Labomed Prima GN Model an OB/GYN Colposcope has a 5-step APO chromatic magnification changer, APO optics for superior clarity and color rendition and with ergonomic 120° microscope carrier with adjustable handgrips. The magnification steps are 0.4x, 0.6x, 1.0x, 1.6x, 2.5x with viewing body of Straight-thru binocular / interpupillary range 55-75mm. It's wide-field eyepieces is 10x/16mm with manual fine focus Plan APO objective of f=300mm. It has counter-balanced swivel and suspension arm with individual locking knobs, heavy anti-rust base with locking 84mm anti-static castors, high output 50W LED with fiber optic cable (up to 60,000 hrs life), full intensity flicker-free control without color change, auto illumination shut-off at top parking position and integral filter selector with green and clear filter positions. Prima GN also has Auto illumination shut-off at top parking position, with optional eyepieces of 12.5x/16mm, 16x/16mm, and optional PlanAPO objectives: f=175mm; f=200mm; f=250mm; f=400mm, optional 45° binocular view body. It's Modular design accepts optional component modules and has Optional 5 Megapixel iVu camera module with USB2.0 and composite video out, Optional Dual ‘Assistant’ bridge for simultaneous observation, Optional floor, wall, table, and ceiling mounting, Optional long suspension arm for chair or wall mounted systems and Optional 250W Xenon / fiber optic illumination.