Tag Archives: Sigma 50-200mm

Regrettably, the vendor didn’t fully test compatibility of the lens along with all Pentax video cameras. Thus, while it seemed to be a great lens, the autofocus function was inoperable upon my Pentax K10-D. I thus returned the actual lens considering that the manual focus ring on the lens didn’t operate easily. It was not enough of much for me personally to forgo the actual autofocus function.
I’m sure it is a fine lens not just for K10-D owners. (more…)