Filter transmission profiles


Copyrights : Fred Jabet, Alexandre Lhoest, Christian Viladrich, Simon de Visscher.
Measurements with Ocean Optics HR4000 spectrometer, résolution 0.27 nm



UV Filters
Andover 396-5 nm
Astrodon UV and Johnson U
Baader U Venus
Baader K-line
Lunt Ca K blocker

Blue filters
Andover 430-1.9 nm
Astronomik B
Baader B
ZWO B
W47

Hb filter
Baader Hb 8.5 nm





Green filters
Astronomik G
Baader G CCD
ZWO green
Baader continuum 540 nm "new version"
Baader continuum 540 nm "old version"

OIII filters
Astronomik OIII CCD 12 nm





Red filters
Astronomik red
Baader 610 nm and R CCD

Clavé red and yellow
ZWO red



Ha filters
Astronomik Ha CCD 12 nm
Baader Ha 35 nm
Baader Ha 7 nm
Baader Ha 3.5 nm
Baader Ha f/2 narrowband
Coronado BF10
IR Filters
Baader 685 nm
ZWO CH4 20 nm
Astronomik 807

Polarizing filters



Neutral density filters
Baader ND 09, ND 1.8
Celestron ND 0.3, 0.6, 09
Smoked glass plate


L and IR cut filters
Baader UV IR cut & IR blocking
Astronomik L


Deep sky filters
Lumicon UHC
IDAS LPS P1
IDAS LPS P2

Sun glasses
Rayban
Vuarnet




UV filters

   





Blue filters


 






Hb filter





Green filters

 






Red filters

 





Ha filters







OIII filters





IR filters

 




Polarizing filters

 



Neutral density filters

 





L and IR-cut filters

  


Deep sky filters

 



Sun glasses

     



Back to home page