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Sigma 885101 18-200mm F/3.5-6.3 DC OS HSM Lens for Canon, Black

£44.95£89.90Clearance
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With a reproduction ratio of 1:4.2 (0.24x), the 18-200mm has fair macro capability, but it won't replace a macro lens any time soon. Its minimum close focusing distance is 45mm (just under 18 inches). Although this lens isn't the cheapest of the bunch, the good build quality and optical performance will certainly make this a compelling choice when compared to the competition. The Canon 18-200 IS has the old AF system that moves the focus ring as the AF works, so you have to keep your hands off of it as it moves. The image is sharp. Inside camera sharpening (level 3 or 4) is sufficient to make the picture very sharp. Very good resolution, no flares, good color saturation. I like the build quality. It is better then the 70-300, It doesn't feel like it's going to fall apart, no wobbly parts, etc.

The extending portion of the lens has only a slight amount of play at 18mm, but in the low to mid focal lengths, a moderate amount of play can be felt. Thanks to the optical stabilisation, sharp hand-held images are possible around half the time at shutter speeds as low as 1/40sec at 200mm, which is roughly three stops slower than the usual rule of thumb would dictate is possible. Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Performance The center sharpness at 18 mm is already good starting at full aperture and that increases even more after stopping down 1 stop. After stopping down 2 stops, the corner sharpness is nicely close to the center sharpness. That doesn’t apply for the longer focal distances, where the sharpness in the corners lags behind the center sharpness. In the range of 20 to 90 mm, the Sigma 18-250 mm (where the corners improve with stopping down) appears to perform somewhat better; at 200 mm, the Sigma 18-200 mm seems to do it better. In the whole, it’s an even match between the Sigma 18-250 mm and the Sigma 18-200 mm C, when it comes to sharpness. And if you don’t have these programs available: because the distortion between 28 mm and 200 mm is so constant, you can apply the same correction across the entire zoom range. SIGMA has always been producing a high performance standard zoom lens, dedicated for digital DSLR cameras, that covers up to 200mm by reflecting the latest technology. In 2005, SIGMA released 18-200mm F3.5-6.3 DC as a smallest and lightest all-rounder lens in class that covers from wide-angle to telephoto range. SIGMA, in 2007, incorporated OS (Optical Stabilization) functionality, and in 2011, has successfully made the size of the lens even more compact. Now, this new lens has been redeveloped as the standard zoom lens from SIGMA's new product line, which has higher performance, is even smaller and lighter-weight, and on top of that, includes “the macro feature”. As an entry level interchangeable lens, it is capable of many photographic scenes.

Sigma 18-200mm f/3.5-6.3 DC User Reviews

This is the saddest part of this lens. I consider this a serious oversight, especially when the Nikon 18-200mm VR does this all automatically. Some people expect a megazoom to have the same image quality as much more expensive lenses with a fixed focal length or as many more expensive, bright zoomlenses. That is not realistic. The current megazooms deliver an acceptable image quality across the whole zoom range, which is better than what you get with a compact camera. The center sharpness is often surprisingly high, but the edges and certainly the sharpness in the corners for superzooms is less. Partially, but not completely, that’s correctable by stopping down 1 or 2 stops. That also applies for the Sigma 18-200 mm C. If you shoot the Nikon 18-200mm VR on a D5000/D90/D300 and compare it to files shot on a ( Rebel T1i and this 18-200mm IS, the Nikon looks worlds better at 100%, but who cares? Only nerds look at images blown up that far.

The 18-200mm, like all ''vacation lenses,'' must make concessions to balance optical performance, weight and price. In this regard the Canon lens is not immune. Our copy of the Canon 18-200mm ƒ/3.5-5.6 IS seemed to be very slightly out of alignment, with the effect most noticeable at 18mm (the sharpest region is at the bottom of the frame rather than the center). Some people want to capture all of their memories and experiences (and still have very good quality images)

Latest Reviews

Weighing 595g, this lens isn't overly large or heavy for one that covers such a range and it balances extremely well on the EOS 7D used for testing. Build quality is good, with much of the lens barrel being constructed from high quality textured plastics, typical of Canon's higher-end EF-S lenses. The lens mount is metal and as it is an EF-S has a baffle protruding from the rear to prevent mounting of the lens on incompatible cameras, such as the EOS 10D. FTM (Full Time Manual) focusing is not enabled on the 18-200 IS and the focus ring turns during auto focusing. The 18-200 is 87% as far away when framing this subject size - making its 200mm seem more like 174mm at its longest setting at this moderate distance. I know many L snobs say this is a junk lens but I guess they never ever shoot in Burma or Cambodia with a white lens , to see how the local people there react to their white Ls. This design works well in my opinion - it is very easy to find the part of the lens you will use most frequently.

At 200mm, I am getting solid results at 1/20 sec. with some even longer exposures resulting in sharp images. It is far better than the 18-55 kit lenses with the tiny ring on the extending (wobbly) part of the lens. Being an "EF-S" lens, the 18-200 IS does not have the larger image circle size that a full-frame compatible "EF" lens has and therefore shows more vignetting Weighing only 430g, this optic is lighter and slightly more compact than equivalent superzoom lenses from other manufacturers, and it is almost as small as many standard 18-55mm kit lenses. The lens balances well on the Canon EOS 7D body used for testing, and should also feel right at home on more compact entry-level camera bodies too.

Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Contemporary Specifications

Shooting at 18mm at the lenses widest aperture of f/3.5 it’s possible to see some light drop off in the corners of the image. The effect is lessened at f/4.0, and is almost non-existent at f/5.6. It’s a decent performance considering that f/4.0 is a reasonably wide aperture.

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