Eyepiece Secured wide field eyepiece WF 10x/18 mm with fixed pointer Observation tube Monocular 45° inclined tube, 360° rotation. Tube length 160 mm Nosepiece Nosepiece for 3 objectives. Ball-bearing mechanism and click-stops Objectives Achromatic 4x N.A. 0.10, 10x N.A. 0.25 and S40x N.A. 0.65 35 mm parafocal objectives. The S40x objective is spring-mounted Stages Square stage 105 x 105 mm with two object clamps Focus control Coaxial coarse- and fine adjustment knobs on both sides with 0.002 mm graduations. Friction of focus control can be adjusted Condenser Fixed lens N.A. 0.65 condenser with iris diaphragm and filter holder Illumination LED 1 Watt illumination with intensity control, rechargeable batteries with external power supply/charger Packaging Complete with spare fuse, manual and dustcover in styrofoam case