Just got back from Alaska, look at the photos (including photos taken from a seaplane window). The lens is lightweight, giving you the ability to just hold the camera all the time to shoot at different distances. Every once in a while I've switched to my Tamaron 17 just to get a wider angle. The lens got a little wet in the fog and light rain, as far as I know everything is fine with it. Highly recommended.
Can you provide more context about the word "Discontinued"?
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