Achromatic Lens is an achromatic consists of a positive low-index Crown Glass lens element cemented to a negative high-index Flint Glass lens element.
Specification of our achromatic lens as follow:…
Material:BK7 or other materials
*Focal length:+/-1%
*Length tolerance:+0.0 ~ -0.1mm
*Width tolerance:+0.0 ~ -0.1mm
*Center thickness tolerance:+/-0.1mm
*Surface Figure:lambda/2 at 633nm on plano …
resin round top dia 65/28 70/28mm
resin photogray round top
glass round top 65/28mm
glass photogray round top
semi finished
imported material with good quality
1.523 white single vision lens
1) nd.:1.523
2) diameter:60mm/65mm
3) power range:
A) sph: Plano to -6.00/cyl: -0.25 - -2.00 +0.25 to +6.00/cyl: -0.25 - -2.00
B) rx power: Cyl: -2.25 to -4.00 are …
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea