NEWS ニュース
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
Precisely arranging diamond pellets
Grinding skill that determines the identity of an optical element
Bringing back the slotted-head screw
Diaphragm blade design and assembly
Tools we make and use ourselves