Let's see... 2.8 IS: 1470 g 2.8: 1310 g 4 IS: 760 g 4: 705 g
For those unfamiliar with the metric system, 1 oz = 28.3 g. 1 lb = 454 g. So the f/4 versions weigh about half of the f/2.8 versions. Makes a difference on a backpacking trip. Tom On 8/24/06, Jane Waters <[EMAIL PROTECTED]> wrote:
Read all this today, and some is really cool. I wonder why someone would want to buy a 70-200 f/4 if they can buy it faster at f/2.8... one of the joys of owning that lens (IS version) is its speed in the field. I hand-hold it all the time and it never ceases to impress me.
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