TL-6500 has made great improvement on the appearance. It looks more delicate and is easier to carry or move. ·Adopts green spectral measurement light source and Hartmann sensor with 108 measurement points ·Auto recognition of progressive multi-focus lens ·Can measure sun glasses lens with transmittance rate above 10% and polarized lens ·Intellectual touch screen interface, clean look, and compact structure ·Capacitive touch screen, and virtual PD measurement interface