Ross Optical Negative Achromats
Description
Negative Achromats consist of two optical components, a crown and a flint glass lens, cemented together. The crown is usually a bi-concave lens. As is true to all Achromats, they are corrected for color and on-axis spherical aberration. They are used predominantly to extend focal lengths in combination with positive achromatic systems or CCD lenses.
Ross Optical Negative Achromats
Specifications |
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|---|---|
| Mounting: | Unmounted, Mounted |
| Optimal Wavelength Range: | 400-700nm |
| Diameter: | 50 mm |
| Focal Length: | Custom mm |
| Achromat Type: | Doublet, Triplet |
Applications
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Frequently Asked Questions
Negative Achromats consist of two optical components, a crown and a flint glass lens, cemented together.
Negative Achromats are used predominantly to extend focal lengths in combination with positive achromatic systems or CCD lenses.
The diameter range for Negative Achromats is 6.00-25.00 and 25.01-50.00.
The tolerance for centering irregularity is less than 3 minutes.
The coating for Negative Achromats is 1/4wave MgF2 @ 550nm (See Coating Chart for Available Options).