Canon EF-S 18-200mm f/3.5-5.6 IS
This lens has to be accepted for what it is: a general purpose solution which allows the photographer not to worry about fiddling around changing lenses when out traveling, but which makes inevitable optical compromises to achieve this goal. The superb image stabilizer extends the capability of the lens still further, allowing you to keep the lens stopped down to optimum apertures for longer as light levels drop.
General-purpose use, such as travelling, where the wide zoom range and effective image stabilization combine to give a very useful package
Critical work, where the compromises necessary to maintain the zoom range become clearest - particularly CA and distortion.
Review of Canon EF-S 18-200mm f/3.5-5.6 IS
By: SLR Gear
To sum up, the Canon 18-200mm /3.5-5.6 IS offers slightly better performance than we're accustomed to seeing with vacation lenses, with image stabilization thrown into a very portable form factor. Users who seek optical perfection shouldn't flock to this lens, but when used stopped down by one or two stops, it'll give fairly impressive results. On its own, it's a decent lens, but users...
Canon EF-S 18-200mm f/3.5-5.6 IS review
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. By delivering wide angle to decent telephoto coverage, it could be the only lens many owners will ever need. Like other ...