https://community.usa.canon.com/t5/EF-RF-Lenses/Must-have-in-a-lens/m-p/13643#M20808 <P>Over the years I have come to like certain features designed into lens'.</P><P>One, must have, is a fixed f-stop. I really don't like lens that change there f ratio as you zoom them.</P><P>Sometimes you just don't have a choice. But fortunately, most of them are lower quality consumer lens and not “L”.</P><P>Second I really like a lens that doesn't change it's shape as you zoom it. A lot more difficult to find.</P><P>Even high end lens' do this.</P><P>&nbsp;</P><P>The Canon 70-200mm F2.8 is quickly becoming my favorite lens of all time and I have been at this for 40 years. This lens has no peers. It is fantastic.</P><P>&nbsp;</P><P>The Sigma 50-150mm F2.8 is running at close second. Not an "L", but not bad at all.</P><P>&nbsp;</P><P>Canon are you listening?</P> Wed, 06 Feb 2013 16:10:31 GMT ebiggs1 2013-02-06T16:10:31Z https://community.usa.canon.com/t5/EF-RF-Lenses/Must-have-in-a-lens/m-p/13643#M20808 <P>Over the years I have come to like certain features designed into lens'.</P><P>One, must have, is a fixed f-stop. I really don't like lens that change there f ratio as you zoom them.</P><P>Sometimes you just don't have a choice. But fortunately, most of them are lower quality consumer lens and not “L”.</P><P>Second I really like a lens that doesn't change it's shape as you zoom it. A lot more difficult to find.</P><P>Even high end lens' do this.</P><P>&nbsp;</P><P>The Canon 70-200mm F2.8 is quickly becoming my favorite lens of all time and I have been at this for 40 years. This lens has no peers. It is fantastic.</P><P>&nbsp;</P><P>The Sigma 50-150mm F2.8 is running at close second. Not an "L", but not bad at all.</P><P>&nbsp;</P><P>Canon are you listening?</P> Wed, 06 Feb 2013 16:10:31 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Must-have-in-a-lens/m-p/13643#M20808 ebiggs1 2013-02-06T16:10:31Z