10X Eyepieces (PAIR) for the SSZ-II microscope series (SZ-BD-B2A & SZ-BD-T3A). Eyepiece housing of 30mm diameter and built-in 5 dual independent diopter adjustment. 5 year warranty. The SSZ Series has the most available optical accessories which are compatible with many major microscope manufacturers on the market today and for discontinued models and makers. Our design is an anti-mold and air- tight sealed body which eliminates the need for regular maintenance and adds additional reliability in most working environments.