Blocking filters block either short wavelength UV or long wavelength infrared light. There are also filters that block both of these wavelength regions.
Omegon
Blocking Filters Infrared band elimination filter
( 5 / 5 )
$ 24.92
ready for shipping in 24
h
Omegon
Blocking Filters 1.25''UV / IR cut-off filter
$ 79.07
ready for shipping in 24
h
ASToptics
Blocking Filters UV-IR CUTTING FILTER (2")
$ 64.06
ready for shipping in 24
h
DayStar
Blocking Filters UV/IR 2"
$ 205.19
ready for shipping in 24
h
Lumicon
Infrared blocking filter 1.25''
$ 249.23
ready for shipping in 24
h
Baader
Blocking Filters Solar Continuum 1.25"
Our price:
RRP:
$ 130.12
$ 128.12
ready for shipping in 24
h
Baader
Blocking Filters Solar Continuum 2"
$ 215.20
ready for shipping in 1-2
weeks
Celestron
Blocking Filters Skyris IR-Cut Filter 1,25"
$ 31.93
ready for shipping in 1-2
weeks
Astronomik
Blocking Filters Infrared-cutting filter, SC
$ 151.14
ready for shipping in 24
h
ZWO
Blocking Filters UV/IR 1.25"
$ 76.07
ready for shipping in 24
h
Astronomik
2'' IR blocking filter
$ 108.10
ready for shipping in 3-7
days
Astronomik
Blocking Filters Infrared cutting filter, T2
$ 97.09
ready for shipping in 3-7
days
TS Optics
Blocking Filters UV/IR 1.25"
$ 65.06
ready for shipping in 1-2
weeks
Artesky
Blocking Filters IR-Cut 2"
$ 63.06
ready for shipping in 3-5
weeks
ZWO
Blocking Filters IR-CUT Protect Window ASI D21
Our price:
RRP:
$ 32.93
$ 26.92
ready for shipping in 24
h
ZWO
Blocking Filters IR-CUT Protect Window ASI D25
$ 32.93
ready for shipping in 3-5
weeks
Astronomik
1.25" IR blocking filter
$ 64.06
ready for shipping in 24
h