Downloads


Download our catalog 2015Our 2016 catalog is available for download.


Download our screen saverDownload our exclusive screen saver. These beautiful pictures from around the world are a pure delight for the eyes.

World Distributors

 
Optoprim France
  info@optoprim.com
  Tel: +33 (0)1 41 90 61 80
 
Optoprim Italy
  info@optoprim.it
  Tel: +39 039 834977
 
Optoprim Germany
  info@optoprim.de
  Tel: +49 (0)89 80076252
 
Laserlines UK
  danc@laserlines.co.uk
  Tel: +44 (0)1295 672500
 
Base Optics USA
  sales@baseoptics.com
  Tel: +1 302 355 0476

Negative Single Lenses

Please select a category below
Negative Single Lenses

The negative single lenses are often used in combination with planoconvex lenses to expand a beam diameter or make a different combination focal length while decreasing the residual spherical aberration.

We carry on stock BK7 bi concave and plano concave lenses, either AR coated or not

  • Diameter tolerance: +0/-0,1mm
  • Thickness tolerance: +/-0.1mm
  • Focal length tolerance: +/-1%
  • Focal length is calculated at 546.1nm
  • Surface accuracy: λ/4 @632,8nm
  • S/D < 60/40
  • Centration < 3 arc min
  • Damage threshold of broadband AR coating: >5J/cm^2, 20ns, 20Hz, 1064nm

 

More