Our business in Peru is very interested to buy a Microscopy, but we need to know the different prices. We need a microscopy with the follow characteristics: Optical system with magnifying opener to observe with glasses. Diopter Correction System: Viewing Angle, Working Distance, Magnification Range, Maximum Resolution, Maximum Numeric Aperture, Visual Field Diameter, Anchors, Interpupillary Distance, Beam Path, Focus Knob. ASA ES2 10 ° Greenough. Parfocal 2 levels, 3: 1 10X / 20 fixed mounting 60 ° 100 mm 10X / 30X 159 Lp / mm 0.053 nA 20 mm / 6.7 swappable from 50 to 75 mm 100% visual integrating individually adjustable adjustable running smoothness With travel of 75 mm. Show More