Product Description
LD2746-B N-SF11 Bi-Concave Lens
This high-precision bi-concave lens is designed for beam divergence or negative focal length applications in optical systems.
Key Specifications:
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Material: N-SF11 glass
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Diameter: 6mm ±0.1mm
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Focal Length: -6.0mm
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Coating: AR (650-1050nm)
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Surface Quality: 40-20 scratch-dig
Condition:
✅ NEW IN PROTECTIVE PACKAGING
✅ COATING INSPECTED
✅ CLEANROOM HANDLED
Applications:
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Laser beam expansion
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Optical system aberration correction
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Microscope imaging
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Fiber coupling systems



