Microscope Lenses & Eyepieces

Auxiliary lens for the National Optical 440 series stereo microscope is available in the following magnifications: 0.35x, 0.5x, 1.5x, 2.0x, and 2.5x. Please select desired magnification when ordering. National optical part #s: 703-440, 705-440,...

DIN 60xR objective lens, N.A. 0.85 retractable, for use with National Optical 160 Series.  

DIN 20x Plan Achromat Objective Lens, 0.40 N.A. Note: This item is not returnable.

Widefield 10x, 15x, or 20x eyepieces, paired. 30.5mm diameter. For use with National Optical models: 400 Series 405 Series 409 Series 410 Series 411 Series 415 Series 416 Series 417 Series 420 Series 420T Series 430 Series 440 Series 446 Series 447...