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Lenses >> Meniscus Lenses

Material: Bk7, Fused Silica, Silicon, Sapphire, Germanium, CaF2, MgF2


Material Bk7, (other material upon request)
Focal Length Tolerance 2%
Fringes 1-5
Irregularity of Fringes 0.2-0.5
Diameter Tolerance +0.0/-0.10 mm
Center Thickness(Tc) Tolerance +0.0/-0.10 mm
Centration 3 arc minutes
Clear Aperture 90% of Diameter
Surface Quality: 60-40 scratch and dig
Coating Single-layer MgF2 AR Coateds


Note: All material and size are available upon request., Tel: 1-408-2448972, Fax: 1-408-2288789

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