Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
--I believe they are both compromises though the 18-200 is suppose to
be pretty good optically with a sharper wide end than the 17-85
though with more distortions.
In the end, I believe the biggest concern will the whether increased
range or USM is more important.
For someone who currently owns the 17-85, I cannot see advantage in
upgrading to the 18-200. The extra reach just isn't worth the time,
money and hassle of selling the 17-85 and getting the 18-200.