System 250 Viewing Head, 0.65x – 4.5x Zoom Range, 20mm FOV

Specifications

• System 250 Binocular viewing head only, no stand
• Widefield 10x/20mm eyepieces with eyeshields
• High quality achromat lenses with anti-reflective coatings
• 0.65x – 4.5x zoom magnification range controlled by graduated knobs on both sides of the viewing head
• Magnification range 6.5x-45x
• 95mm working distance with 1.0x lens shield; optional 0.5x auxiliary objective increases the working distance to 150mm
• Heavy duty cast aluminum housing
• Fits focus mounts with 86mm diameter yoke
• Shipping weight 9lbs