Features:
0.5X stereo microscope assisted objective lens, effectively enlarged the field of view. Significantly increase working distance up to 287mm. Easy to attach on objective, just screw it on. This lens comes with a 1-1/8" (28mm) mounting thread. Double the magnification of original objectives, a very practical objective lens accessories.
Specification:
Material: Metal, Aluminum alloy, Glass Lens
Weight: 120g/4.2oz
Magnification: 0.5X
CCD Interface: 25mm
Working Distance: 287mm
Mounting Thread Size: 28mm/1.1inch

Package List:
1* 0.5X Auxiliary Objective Lens