Bought one, loved it. Then bought a second for my wife to use. Bought the Sigma 150-600mm. It was so good I sold the first 100-400. Then missed the 100-400 so much I bought a third. All 3 copies were excellent. But number 3 is as tack sharp from edge to edge as the 400 DO II. I passed the R as, sorry folks, it is not up to 5DIV for BIF.Why three copies of the 100-400mm II Alan?
I have one and its a good lens but I'm not sure its much better than Sigma's or Tamrons lens competitor 150-600mm lens.
It's a flexible lens but I thought overpriced at its original price.
Is the R5 your first venture into mirrorless or do you have the R/RP
I'll be very interesting in real reviews of the R5 and the 100-500mm. Every mp and mm matters when it comes to birds.
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