Lenses usually refer to the optical elements that diverge or converge the beam of light. Lenses can be widely used in security systems, vehicle-mounted systems, digital cameras, lasers, and optical instruments, while playing a significant role in astronomy, military, transportation, medicine, and other fields. OMTOOLS provides or customizes positive and negative lenses (including plano-convex, biconvex, meniscus, plano-concave, and biconcave) for different bands, with different focal lengths and apertures made of K9, fused silica, and other materials to meet diversified commercial and scientific uses.
Material JGS1(UV -Grade Fused Silica) | Shape Plano-concave |
Design wavelength 587.6nm | Focal length tolerance ±1% |
Contour tolerance +0.0/-0.1mm | Thickness tolerance ±0.1mm |
Surface figure λ/4@632.8nm | Degree of finish 40-20 |
Eccentricity <3 arc min | Effective aperture >90% |
Beveling <0.2x45° | Coating film UV AR coating 290nm-370nm |
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