Canon 100-400 f/4-5.6L IS
Received word that we can expect to see a direct replacement of the aging EF 100-400 f/4.5-5.6L IS sometime in 2012. It has been rumored quite often that a replacement was coming. Some of those rumors may have been talking about the EF 200-400 f/4L IS 1.4x.
We have the patent from a few months ago to get an idea of the optical formula.
I was told it would be in the $3000 price range, have a rotating zoom, weigh less, be slightly faster on the wide end at f/4 and carry the latest and greatest coatings and IS.
As with most lenses, an exact announcement date is unknown at this time.
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