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Material:BK7,UV-grade fused silicaSize:3mm-220mmThickness Tolerance:±0.2mmCentration:3 arc min Surface figure:1/4λSurface quality:60—40scratch&
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Material:optical glass,fused silica,CaF2 and optical crystal &
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Material:BK7,UV-grade fused silicaSize:3mm-220mmThickness Tolerance:±0.2mmCentration:3 arc min Surface figure:1/4λSurface quality:60—40scratch&
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Material:optical glass,fused silica,CaF2 and optical crystalSize:4mm-100mmDimension tolerance:±0.2mm Angle tolerance:30arc sec—30 arc m
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Manufactured using BK-7 grade of optical glass or fused quartz of 0.06 or 0.13 micron, our range of optical&nb
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They have a negative focal length, is used to diverge a parallel light beam.Material:BK7,UV-grade fused silicaSize:3mm-
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Material:BK7,UV-grade fused silicaParaxial focal length:±5mm—±3000mm±1%Length:2mm—300mm±1%Width:2mm—200mm±1%Surface
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It used to Converge parallel light, or make light source into parallel light . &nb
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Material:optical glass,fused silica,CaF2 and optical crystalSize:5mm-100mmDimension tolerance:±0.2mm Angle tolerance:30arc sec—3 arc mi
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