optolong

OIII emits 495.9nm and 500.7nm and it is a blue-green colored filter. Many of images of planetary nebula and supernova remnants are taken only with...

Main Use and Performance Use with H-alpha and OIII-CCD extra narrowband filters (SHO Set) for tricolor CCD astrophotography Narrowband imaging wi...

Main Use and Performance Use with H-alpha and OIII-CCD extra narrowband filters (SHO Set) for tricolor CCD astrophotography Narrowband imaging wi...

The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. The UHC (Ultra High Contrast) bro...

Optolong UHC nebula clip filter for Canon EOS APS-C cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility ...

Optolong UHC nebula clip filter for Canon EOS full frame cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibi...

It is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important...

Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

Quality Filter Materials: Schott B260 substrate material from Germany, 2.0mm thick CNC machined and black anodized aero-metal filter cell that is u...