These are a pair of brand new 20X wide field microscope eyepieces. They are Achromatic (International DIN/JIS) standard size with outside diameter of approx. 30 mm. They fit most common size stereo microscopes. Give your microscope a boost with greater power & clarity at a fraction of the cost.

Features & Specifications:

• 20X Magnification Power
• 30.5 mm Mounting Size (in diameter)
• Wide Field of View