay away from this lens and go for the Sigma DG series. The DC series, is for crop-sensor cameras (XXXD Rebels, XXD's, et. al). Thankfully this works wonderfully on my Canon EOS 30D flawlessly. It,sadly, does not work with my 5D mark II; even though it fits on the camera, it causes severe vignetting. Even though that's a drawback, it's not something to warrant one less star for this wonderful lens.
Click Here to see more reviews about: 18-200 mm DC 3.5-6.3 Lens f/Canon DSLR
Exclusively designed for use with digital SLR cameras featuring APS-C size image sensor.
High zoom ratio 11:1.
Compact, Lightweight and Durable construction with diameter of 70mm (2.8 in.), length of 78.1mm (3.1 in.) and weight of 405g./14.3oz. Lens has Metal Mount.
Minimum focusing distance of 45cm (17.7 in.) at all focal lengths.
Compact, Lightweight Superzoom lens, with high zoom ratio 11:1
This high zoom ratio lens is exclusively designed for digital SLR cameras and capable of covering a wide range of focal lengths from wide-angle to telephoto. Two Special Low Dispersion (SLD) glass elements and two hybrid aspherical lenses offer the utmost correction for all types of aberrations, and enables this extended range super zoom lens to be housed in a compact and lightweight construction of 70mm (2.8 in.) diameter, and 78.1mm (3.1 in.) in length, and weighing just 405g/14.3oz. The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has a minimum focusing distance of 45cm (17.7 in.) at all focal lengths and has maximum magnification of 1:4.4.
The lens design incorporates an inner focusing system, which prevents the front of the lens from rotating, making it particularly suitable for using circular polarizing filters and petal shaped lens hoods. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. A zoom lock switch eliminates zoom creep during transportation, a convenient addition when traveling.
Click here for more information about 18-200 mm DC 3.5-6.3 Lens f/Canon DSLR
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