Baader Narrowband CCD 3 Filter Set (Full Frame CCD)CCD Narrowband Filterset 1. 25" or 2" 2mm glass thickness for full frame CCD, consisting of 3 filters: H Alpha 7nm OIII 8. 5nm SII 8nm Baader's Premium Narrowband CCD filters are proven to deliver the absolute highest contrast deep sky images in H Alpha, Oxygen III, and Sulfur II, take advantage of the absolute shortest exposure times available. Their ultra narrow bandwidths have extremely high transmissions, while completely rejecting light pollution

AZ-701 - 1

All models are fully broadband multi-coated

remove the diagonal and visual back from the rear cell of your telescope

3-Point tube locking system

no matter how occasional your night sky observations may be

Partial rim of fusion crust

as well as the Moon filter

Telescope Focal Length: 900mm (f/10)

enduring basics that will enable you to get started

it's never been easier to explore the night sky

25" Eyepiece

This Celestron 2” Eyepiece & Filter Kit includes all the accessories you need to start using 2” eyepieces on your Schmidt-Cassegrain or refractor telescope