0.5X Auxiliary Objective Lens - Precision Optics for Stereo Microscopes, Scientific Research & Video Microscopy, 48mm Mounting Thread, compatible with OLYMPUS Zeiss

[Practical to use]:It doubles the magnification of original objectives, and it is a very practical objective lens accessories. [Easy operation]:It is easy to attach on objective, and you can just screw it on. [Enlarged field of view]:The 0.5X stereo microscope assisted objective lens effectively enlarged the field of view. [Increase working distance]:It significantly increase working distance up to 287mm. [Suitable mounting thread]:This lens comes with a 1-7/8" (48mm) mounting thread.