MINERAL BIFOCALS

Mineral bifocal lenses 

Design features:

  • bifocal design
  • spherical internal and external surface of lens
  • high accuracy
  • classical production 
 

Avalable materials:

 
Mineral 1,523

Index: 1,523
Teza: 2,54 g/cm3
ABBE: 58,3
UV: 330 nm

Standard mineral lens. 


Razpon proizvodnje:
Φ65 Φ70 Φ75
-8,00/+6,00
-7,00/+5,00
/
Površinska obdelava:
HC TOPcoat IONcoat



Photo G-B

Index: 1,523
Teza: 2,41 g/cm3
ABBE: 56,2
UV: 340 nm

Photosensitive mineral lens*. Available in gray and brown.

(*degree of darkening depends on light and temperature conditions) 


Razpon proizvodnje:
Φ65 Φ70 Φ75
-8,00/+6,00
-7,00/+5,00
/
Površinska obdelava:
HC TOPcoat IONcoat