Obiettivo Pentax-DA* 50-135mm f2.8 ED [IF] SDM USATO

For a used lens, the glass is remarkably clean and the constant f/2.8 aperture makes indoor shooting effortless. The fast speed really shines at 50mm, and the range covers everything from portraits to tighter candid shots without swapping lenses. Autofocus was snappy on my body, and the sharpness at

Even at f/2.8 the corners stay tack sharp across the whole 50-135mm range, which is exactly what I hoped for from a used lens in this condition. The constant aperture makes it a dream for indoor events where light shifts constantly, and the autofocus is noticeably quicker than my older glass.

Quickly adjusting the focus ring, the build feels reassuringly solid for a used lens. Snagged this for its constant f/2.8; the sharpness across the frame is exactly what I needed for portraits.