Model Number: 640/770/850/940-1-1-1-1-1-1-1-1-1
Key Specifications/Special Features:
Material: filter glass, BK7Squares or rectangles: 1 to 165mmWavelength range: 190nm to 4.5μmThickness: 0.5 to 4mmThickness tolerance: ±0.01 to 0.1mmParallelism: up to 3 arc minutesEdge: fine