The Nikon Brightfield/Darkfield DIC objective lens has a numerical aperture of. 40, making it ideal for Metellurgical microscopy. Made in Japan, this high-quality microscope part from Nikon is designed specifically for metallurgical applications.
With a magnification of 20X, this 210mm objective lens offers crisp and clear images for detailed observation and analysis in various bf/df/dic settings. (200X with 10X eyepieces) In excellent condition. Optical design also ensures a wide field of view and excellent image quality, making it a reliable and valuable accessory for microscopes.