Pentax lens range for digital SLRs : Five new lenses are announced to supplement the existing range of accessories for digital SLR cameras. The two new fast telephotos smc Pentax DA* 200mm F2.8 ED [IF] SDM and smc Pentax DA* 300mm F4.0 ED [IF] SDM are not only optically astounding but also support the ultrasonic autofocus drive system for fast and quiet operation. Special optical glass including ED glass elements, aspherical lens elements and outstanding lens coating provide for excellent contrast characteristics, a consistent edge-to-edge sharpness and a particularly clear rendition of fine details. As well as the outstanding imaging attributes, Pentax engineers have raised the mechanical characteristics of the lenses to a state-of-the-art level.
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