These lenses are made of BK7, fused silica and CaF2. Special focusing systems can be designed by our engineers upon request. LENSES ..
These lenses are made of BK7, fused silica and CaF2. Special focusing systems can be designed by our engineers upon request.
LENSES
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MATERIALS
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ILLUSTRATION
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PROPERTIES AND APPLICATIONS
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ACHROMATIC LENS
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Combinations of Two Optical Grade Glasses
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These lenses have considerably reduced values of spherical aberrations. Best used to replace single components where performance must be improved.
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Diameter size
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smallest 3 mm
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Diameter tolerance
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+0.0, -0.05mm
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Parallel focal length tolerance
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±2%
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Centration
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5 arc minutes
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Clear aperture
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>80%
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Surface figure: power(n)
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<3
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Surface figure: irregularity(n)
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<0.5
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Surface quality
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40/20 scratch and dig
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Bevel
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< 0.2 mm x 45°
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Coating
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Single layer MgF2 broadband AR
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