When choosing which lens to take with me out photographing, it often boils down to a debate between two strategies. Do I use a two-lens strategy where both are the best lenses I own? This will require a lot lens swapping and invariably some dust on the sensor. The other option is a travel lens with a "super zoom," one with a 10 to 1 zoom ratio that requires no lens swapping in the field. It's a good lens, but not quite as sharp as the superior lenses. Since I can't have my cake and eat it too, I'm reduced to picking my compromise.

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