C120 pier for concrete base
C82 pier for concrete base with adapter for EQ6 / EQ6-R / AZ-EQ6 / CGEM
This page lists narrow band OIII filters for deep-sky astronomy. They are available in several dimensions suitable for many filter wheels and accessories.
Filters for DSLR cameras are all available in a dedicated page named "DSLR Filters". For viewing click here.
Filter Oiii 5 Nm Diameter. 50mm Not Mounted. This Filter Has The Same High Quality Of The Filter H-Alfa, With A Transmission Peak At Around 90% And A Value Fhwm Of 5Nm. The Spectral Shapes Are Designed To Minimize Loss Of Optical Transmission With Short Focal Ratio.
Filter Oiii 5 Nm Square With 50mm Side Not Mounted. These Filters Have The Same High Quality Of The H-Alpha Filter, With Peak Transmission Around 90% And A Value Of Fhwm 5Nm. The Spectral Shapes Are Designed To Minimize Loss Of Optical Transmission With Short Focal Ratio.