Head: 45 degree inclined 360 degree rotatable trinocular head
Eyepieces: high eye point wide field WF10X/22
Adjustable interpupillary distance: 2-1/4 inch - 2-15/16 inch (54~75mm)
Zoom ratio: 1:26; Diopter regulator on both eyepieces
Barlow lens: 0.5X 165mm working distance and 2.0X 30mm working distance
Objectives: zoom 0.67X-4.5X
Working distance: 165 mm
Field of view: 1-15/16 inch (33mm) at 6.7x magnification, 3/16 inch (4.9mm) at 45x magnification;
Mounting size of auxiliary lens and ring lights: 48mm female thread
Body mounting ring size: 76mm