Objective lens, digital aluminum alloy stereo video microscope glass lenses for SZM

Features: 1. 0.5X stereo microscope-assisted objective lens, effectively enlarges the field of view.2. Significantly increase the working distance up to 287mm.3. Easy to attach to the lens, just screw it.4. This lens comes with a 1-1/85. Doubles the magnification of the original lenses, a very practical lens accessory. Specifications: Features: 0.5X stereo microscope-assisted objective lens, effectively enlarges the field of view. Significantly increases working distance up to 287mm. Easy to attach to the lens, simply screw it on. This lens comes with a 1-1/8" (28mm) mounting thread. Double the magnification of your original lenses with this very practical lens accessory. Specification: Material: Metal, Aluminum alloy, Glass lens Weight: 120g/4.2oz Magnification: 0.5X CCD Interface: 25mm Working Distance: 287mm Mounting Thread Size: 28mm/1.1in Package List: 1* 0.5X Auxiliary Lens