Magnification: 40x, 100x, 400xOptical head: MonocularObjectives: Standard achromatic objectives 4x achromatic N.A. 0.10 10x achromatic N.A. 0.25 40x achromatic N.A. 0.65 (spring front)Eyepiece: 10x, wide-fieldCondenser: N.A. 0.65Diaphragm: Iris diaphragm for continuous adjustment of brightness and contrast.Illumination: 3 LED´s. Built into base. Continuously variable intensity adjustment.Focus: Coarse and fine adjustment.Slide protection: Built-in adjustable stopper to prevent accidental damage to either the specimen or the objective front lensComplete with transformer and dust cover.