Bi-convex lenses are positive spherical lenses having convex surfaces on both sides. Holmarc manufactures bi-convex lenses with equal radii on both sides as standard stock optics.
► Diameter : 40 mm
► Focal Length : 50 mm
► Material : N-BK7 or equivalent
► Design Wavelength : 587.6 nm
► Effective Focal Length Tolerance : ± 1%
► Surface Quality : 40 – 20 (scratch-dig)
► Diameter Tolerance : +0.0, -0.2mm
► Clear Aperture : > 90% of Diameter
► Centering Tolerance : ≤3 arc min
► Coating : Uncoated
# Dispatch within 3 days
Model No. HO-BXL40-1.25
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