Date: Fri, 26 Mar 2004 09:29:16 -0800 From: "Chip Louie" <[EMAIL PROTECTED]> Subject: RE: EOS Silly question about IS
There are a couple of generations of Canon's IS, the first generation was on
the old lenses like the EF 75-300IS and EF 28-135IS zooms. These were slow,
mediocre performing lenses optically that were made sales successes by with
addition of IS. These lenses have only one mode of operation useful only
for single shots taken in one-shot AF mode of stationary subjects. I've
tried to use the EF 28-135IS lens but this lens is too soft to use at wide
open apertures like I can with my "L" zooms. The EF 28-135IS is also very
slow optically (f3.5-5.6, the 3.5 is deceiving as it get slow very quickly
as you zoom), the AF is slowish and once you get past 100mm images get soft
very fast unless stopped way down to min. f/11-f/16.
I think you will find you are in the minority about your disappointment with the 28-135. Certainly not an "L" lens but certainly most would consider it better than mediocre. It is a great multipurpose lens and have travelled with only that lens and have been very happy with results. Also, how many lenses do you have IS in the 28 range? I think the 70-300 IS is a different story, but the 28-135 has gotten pretty good reviews by most.
Sincerely,
Jon
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