Ha SII OIII 7nm Narrowband Filter S-series Size:SHO 1.25" The Player One Apollo-M is

The Player One Apollo-M is designed to meet the demands of serious solar photographers

while still being manageable for many modern refractors and corrected telescopes

If you use a telescope with an aperture larger than 5"

1mm (for Pocket Powerbox and any other Pegasus Products)

Ha SII OIII 7nm Narrowband Filter S-series Size:SHO 1.25" The Player One Apollo-M isPlayer One S series filter using high quality optical glass substrate and multi layer composite coating technology, which has excellent optical performance in astrophotography. Available in Ha SII OIII and SHO Complete sets in bot 1. 25" and 2" sizes In astrophotography, narrowband filters can capture specific wavelengths to obtain specific details. Usually there are three narrowband filters, respectively, Ha SII OIII filters, Player One produced