Disk structure, manufacturing method thereof and optical...
Dispersion compensator and dispersion compensating system
Display device
Display device
Display device
Display device
Display device
Display optical system
Disposable endoscope
Disposable endoscope employing positive and negative gradient in
Distance holder for lens system
Divergence and marking device for a target marker
DLC film and method for forming the same
Document camera having zoom-indication function
Document imaging system
Door viewer
Double axial gradient lens and process for fabrication thereof
Double mirror catadioptric objective lens system with three...
Double refraction and total reflection solid nonimaging lens
Double-sided telecentric measurement objective