Konus College 600X Biological Microscope. Double regulation micrometrical and macrometrical focusing. Light condenser lens iris diaphragm with filter-holder. Dust cover and instructions included. Features and Specifications of Konus College 600X Biological Microscope: 15X Wide angle eyepiece Straight hollow tube focal length 160mm. Can be used for photography Three achromatic objective lenses lenses: 4X (60X) 10X (150x) 40X (600X) Wide 120x110mm stage which can be used with a repeater stage Double focus adjustments macro metric and micrometric for fine regulation both sides Lens protective focus lock Light condenser lens to regulate incoming light Iris diaphragm and filter holder Solid stable metal stand can be inclined to 90 degrees for more comfortable observation Flat concave mirror 46mm w/support pin to illuminate from the side or front Slide clip Dust cover Optional accessories available Package Contents: Konus College 600X Biological Microscope #5302 Specifications for Konus College 600X Biological Microscope - 5302: Manufacturer: Konus Microscope Type: Compound Illumination Type: Mirror Microscope Age Group: Youth