Very popular scientific, bright field microscope, good conditions; Eyepieces and observation tube: Olympus WH10x/20 L; Revolver and objectives:5 positions / Olympus A4x/0.10 160/inf; A10x/0.25 160/0.17; A20x/0.40 160/0.17; A40x/0.65 160/0.17; A100x/1.30 Oil 160/0.17; Focusing: stage mv / coaxial coarse and fine, adjustable limit stop lock; Filter casette: Stage and sample holder:x-y axes; Condenser centered Abbe 1.25 NA condenser; Illumination: transmitted light, built-in variable-intensity halogen ( 6v 20w), field aperture diaphragm;