The
Baader OIII high-speed filter is an accessory for primary focus photography
of emission nebulae in Oxygen III . Indicated for
astrophotographic telescopes with very short focal ratios,
f / 1.8 to f / 3.5 and HyperStar system .
This filter has a
10nm bandpass and focuses on the
500nm spectrum. With it we will obtain a
greater contrast in the observation of
deep skies and nebulae . They offer the maximum transmission in each bandwidth, much
more efficient than the classic Narrowband.
This filter is supplied on
1.25 "and 2" models
Baader High-speed OIII filter: High-speed OIII Photographic deep sky 1.25 "
Baader High-speed OIII filterBaader High-speed OIII filter: High-speed OIII Photographic Deep Sky 2 "
Baader High-speed OIII 2 "filter