[62111]107FL Rack & Pinion Focuser Basic Set Part # 62111 Description 107FL Rack & Pinion Focuser Basic Set Aperture 107mm Fluorite Focal length 600mm F-ratio 5.6 Lens configuration 2 elements in 2 groups Coating Fully multi-coated Physical length 480mm Tube diameter 80mm Weight 2.8kg (OTA only) Filter 82mm (front cap) Parts included 2107, 7151, 7801, 9850, 7504, 2x7085 & 2x7020 Notes The set includes a pair of mounting rings and riser blocks. Price $2,450.00