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.
Our Bi-convex lenses are available in three options; uncoated, single layer MgF2 and Broadband AR coated.
Diameter : 25mm
Focal Length : 250mm
Material : H-K9L(BK7 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-BXL25-10
Exworks-Kochi : Apply coupon ‘Exworks-Kochi’ in the ‘Checkout page’ or in the ‘Cart page’ in case you want to use your carrier for shipping and delivery.