Features:
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Diameter: ½″ (12.7 mm)
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Focal length: 20 mm (positive)
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Material: N-BK7 optical glass (Abbe number ~64)
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AR coating range: 650-1050 nm
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Plano-convex geometry suitable for focusing or collimating
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Edge thickness: ~1.8 mm; centre thickness: ~4 mm
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Back focal length ~17.3 mm
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REACH-compliant with no SVHC above 0.1%.
Applications: Optical benches, laser modules, fiber optics coupling, spectroscopy, imaging systems in the red/NIR, prototyping and research labs.



