HDP-6000EX High Definition Wideangle conversion Lens 0.79x The new HDP-6000EX 0.79x high definition lens is especially designed for Professional High Definition Camcorders. It maintains sharp focusing while zooming thru the whole zoom range.The HDP-6000EX lens controls the image distortion percentage at the least, less than -2.4%. The lens has an amazing resolution power of 640 lines/mm at center (MTF 30%) to suit the high definition image quality of the camera. With the HDP-6000EX lens attached, there will be no influence on F number of the master lens. The lens has a mounting thread of 72mm, and with an adapter ring of 52mm, 55mm, 62mm, 67mm, 77mm or 82mm, which are sold separately, the lens can be attached on the suitable camera lens. Specifications & Measurements Construction: Sturdy and solid metal body Magnification: Nominal 0.79x, Actual 0.788x Diagonal, 0.788x Horizontal Lens construction: 3-group/4-element, Coated optical glass elements Image distortion: -2.4%(max.wideangle) Front Filter thread: 117mm Mounting thread: 72mm Dimension: 56mm x 120mm Weight: 485g(17.1oz) Accessories Lens protection case Lens caps Instruction manuals