Recent data shows that HOYA PHOENIX® lenses made with PPG TRIVEX® lens material exhibited less damage during impact testing, are lighter weight, provide higher optical clarity and better chemical ...

A research team has developed a small optical lens, only a few millimeters in size, whose refractive behavior changes in the presence of gas. This 'intelligent' behavior of the micro-lens is enabled ...

Features / 35mm Prime Lens Comparison - How Does The New Tamron SP 35mm f/1.8 Di VC USD Compare? We compare the new Tamron SP 35mm f/1.8 Di VC USD with 35mm primes offered by other lens manufacturers ...

PITTSBURGH--(BUSINESS WIRE)--PPG (NYSE:PPG) today announced the results of tests carried out in collaboration with HOYA Vision Care to compare the performance of PPG TRIVEX® lens material to ...