Binocular Stereo Microscope Zoom 3.5x~90x

This is a binocular zoom stereo microscope. The equipped 0.5x barlow lens allows the user to have extra long 6-1/2 inch working distance and 2 inch extra large field of view. It has upper and lower halogen lights which are mostly used in a microscope. Although the life time is not as long as LED lights but they are easy to replace and very low cost for the replacement. The objective zoom ratio is as high as 1:6.5. Features: Plug and see, no special knowledge needed Top quality optical glass elements Zoom range 3.5x~90x Extemely long working distance and field of view with 0.5x eauxiliary lens 45°inclined 360°rotatable binocular head Individual adjustable intensity incident and transmitted lights Upper (incident) light has 90° inclination range Sharp erect stereo images over a wide field view Both ocular tubes have diopter adjustment Adjustable inter-pupillary distance to fit anyone's eyes Sturdy metal framework Easy mounting ring lights (sold separately) Product GS and CE approve