3012 Microscope Series Designed for years of high quality use, the 3012 is an upright microscope with outstanding optical performance combined with elegant ergonomic touches. The 3012 incorporates ACCU-SCOPE"™s exclusive infinity optical system which excels at correcting both chromatic aberration and curvature of the field of view. A new series of Plan Achromat objectives have been designed especially for the 3012 with excellent optical corrections and very flat optical performance. This means clear, bright images at every magnification. Specifications Optical system: Infinity Optical system Magnification: 40-1500x Illumination: 12V-20W halogen lamp, lamp changeable by removing the collector unit Coarse & fine focus: Coaxial coarse/fine focusing knob Eyepiece tube: Binocular/ Trinocular tube (inclination:30 degrees, ,360 degree rotatable Siedentopf-type, Interpupillary distance: 47-75mm Eyepiece: WF10X/22mm or WF15X/12mm Condenser: Abbe condenser, N.A.1.25 (aperture diaphragm with position guide marking for respective objectives Nosepiece: Quadruple/ quintuple revolving mechanism with multiple ball bearing Objectives: Infinity plan achromat 4x,N.A. 0.1,10x,N.A. 0.25, 40x,N.A.0.65, 100xR oil N.A. 1.25 Stage: Rackless rectangular 188X150mm surface stag. Cross travel 78X54mm using low-positioned X/Y coaxial control knob Substage: Adjustable vertical condenser movement range:10mm Optional accessories: Phase contrast attachment, Darkfield Polarization, Storage case, 20x and 50xR oil