When changing magnification the image remains perfectly in focus & centered.
BioBlue 40X-400X Monocular Portable Compound Microscope w/ 18MP USB 3 Digital Camera Precision 2 μm per graduation, 0.4 mm per rotationTotal travel approximately 23 mmSupplied w/ an adjustable rack stop to prevent damage to sample & objectivesThe coarse adjustment is equipped w/ friction controlSTAGE120 x 120 mm plain stage supplied w/ two non-removable object clampsPOLARIZATION EQUIPMENTThe swing-out analyzer is mounted in a slider under the head. The modern microscopes of the BioBlue series are especially developed for educational purposes w/ primary focus on ergonomics & today’s quality Standards. The DIN WF 10x/18 eyepieces & the semi plan achromatic corrected 45 mm DIN objectives of the BioBlue BB4200 generate a crisp high-resolution image.