NEWS ニュース
Careful inspection of glass materials
Optical glass, the source of high picture quality
Visual inspections of all elements
Tools we stock and the efforts we make with them
How to cut straight edges in a round element
Flattening optical element’s surface manually
Cleaning optical elements according to their inherent material properties
A make-or-break attitude in every batch of lenses we make
Selecting and preparing polishing pads
Interference rings projected by test plate glasses