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tonyguitar
upgrading lens from Tamron 70-300 to Canon L
273 (1291)Am in the market for a lens upgrade also and some of the older photogs here in Canada have suggested the Canon 400 4-5.6 usm as very razor sharp lens.
My humble reasoning is that extra crisp glass allows closer cropping so the newer Canon 70 - 300 f4 will be my next lens. Surprisingly many have testified it is as sharp as the prime 400 Canon. Price here is about $1500 while the Canon 400 still holds out for about $1700 and that's without IS.
My current birding lens is the Tamron 70 - 300 and the AF is often not quick enough to keep up. Examples at; PhotoTonyG.blogspot.com. You can see that I get close enough to birds and ducks, it's the hit and miss auto-focus that costs me many good shots. If the 100 - 300 were not available, then the Canon 400 f4-5.6 would be my next lens.
Many will scold me for this, but I flick day-old [wholewheat] bread to the gulls and this attracts red breasted mergansers, ducks, gannets and grebes in. So far there is no need for more reach than 480mm...what 300 delivers on my T2i camera.
Hope this is helpful. Ps: Gulls eat too much protine so a little bread provides diet variety.
Tags: 70 - 300, Canon, Canon 400, Tamron, Tamron 70-300
Comments
After reading reviews from trusted professional users, there is no need to rent test the lens. It is one of Canon's most recent and has three or four rare earth elements to guarantee clarity. They state that AF is lightening fast and accurate. Of course the build is top notch with seals and weather proofing. The only risk is that one may get a poor copy. It's a gamble we all take but as long as the dealer allows returns or exchanges one should win out eventually. TG
Oh, you can count on good images coming.
In the mean time there are a few on my blog taken with the Tamron 70 - 300. Not all are winners, yet when the Tamron auto focuses in time, the results are pretty good. PhotoTonyG.blogspot.com
For images of eagles, yellow rumps, sea lions, mergansers and Canada west coast wildlife.
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