CR-39,1.56 1.61 HMC 1. Finished single vision lens (index:1.499): uncoated, hc, hmc 2. Middle index lens (index:1.56): finished and semi-finished, uncoated, hc, hmc 3. High index lens(index:1.61): finished and semi-finished, uncoated, hc, hmc 4. 1.70 hi-index glass lens 5. Bifocal lens, finished and semi-finished(index:1.499):flat top bifocal (28d/70mm), round top bifocal(28d/70mm, 24d/70mm), blended bifocal(28d/70mm, 32d/70mm), curve bifocal(28d/70mm). Hard coating and ar coating will be available per request.
