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Plano-Concave Lenses
The Plano-Concave (PCV) Lens often used to expand light beams or increase focal lengths in existing systems. They are widely used in telescope, collimators, optical transceivers, magnifiers, radiometers and condensers.
Microwork offers various plano-concave lenses / PCV lenses according to detailed requirements. Special cutting lenses like rectangle, step are also available.
The main material of plano-concave lens are as follows:
BK7 glass,Sapphire crystal, UV fused silica, Corning 7980 , JGS1, Quartz crystal, Germanium (Ge) monocrystal, Silicon monocrystal, ZnSe, Barium Fluoride (BaF2), Calcium Fluoride (CaF2), ZnS, Pyrex, BOROFLOAT, float glass, etc
Surface Quality: 80/50, 60/40, 40/20, 20/10, 10/5.
Coating: We provide different single layer or multiple anti-reflecting (AR) coatings according to differrent requirements. Customized available.
Specifications of Plano Concave ( PCV ) Lenses:
Items\Categories | Precision | Standard |
Size Range | Dia10-200mm | Dia5-300mm |
Diameter Tolerance | +0/-0.05mm | +0/-0.1mm |
Thickness Tolerance | +/-0.05mm | +/-0.1mm |
Centering Tolerance | <1´ | 3´-5´ |
Surface Quality | 40/20, 20/10 | 60/40 |
Surface Accuracy | 0.5-0.2 | 3-0.5 |
Clear Aperture | >85% | >85% |
Bevel | 0.1-0.25mm*45° | 0.1-0.25mm*45° |
Coating | anti-frective coating ( AR/AR ), customized available |