5-year warranty against manufacturing defects LED cold illuminators: incident (upper) and transmitted (lower); Adjustable focus knob tension; Frosted glass stage plate: 3-3/4inch (95mm) in diameter; White/black plastic stage plate: 3-3/4inch (95mm) in diameter It is also a good choice for students who would like to inspect insects, botanical specimens and etc. The V5 series is designed to produce a full round and centered sound with solid articulation. These mouthpieces are designed with flexibility in mind so you can have the freedom to create. Vandoren SM418 A17 V5 Series Alto Sax Mouthpiece OMAX 20X-40X Dual LED 3D Stereo Microscope with Multi-Power (Batteries and AC Adapter) and All Metal Frame + Premium Quality Optics by OMAX at Microscope Universe. MPN: G223E. Hurry! Limited time offer. Offer valid only while supplies last. This is a cordless stereo binocular LED microscope with viewing head. It can be used on 110V power supplies as well as running with 3 AA batteries , which... Stereo Microscope Price Starting From Rs 2,000/Pc. Find Verified Total magnification: 20X, 40X; Eyepieces: widefield WF10X/20; Rotational objectives: 2X, 4X; Head: 45degrees Inclined binocular with locked-in eyepieces; Diopter adjustment on left ocular-tube; Interpupillary distance: 2-3/16inch - 2-15/16inch(55mm - 75mm); Working distance: 2-1/4inch (57mm); Field of view: 10mm/5mm This is a cordless stereo binocular LED microscope with viewing head. This stereo microscope is a good choice for people who like to collect coins, stamps, rocks, gemstones but with low budget. Head vertical moving range (along the pillar): 2-3/4inch (70mm) Usb Digital Microscope OMAX 20X-40X Cordless Stereo Binocular Student Microscope W Dual LED L Compound Microscope