SZX2-ILLTQ LED BASE Quad position LED transmitted light illumination base. Average LED lifetime: 60,000 hours. Stepless light intensity control. Base 386,5x268.4mm. Compatible with SZX2-FO/FOF/FOFH, SZX-FOA2, SZ2-STS focus units. Max. transmitted illumination diameter: 63 mm. Integrated fixations for optional accessories: Pole, Allen wrench, Screwdriver, Dummy cap x2, Binder x4, Instruction manual