Sigma 170-500mm f/5-6.3 APO (Sony A / Konica/Minolta AF) £534.23
This compact aporchromatic ultra telephoto zoom lens covers the range up to 500mm and it is ideal for taking sport, nature and landcape photographs.This lens uses one aspherical lens and three SLD glasses for excellent correction of chromatic aberration. Colour aberration in the secondary spectrum is compensated by using three pieces of Special Low-Dispersion glass (SLD), and making high-quality images a reality throughout the entire zoom