- Beam splitter
- IR cut filter
- Transparent conductive film ITO
- ND filter
- UVIR cut filter
- UV cut filter
- Dichroic mirror
- Bandpass filter
- Laser mirror
- AR coating with antibacterial function
- Visibility filter
- Fluorescence filter and Excitation Filter
- Water-repellent and antifouling coat
- Hot mirror
- Cold mirror
- Notch filter
- Metal film mirror
- Anti-reflection-coating