Reviews and Problems with Canon EF-S 18-200mm f/3.5-5.6 IS
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Canon EF-S 18-200mm f/3.5-5.6 IS Review
What Digital Camera
18 February 2013
Summary: Overall, however, this is a very impressive lens given its 11x zoom range. The weaknesses noted above should not be given undue weight as there is no denying the fact that this is a versatile and capable lens that has the potential to keep APS-C users happy for many years to come.
Conclusion: The EF-S 18-200mm F3.5-5.6 IS is a lens which many Canon users have been waiting for with great anticipation, as an ideal 'all-in-one' lens for travel and 'walkaround' use. In the flesh it behaves much as we'd expect from such an ambitious design, as an 11x zoom range will always necessitate some...
Pros: Huge 11x focal length range, ideal general purpose and travel lens, Excellent image stabilization system, consistently delivering three to four stops benefit, Good central sharpness at all focal lengths (but inconsistent corners), Attractive rendition of out-of-focus regions of the image, Improve...
Cons: Poor sharpness across much of the frame at 18mm and wider apertures, Pronounced barrel distortion at wideangle, and pincushion distortion around 50mm, High levels of chromatic aberration at either end of the zoom range
Excerpt: A 29-320mm equivalent on APS-C Canon EOS models, this lens ($700, street) boasts the broadest zoom range of any interchangeable optic from Canon to date: 11X. A high-end kit option for EOS 50D owners, it probably owes its existence to the phenomenal success of Nikon's 18-200mm f/3.5-5.6 VR Nikkor.
Summary: Canon’s EF-S 18-200mm IS is quite simply the lens many Canon DSLR owners have been waiting for. It equips EF-S compatible models with a massive 11.1x optical zoom range, equivalent to 29-320mm, and crucially includes Image Stabilisation to iron out any camera shake.
Pros: Enormously flexible 11.1x optical range., Effective Image Stabilisation., Lock control to prevent barrel from extending., End section doesn’t rotate when focusing.
Cons: Noticeable barrel distortion at 18mm., Softness and fringing in corners., No USM focusing or full-time MF., Some creep on the barrel.
Conclusion: EF-S 18-200mm f3.5-5.6 IS Specifications Focal Length & Maximum Aperture 18-200mm f/3.5-5.6 Lens Construction 16 elements in 12 groups, including UD-glass and aspherical lenses Diagonal Angle of View 74° 20' - 7° 50' (with APS-C image sensors) Focus Adjustment Gear-driven by DC monitor Closest...
Excerpt: Originally posted 2011-06-12 on Optyczne.pl There are a lot of 18-2xx mm class lenses available on the market. Tamron offers as many as three such devices, there are two Sigmas, one Pentax, one Sony and one Nikkor (although, to be honest you must add that Nikon has launched two other lenses in this...
Cons: average image quality on the edge of the frame,, chromatic aberration corrected weakly,, significant distortion,, huge vignetting,, distinct astigmatism at the shortest focal length,, modest accessory kit.
Canon EF-S 18-200mm f/3.5-5.6 IS - Review / Test Report
31 October 2008
Conclusion: Canon had a somewhat weird timing regarding the release of their EF-S 18-200mm f/3.5-5.6 IS. It is extremely difficult to design such a lens to start with and more so under low-cost requirements.