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.
Material | : | BK7 or equivalent |
Effective Focal Length Tolerance | : | ± 1% |
Diameter Tolerance | : | + 0.0, - 0.2 mm |
Centering Tolerance | : | ≤ 3 arc min |
Surface Quality | : | 40 - 20 (scratch-dig) |
Clear Aperture | : | > 90% of Diameter |
Design Wavelength | : | 587.6 nm |
Coating | : | Uncoated / Single layer MgF2 / Broadband AR |
These lenses are available in uncoated, single layer MgF2 coated and Broadband AR coated options.
Model No. | Diameter D (mm) |
Focal Length F (mm) |
Edge Thickness Te (mm) |
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Uncoated | Single Layer MgF2 | Broadband AR | |||
HO-BXL12.5-1.2 | HO-BXL12.5-1.2C | HO-BXL12.5-1.2B | 12.5 | 15 | 2 |
HO-BXL12.5-1.6 | HO-BXL12.5-1.6C | HO-BXL12.5-1.6B | 12.5 | 20 | 2 |
HO-BXL12.5-02 | HO-BXL12.5-02C | HO-BXL12.5-02B | 12.5 | 25 | 2 |
HO-BXL12.5-2.4 | HO-BXL12.5-2.4C | HO-BXL12.5-2.4B | 12.5 | 30 | 2 |
HO-BXL12.5-3.2 | HO-BXL12.5-3.2C | HO-BXL12.5-3.2B | 12.5 | 40 | 2 |
HO-BXL12.5-04 | HO-BXL12.5-04C | HO-BXL12.5-04B | 12.5 | 50 | 2 |
HO-BXL12.5-08 | HO-BXL12.5-08C | HO-BXL12.5-08B | 12.5 | 100 | 2 |
HO-BXL25-01 | HO-BXL25-01C | HO-BXL25-01B | 25 | 25 | 2 |
HO-BXL25-1.6 | HO-BXL25-1.6C | HO-BXL25-1.6B | 25 | 40 | 2 |
HO-BXL25-02 | HO-BXL25-02C | HO-BXL25-02B | 25 | 50 | 2 |
HO-BXL25-3.2 | HO-BXL25-3.2C | HO-BXL25-3.2B | 25 | 80 | 2 |
HO-BXL25-04 | HO-BXL25-04C | HO-BXL25-04B | 25 | 100 | 2 |
HO-BXL25-06 | HO-BXL25-06C | HO-BXL25-06B | 25 | 150 | 2 |
HO-BXL25-08 | HO-BXL25-08C | HO-BXL25-08B | 25 | 200 | 2 |
HO-BXL25-12 | HO-BXL25-12C | HO-BXL25-12B | 25 | 300 | 2 |
HO-BXL25-20 | HO-BXL25-20C | HO-BXL25-20B | 25 | 500 | 2 |
HO-BXL25-40 | HO-BXL25-40C | HO-BXL25-40B | 25 | 1000 | 2 |
HO-BXL50-1.6 | HO-BXL50-1.6C | HO-BXL50-1.6B | 50 | 80 | 3 |
HO-BXL50-02 | HO-BXL50-02C | HO-BXL50-02B | 50 | 100 | 3 |
HO-BXL50-03 | HO-BXL50-03C | HO-BXL50-03B | 50 | 150 | 3 |
HO-BXL50-04 | HO-BXL50-04C | HO-BXL50-04B | 50 | 200 | 3 |
HO-BXL50-06 | HO-BXL50-06C | HO-BXL50-06B | 50 | 300 | 3 |
HO-BXL50-10 | HO-BXL50-10C | HO-BXL50-10B | 50 | 500 | 3 |
HO-BXL50-20 | HO-BXL50-20C | HO-BXL50-20B | 50 | 1000 | 3 |
Uncoated | Price ($) | In Stock | Single Layer MgF2 | Price ($) | In Stock | Broadband AR | Price ($) | In Stock |
HO-BXL12.5-1.2 | 19.00 | HO-BXL12.5-1.2C | 24.00 | HO-BXL12.5-1.2B | 27.00 | Buy | ||
HO-BXL12.5-1.6 | 18.00 | HO-BXL12.5-1.6C | 23.00 | HO-BXL12.5-1.6B | 26.00 | |||
HO-BXL12.5-02 | 17.00 | HO-BXL12.5-02C | 22.00 | HO-BXL12.5-02B | 25.00 | |||
HO-BXL12.5-2.4 | 16.00 | HO-BXL12.5-2.4C | 21.00 | HO-BXL12.5-2.4B | 24.00 | |||
HO-BXL12.5-3.2 | 15.00 | HO-BXL12.5-3.2C | 20.00 | HO-BXL12.5-3.2B | 23.00 | |||
HO-BXL12.5-04 | 14.00 | HO-BXL12.5-04C | 19.00 | HO-BXL12.5-04B | 22.00 | |||
HO-BXL12.5-08 | 13.00 | HO-BXL12.5-08C | 18.00 | HO-BXL12.5-08B | 21.00 | |||
HO-BXL25-01 | 24.00 | HO-BXL25-01C | 29.00 | HO-BXL25-01B | 32.00 | |||
HO-BXL25-1.6 | 24.00 | HO-BXL25-1.6C | 29.00 | HO-BXL25-1.6B | 32.00 | Buy | ||
HO-BXL25-02 | 23.00 | HO-BXL25-02C | 29.00 | HO-BXL25-02B | 31.00 | Buy | ||
HO-BXL25-3.2 | 22.00 | HO-BXL25-3.2C | 27.00 | HO-BXL25-3.2B | 30.00 | |||
HO-BXL25-04 | 21.00 | HO-BXL25-04C | 26.00 | HO-BXL25-04B | 30.00 | |||
HO-BXL25-06 | 20.00 | Buy | HO-BXL25-06C | 25.00 | HO-BXL25-06B | 28.00 | Buy | |
HO-BXL25-08 | 19.00 | HO-BXL25-08C | 24.00 | HO-BXL25-08B | 27.00 | Buy | ||
HO-BXL25-12 | 18.00 | Buy | HO-BXL25-12C | 23.00 | HO-BXL25-12B | 26.00 | Buy | |
HO-BXL25-20 | 17.00 | Buy | HO-BXL25-20C | 22.00 | HO-BXL25-20B | 25.00 | Buy | |
HO-BXL25-40 | 17.00 | HO-BXL25-40C | 22.00 | HO-BXL25-40B | 25.00 | |||
HO-BXL50-1.6 | 31.00 | Buy | HO-BXL50-1.6C | 36.00 | HO-BXL50-1.6B | 39.00 | ||
HO-BXL50-02 | 30.00 | Buy | HO-BXL50-02C | 35.00 | HO-BXL50-02B | 38.00 | ||
HO-BXL50-03 | 29.00 | Buy | HO-BXL50-03C | 34.00 | HO-BXL50-03B | 38.00 | ||
HO-BXL50-04 | 28.00 | Buy | HO-BXL50-04C | 33.00 | HO-BXL50-04B | 37.00 | ||
HO-BXL50-06 | 28.00 | Buy | HO-BXL50-06C | 33.00 | HO-BXL50-06B | 36.00 | ||
HO-BXL50-10 | 26.00 | Buy | HO-BXL50-10C | 31.00 | HO-BXL50-10B | 35.00 | ||
HO-BXL50-20 | 26.00 | Buy | HO-BXL50-20C | 31.00 | HO-BXL50-20B | 35.00 | Buy |
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