DPReview postetd some stuff on this lens:
OMG, what would this lens be great for birding! And it is almost just 1/3 of the price of the Canon 800mm...
But honestly, Canon will not produce it . As IMO it would reduce the sold 800mm lenses from Canon.
OMG, what would this lens be great for birding! And it is almost just 1/3 of the price of the Canon 800mm...
But honestly, Canon will not produce it . As IMO it would reduce the sold 800mm lenses from Canon.