Equipped with high-quality optics, the Unitron Z645 delivers sharp, distortion-free images across the entire field of view, enabling researchers, technicians, and educators to conduct accurate examinations and investigations. Its ergonomic design ensures comfortable usage over extended periods, minimizing fatigue during prolonged observation sessions. The microscope has a 0.67x to 4.5x zoom range and uses a standard 10X eyepiece.  It is an excellent stereo and inspection microscope 

Specifications

• Binocular viewing head with 45° viewing angle
• 1.0x glass lens shield
• Widefield 10x/22mm focusing eyepieces
• 0.67x – 4.5x zoom magnification range
• 6.7:1 Zoom ratio
• Magnification range 6.7x-45x (with 10x eyepieces), with click stops at 0.67, 0.8, 1, 1.2, 1.5, 2, 2.5, 3, 3.5, 4 and 4.5; with adjustable zoom range limits
• Interpupillary Distance Adjustment 52mm – 76mm
• Field of view 32.8mm - 4.8mm (1x or no auxiliary lens)
• 177mm working distance
• Includes LED140 ring light (CAT # 15864) with built-in intensity control
• Ball bearing boom stand with bonder arm focusing mount
• Base: 254mm x 254mm (10" x 10")
• Vertical Post: 394mm
• Horizontal Post: 585mm
• Weight: 42lbs
• Airtight and anti-mold design
• Shipping weight 55lbs.