Achromatic Lens XLA-003
Description
An achromatic doublet is a closely spaced cemented combination of positive and negative elements with differing refractive indexes. These elements are chosen so that chromatic aberration is cancelled at two distinct and well-separated wavelengths typically selected to fall in the red and blue portions of the spectrum.
Achromatic Lens XLA-003
Specifications |
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|---|---|
| Mounting: | Unmounted |
| Optimal Wavelength Range: | 480-644nm |
| Diameter: | 8.0 mm |
| Focal Length: | 16.0 mm |
| Achromat Type: | Doublet |
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Frequently Asked Questions
An achromatic lens is a combination of positive and negative elements with different refractive indexes that cancels out chromatic aberration at two distinct wavelengths.
The design wavelengths for the achromatic lenses are 480nm, 546.1nm, and 643.8nm.
The diameter tolerance for the achromatic lenses is +0.0, -0.15mm.
The surface figure of the achromatic lenses is λ/4 @ 632.8nm.
The achromatic lenses are made of materials such as BK7, SF2, SF6, BAK4, and SF10.