Features:
1.Professional Double Plan Achromatic Lens
2.Air Craft Quality Thickening Coating
3.High-definition & Resolution, Wider Relative Field off View
4.Distortionless, No Curvature of Field
5.Brightness Adjustable and 4-Zones Control
Applications: Industrial inspection, printing and plate-making, criminal investigation, archaeological appraisal, jewelry identify, etc.