In stock
SKU
DL-NM
It is achromatic lens having a negative focal length. By setting the concave one bonding two lenses wavelength dispersion of the refractive index is different, can be smaller than the spherical single lens and spherical aberration and chromatic aberration.
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| Name | Diameter φD | Focal length | Delivery | Price | Add to cart | |||||||||||||||||||||||||
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Negative Achromatic Lens 25mm Diameter -99.94 Focal Length
DL-25-100NM |
25mm | −53.09ｍm |
3-5 days
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£84.10
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Negative Achromatic Lens 25mm Diameter -49.94 Focal Length
DL-25-50NM |
25mm | −49.94mm |
6-12 weeks
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£84.10
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◦It is optimized focal length shift is small in the visible light range, the aberration is minimized.
◦It can be the beam expander of Galileo type in combination with achromatic lens with a focal length of the positive.
◦It can be the beam expander of Galileo type in combination with achromatic lens with a focal length of the positive.
