BX3-UCD8A-1-3 MOT. CONDENSOR Motorised universal condenser with achromatic / aplanatic correction for BX63F, BX53F and BX43F frames. 8-position turret for optical inserts (3x 19.5 mm diameter and 5x 30 mm diameter) integrated. Numerical aperture of 0.9 with dry top lens and 1.4 with oil top lens. Working distance of 1.5 mm when used without immersion and 0.6 when used with immersion oil. Motorised top lens swing-in and swing-out mechanism as well as polarizer in/out functionality. Motorized aperture stop opening and closing.