20D BIO Lens, Clear, 50mm Volk Lenses for BIO
Superior optics offer enhanced imaging, high magnification, and perfectly corrected for field curvature, astigmatism, and aberrations.
Patented double aspheric glass optics provide enhanced imaging
High magnification provides excellent views of the optic disc and macula
Perfectly corrected for field curvature, astigmatism, aberrations and coma