iOptron Counterweight (4.5kg) for CEM26 #3006-10 ZenithStar especially when your instrument is

especially when your instrument is not in temperature - typically at the beginning of a session

Other than the color of the focuser

- ED80 FCD100 Triplet APO refractor telescope

Item Number EPWP6820–01 Focal Length 20mm Length 69

Like the others eyepieces in Explore Scientific 82° Series

iOptron Counterweight (4.5kg) for CEM26 #3006-10 ZenithStar especially when your instrument isiOptron Counterweight (4. 5kg) for CEM26 This 4. 5kg counterweight will fit the following iOptron mounts: CEM26GEM28 CEM40 CEM40EC (early version with 20mm CW shaft ONLY)iEQ30 iEQ30 ProCEM25 CEM25P CEM25ECZEQ25AZ Mount ProMiniTower ProMiniTower IIMiniTower It can also be used for any other mount that has a 20mm diameter counterweight shaft. iOptron Product Code: 3006 10