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Blocking filters block either short wavelength UV or long wavelength infrared light. There are also filters that block both of these wavelength regions.

Products 1 - 16 of 16
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Omegon Blocking Filters 1.25''UV / IR cut-off filter
Omegon
Blocking Filters 1.25''UV / IR cut-off filter
$ 79.00
Product can be shipped as of 14.05.2025
Omegon Blocking Filters Infrared band elimination filter
Omegon
Blocking Filters Infrared band elimination filter
( 5 / 5 )
$ 24.90
ready for shipping in 24 h
Baader Blocking Filters Solar Continuum 1.25"
Baader
Blocking Filters Solar Continuum 1.25"
RRP:  $ 136.00
Our price:
$ 135.00
ready for shipping in 24 h
ZWO Blocking Filters UV/IR 1.25"
ZWO
Blocking Filters UV/IR 1.25"
$ 102.00
ready for shipping in 24 h
TS Optics Blocking Filters UV/IR 1.25"
TS Optics
Blocking Filters UV/IR 1.25"
$ 69.00
ready for shipping in 3-7 days
Astronomik 2'' IR blocking filter
Astronomik
2'' IR blocking filter
$ 114.00
ready for shipping in 3-7 days
Celestron Blocking Filters Skyris IR-Cut Filter 1,25"
Celestron
Blocking Filters Skyris IR-Cut Filter 1,25"
$ 33.90
ready for shipping in 1-2 weeks
ZWO Blocking Filters IR-CUT Protect Window ASI D21
ZWO
Blocking Filters IR-CUT Protect Window ASI D21
RRP:  $ 34.90
Our price:
$ 28.90
ready for shipping in 24 h
Baader Blocking Filters Solar Continuum 2"
Baader
Blocking Filters Solar Continuum 2"
$ 227.00
ready for shipping in 1-2 weeks
Astronomik 1.25" IR blocking filter
Astronomik
1.25" IR blocking filter
$ 68.00
ready for shipping in 24 h
Lumicon Infrared blocking filter 1.25''
Lumicon
Infrared blocking filter 1.25''
$ 262.00
ready for shipping in 24 h
Astronomik Blocking Filters Infrared cutting filter, T2
Astronomik
Blocking Filters Infrared cutting filter, T2
$ 102.00
Product can be shipped as of 14.05.2025
Astronomik Blocking Filters Infrared-cutting filter, SC
Astronomik
Blocking Filters Infrared-cutting filter, SC
$ 159.00
ready for shipping in 24 h
Artesky Blocking Filters IR-Cut 2"
Artesky
Blocking Filters IR-Cut 2"
$ 68.00
ready for shipping in 3-5 weeks
DayStar Blocking Filters UV/IR 2"
DayStar
Blocking Filters UV/IR 2"
$ 216.00
ready for shipping in 3-6 months
ZWO Blocking Filters IR-CUT Protect Window ASI D25
ZWO
Blocking Filters IR-CUT Protect Window ASI D25
$ 34.90
ready for shipping in 3-5 weeks