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 1.25''UV / IR cut-off filter
$ 79.00
ready for shipping in 3-7
days
Omegon
Blocking Filters Infrared band elimination filter
( 5 / 5 )
$ 24.90
ready for shipping in 24
h
Baader
Blocking Filters Solar Continuum 1.25"
RRP:
$ 134.00
Our price:
$ 133.00
ready for shipping in 24
h
ZWO
Blocking Filters UV/IR 1.25"
$ 101.00
ready for shipping in 24
h
TS Optics
Blocking Filters UV/IR 1.25"
$ 68.00
ready for shipping in 24
h
Astronomik
2'' IR blocking filter
$ 112.00
ready for shipping in 3-7
days
ZWO
Blocking Filters IR-CUT Protect Window ASI D21
RRP:
$ 33.90
Our price:
$ 28.90
ready for shipping in 24
h
Celestron
Blocking Filters Skyris IR-Cut Filter 1,25"
$ 32.90
ready for shipping in 1-2
weeks
Baader
Blocking Filters Solar Continuum 2"
$ 223.00
ready for shipping in 1-2
weeks
Astronomik
Blocking Filters Infrared cutting filter, T2
$ 101.00
ready for shipping in 24
h
Astronomik
1.25" IR blocking filter
$ 67.00
ready for shipping in 24
h
Lumicon
Infrared blocking filter 1.25''
$ 258.00
ready for shipping in 24
h
Astronomik
Blocking Filters Infrared-cutting filter, SC
$ 157.00
ready for shipping in 24
h
Artesky
Blocking Filters IR-Cut 2"
$ 67.00
ready for shipping in 3-5
weeks
DayStar
Blocking Filters UV/IR 2"
$ 213.00
ready for shipping in 3-6
months
ZWO
Blocking Filters IR-CUT Protect Window ASI D25
$ 33.90
ready for shipping in 3-5
weeks