dcstep
Senior Member
I don't understand why everyone isn't giving this teleconverter 4 or 5-stars. I'm using it on my FE 100-400mm f/4.5-5.6 GM OSS and FE 400mm f/2.8 GM OSS, with an a9 body, an a7RIII and a 6400. The image quality is excellent. Here's a shot with the 400mm on the a9:
Not only is the IQ great, but the AF speed is fast enough for bird-in-flight at 30-mph, as below:
Is suspect user error from those giving this incredible piece of equipment a low review.
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Dave
Not only is the IQ great, but the AF speed is fast enough for bird-in-flight at 30-mph, as below:
Is suspect user error from those giving this incredible piece of equipment a low review.
--
Dave

























