Gold Dragon Optics Co., Ltd. is a manufacturer of Meniscus Lens
According to custom design to manufacture kinds of spherical lenses. Such as plano convex spherical lens, plano concave spherical lens, bi-convex spherical lens, bi-concave spherical lens, meniscus lens, achromatic lens, aspherical & spherical series.
Material: Flint glasses, UV-fused silica, Infrared fused silica, CaF2, Ge, ZnSe, Si, etc.
Focal length: +/-5mm --+/-1000mm+/-1%
(test by TIROPTICS OPTOMATIC2000 made in Germany)
Diameter: 4mm--200mm +/-0.1mm
Tc torlerance: +/-0.1mm
Centration: 3-5'
Surface accuracy: ∧/2
Surface quality: 40/20
Clear aperture: 90%
Coating: Custom design
Besides, there are a large volume of stock optical components in various shapes and sizes to facilitate quick deliveries.

Achromatic Doublet lens
According to custom design to manufacture kinds of spherical lenses. Such as plano convex spherical lens, plano concave spherical lens, bi-convex spherical lens, bi-concave spherical lens, meniscus lens, achromatic lens, aspherical & spherical series.
Material: Flint glasses, UV-fused silica, Infrared fused silica, CaF2, Ge, ZnSe, Si, etc.
Focal length: +/-5mm --+/-1000mm+/-1%
(test by TIROPTICS OPTOMATIC2000 made in Germany)
Diameter: 4mm--200mm +/-0.1mm
Tc tolerance: +/-0.1mm
Centration: 3-5'
Surface accuracy: ∧/2
Surface quality: 40/20
Clear aperture: 90%
Coating: Custom design
Besides, there are a large volume of stock optical components in various shapes and sizes to facilitate quick deliveries.