▪ Magnification of 0.75× - 4.5× (zoom ratio of 6:1) ▪ Bright lens with Effective F No. of 8.4 ▪ Equipped with variable aperture and built in focus adjustment function (+/- 3 mm) ▪ High NA 0.12 (at 4.5×) ▪ Long WD = 70.9 mm ▪ Includes uniform episcopic coaxial illumination function that covers the entire field of view ▪ 90 degree L-shaped option and various accessories