Vertex distance is an essential component when determining the correct power for contact lenses, excimer laser treatments and phakic IOLs. The measurement should always be included in power ...
A new, faster-driving version of its 18-135mm f3.5-5.6 IS STM lens is accompanied by an accessory that provides a zoom control for the lens. I've been reviewing hardware and software, devising testing ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback