... : M57x0.75Working distance215mm & 269mm265mmMagnification changer0.4X, 0.66X, 1X, 1.5X,2,5X 5-step magnification changeNoTotal magnification2.9x-21.7x11xLinear field11mm-84mm24mmBeam ... Splitter50:50 BeamsplitterNoDemonstratorTotal magnification: 2.1x-16.4xOptionalTV adapterC-mount 1/3'' CCD attachableNoPhoto adapterOptionalNoFine ...