Sammanfattning: During extensive shooting and testing, I was impressed with the *ist, particularly with the improved autofocus performance. In reviews of some Pentax ZX-series cameras, I had made the following comment: “The AF system favors accuracy over sheer speed of focus acquisition or tracking of an ultrahigh-speed subject.” The *ist certainly proved superior in this respect, especially when used with a recent Pentax AF lens such as the FA 80-200mm f/4.7-5.6 zoom. With the older FA* 80-200mm f/2.8 ED(IF) model, continuous tracking focus was only moderately fast, but still adequate for tracking go-carts approaching my position...
Publicerad: 2009-08-01, Författare: Margaret , testad av: photoreview.com.au
Sammanfattning: Pentax enters the competitive super-zoom market with the X70, a 12-megapixel digicam with an advanced suit of controls and a 24x optical zoom lens. Covering a focal length range equivalent to 26-624mm in 35mm format, the lens boasts a fast f/2.8 maximu...