Sigma 50mm f/2.8 EX DG Macro Lens (Pentax AF) This 50mm f/2.8 EX DG lens has been optimised for use with Digital SLR cameras. The MACRO 50mm F2.8 EX DG incorporates the very latest optical technology and is an ideal standard lens for digital SLR cameras. This advanced lens design corrects various aberrations and is specially coated to ge... More
Sigma 300mm f/2.8 EX DG (Pentax AF) Lens Construction: 12 Elements in 10 GroupsAngle of View: 8.2 degreesNumber of Diaphragm Blades: 9 BladesMinimum Aperture: F32Minimum Focusing Distance: 200cmMaximum Magnification: 1:7.5Filter Size: Diameter 46mm (Rear)Dimensions: Diameter 119mm x Length 214mm11.9 cm. x 21.3 cmWeight: 2400g... More
