Double Convex Lens

are manufactured with an identical convex surface on both sides of the lens.
double convex lenses have positive focal lengths and form both real and virtual images.

Material: BK7 or schott material
Diameter tolerance: +0, -0.1mm
Focal length tolerance: +/-1%
Center thickness tolerance: +/-0.1mm
Centration:< 3 arc min
Surface quality: 20-10
Coatings:Antireflection coatings or NIR coatings or no