The optical double concave lens features two concave surfaces designed to diverge light and improve image control in precision optical systems. This optical double concave lens offers high transmission, low dispersion, and excellent stability, making it a reliable negative lens element for scientific and industrial applications.
Material :
H-K9L (CDGM), including Schott, Hoya, Ohara, Crystal, and Corning Fused Silicas.Design wavelength :
632.8nmFocal Length Tolerance :
±2%Dimension Tolerance :
+0.0 / -0.1 mmThickness Tolerance :
±0.2 mmSurface Accuracy :
λ/4 @ 632.8 nmSurface Quality :
40/20Centration :
<3'
Product Description
This optical double concave lens is designed for applications requiring controlled beam divergence, aberration correction, and long-term system stability. Manufactured from premium materials such as Schott, Hoya, Ohara, CDGM optical glass, or fused silica, it delivers high transmission while minimizing dispersion and stray light.
With λ/4 surface accuracy and 40-20 surface quality, the double concave lens ensures consistent optical performance in complex optical paths, making it suitable for continuous-operation and high-reliability optical systems.
Performance Advantages
Double concave design for stable beam divergence
Multiple premium optical glass and fused silica options
High transmission with low dispersion characteristics
λ/4 surface accuracy for precision optical systems
Multi-band AR coatings for visible and NIR applications
Application Range
Microscopes and precision imaging systems
Telescopes and optical observation equipment
Laser beam shaping and optical paths
Optical measurement and inspection instruments
Scientific, industrial, and educational optics
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diyiye.com
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