Doublet lens element GCL-0107 series
optical glassnegative achromatic

Doublet lens element - GCL-0107 series - Daheng New Epoch Technology, Inc(CDHC) - optical glass / negative achromatic
Doublet lens element - GCL-0107 series - Daheng New Epoch Technology, Inc(CDHC) - optical glass / negative achromatic
Doublet lens element - GCL-0107 series - Daheng New Epoch Technology, Inc(CDHC) - optical glass / negative achromatic - image - 2
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Characteristics

Geometry/curvature
doublet
Material
optical glass
Optical characteristics
negative achromatic
Diameter

25.4 mm
(1 in)

Description

The Negative Achromatic Doublets are composed of low-refractive-index crown glass and high-refractive-index flint glass. Through computer-optimized design, paraxial aberrations such as spherical aberration, coma, and chromatic aberration are well corrected. It can be used as a Barlow lens (beam expander) to extend the focal length of a telescope objective.

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