This Zeiss LD A-Plan microscope objective lens is perfect for those in the biological laboratory discipline. With a magnification of 20x and a high numerical aperture of 0.30, this lens provides excellent image quality for your research needs. The lens is compatible with various models, including the 1006-591, and is ideal for use in medical and lab equipment attachments and accessories. It's a great addition to any microscope setup, providing clear and precise imaging for your experiments.