Filters are generally used in astronomy for contrast enhancement or for safely observing the sun. Whether galaxies, nebulae or the planets of our solar system - the various types of filters let you get a lot more out of your telescope than you may perhaps have realized.
Area of application
Moon filters & Polarizing filters
Colour filters
Nebulae filters
Sun filters
Filter wheels & Filter sliders
EOS-Clip
Find out now!
Top brands
Omegon
Filters Variable grey filter 1.25"
( 5 / 5 )
$ 34.90
ready for shipping in 24
h
Omegon
solar filter, 60-80mm
$ 19.90
ready for shipping in 24
h
Omegon
solar filter, 90mm
$ 24.90
ready for shipping in 24
h
Omegon
Filters Color filter red 1.25''
$ 14.90
ready for shipping in 24
h
Omegon
Filters #38A 1.25''colour filter, dark blue
$ 14.90
ready for shipping in 24
h
Omegon
Filters #11 1.25'' colour filter, green
$ 14.90
ready for shipping in 24
h
Omegon
Filters Variable Polarising Filter 2"
$ 69.00
ready for shipping in 24
h
Omegon
solar filter, 114mm
( 4 / 5 )
$ 24.90
ready for shipping in 24
h
Omegon
Filters Color filter yellow 1.25''
$ 14.90
ready for shipping in 24
h
Omegon
Filters Color filter green 1.25''
$ 14.90
ready for shipping in 24
h
Omegon
Filters Color filter light blue 1.25''
$ 14.90
ready for shipping in 24
h
Omegon
Filters Color filter violet 1.25"
$ 14.90
ready for shipping in 24
h
Omegon
Filters #47 2'' colour filter, violet
$ 24.90
ready for shipping in 24
h
Omegon
Filters #23A 1.25'' colour filter, light red
$ 14.90
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' LRGB filter set
$ 269.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' CLS filter
$ 99.00
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' OIII CCD filter
$ 139.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' OIII CCD filter
$ 179.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' SII CCD filter
( 1 / 5 )
$ 189.00
ready for shipping in 24
h
Omegon
Blocking Filters Infrared band elimination filter
( 5 / 5 )
$ 24.90
ready for shipping in 24
h
Omegon
1.25'' filter wheel
$ 189.00
ready for shipping in 24
h
Astro Professional
Filters Farbfilter Rot #23A 2"
$ 21.90
ready for shipping in 24
h
Omegon
Filters colour filter #11 yellowgreen 2"
$ 24.90
ready for shipping in 24
h
Omegon
Filters #25 2'' colour filter, red
$ 24.90
ready for shipping in 24
h
Omegon
Filters #38A 2'' colour filter, dark blue
$ 24.90
ready for shipping in 24
h
Omegon
Filters #80A 2'' colour filter, blue
$ 24.90
ready for shipping in 24
h
Lunt Solar Systems
SunSafe solar eclipse viewing glasses, 5 pairs
$ 18.90
ready for shipping in 1-2
weeks
Baader
Solar Viewer AstroSolar® solar eclipse observing glas
$ 5.90
ready for shipping in 24
h
Omegon
Filters Color filter set 1,25'' (6 pieces)
$ 69.00
ready for shipping in 24
h
Omegon
Filters 1.25" premium Skylum filter
$ 19.90
ready for shipping in 24
h
Omegon
Filters Premium Moon Filter 13% transmission 2''
$ 24.90
ready for shipping in 24
h
Omegon
solar filter, 130mm
$ 24.90
ready for shipping in 24
h
Omegon
Filters Moon filter 25% transmission 1.25"
$ 34.90
ready for shipping in 24
h
Omegon
Filters 2'' Moon filter 25% Transmission
( 3.5 / 5 )
$ 24.90
ready for shipping in 24
h
Omegon
Filters #80A 1.25'' colour filter, blue
( 5 / 5 )
$ 14.90
ready for shipping in 24
h
Omegon
Filters OIII filter 1.25''
$ 89.00
ready for shipping in 24
h
Omegon
Filters Moon filter 1.25"
( 2 / 5 )
$ 19.90
ready for shipping in 24
h
Baader
Filters OIII CMOS Narrowband 65x65mm
$ 385.00
ready for shipping in 1-2
weeks
Baader
Filters OIII CMOS f/2 Highspeed 36mm
$ 188.00
ready for shipping in 24
h
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 36mm
$ 344.00
ready for shipping in 1-2
weeks
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 50.4mm
$ 420.00
ready for shipping in 1-2
weeks
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 50x50mm
$ 433.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS Narrowband 65x65mm
$ 391.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS Ultra-Narrowband 50.4mm
$ 451.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS f/2 Highspeed 31mm
$ 169.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS f/2 Highspeed 36mm
$ 190.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS f/2 Highspeed 50x50mm
$ 320.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS f/2 Highspeed 65x65mm
$ 396.00
ready for shipping in 24
h
Baader
Filters H-alpha CMOS f/2 Ultra-Highspeed 31mm
$ 310.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS f/2 Ultra-Highspeed 36mm
$ 375.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS Ultra-Narrowband 31mm
$ 289.00
ready for shipping in 1-2
weeks
Baader
Filters f/2 Highspeed SII CMOS 1.25"
$ 160.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS f/2 Ultra-Highspeed 36mm
$ 351.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS f/2 Ultra-Highspeed 2"
$ 401.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS f/2 Ultra-Highspeed 50x50mm
$ 433.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha/OIII/SII CMOS f/2 Highspeed 31mm
$ 483.00
ready for shipping in 1-2
weeks
Omegon
solar filter, 150mm (6'')
( 4 / 5 )
$ 59.00
Product can be shipped as of 01.08.2024
Omegon
Filters Nebula/ city light filter 1.25 ''
( 3.5 / 5 )
$ 39.90
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' UHC filter
$ 69.00
ready for shipping in 24
h
Omegon
Filters UHC Filter, 1.25“
$ 69.00
ready for shipping in 24
h
Omegon
Filters 1.25'' lunar filter, 13% light transmission
$ 39.90
ready for shipping in 24
h
Omegon
Filters Light Pollution Filter, 2”
( 3.33 / 5 )
$ 59.00
ready for shipping in 24
h
Omegon
Filters #56 2'' colour filter, light green
$ 24.90
ready for shipping in 24
h
Omegon
Filters #82A 2'' colour filter, light blue
$ 24.90
ready for shipping in 24
h
Omegon
Filters 7nm H-alpha 1.25 pro filter
$ 199.00
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' SII CCD filter
$ 139.00
ready for shipping in 24
h
Astro Professional
Filters Farbfilter Blau #80A 2"
$ 21.90
ready for shipping in 24
h
Omegon
Filters #23A 2'' colour filter, light red
$ 24.90
ready for shipping in 24
h
Omegon
Filters #21 2'' colour filter, orange
$ 24.90
ready for shipping in 24
h
Omegon
2'' filter wheel
( 5 / 5 )
$ 189.00
ready for shipping in 24
h
ASToptics
Filters Dark frame filter, 50x50 unmounted
$ 37.90
ready for shipping in 24
h
Omegon
Filters 1.25'', L- RGB CCD filter set
$ 199.00
ready for shipping in 24
h
ASToptics
1.25" FILTER HOLDER FOR AST SLIDER SYSTEM
$ 64.00
ready for shipping in 24
h
ASToptics
2" FILTER HOLDER FOR AST SLIDER SYSTEM
$ 55.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' UHC filter
$ 99.00
ready for shipping in 24
h
Omegon
Blocking Filters 1.25''UV / IR cut-off filter
$ 79.00
ready for shipping in 24
h
Omegon
173mm-193mm solar filter
$ 89.00
ready for shipping in 24
h
Omegon
Filters Premium-Moonfilter 50% Transmission 2''
$ 24.90
ready for shipping in 24
h
Omegon
Filters 1.25'' deep sky filter
$ 89.00
ready for shipping in 24
h
Baader
Solar Viewer AstroSolar® Silver/Gold solar eclipse observing glasses, 25 pieces
$ 104.00
ready for shipping in 24
h
Omegon
Filters Color filter orange 1.25''
$ 14.90
ready for shipping in 24
h
Omegon
Filters #12 2'' colour filter, yellow
$ 24.90
ready for shipping in 24
h
Omegon
Filters 1.25'' Clear Sky filter
$ 129.00
ready for shipping in 24
h
Omegon
Filters Pro Nebula CLS Deep Sky Filter 1,25''
$ 69.00
ready for shipping in 24
h
Omegon
Filters UHC Filter, 2"
$ 99.00
ready for shipping in 24
h
Optolong
Filters UHC Filter 1,25
( 5 / 5 )
$ 86.00
ready for shipping in 24
h
Omegon
Filters OIII Filter 2"
( 5 / 5 )
$ 119.00
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' H-alpha filter
$ 149.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' H-alpha filter
$ 209.00
ready for shipping in 24
h
Omegon
Filters Pro 1.25'' H-Beta filter
$ 99.00
ready for shipping in 24
h
Omegon
Filters Pro 2'' H-Beta filter
$ 139.00
ready for shipping in 24
h
ASToptics
Filters Dark Frame Filter 1.25
$ 37.90
ready for shipping in 24
h
ASToptics
Filters Dark Frame Filter 2
$ 43.90
ready for shipping in 24
h
Astro Professional
Filters Mondfilter Grün, 1,25"
$ 10.90
ready for shipping in 24
h
ASToptics
Blocking Filters UV-IR CUTTING FILTER (2")
$ 64.00
ready for shipping in 24
h
Coronado
Filters SolarMax III H-Alpha-Etalon 60mm BF10
$ 2,490.00
ready for shipping in 3-5
weeks
Coronado
Filters SolarMax III H-Alpha-Etalon 90mm BF30
$ 7,200.00
ready for shipping in 3-5
weeks
Omegon
Filters Pro UHC filter M56
( 1 / 5 )
$ 99.00
ready for shipping in 24
h
Omegon
138mm-153mm solar filter
$ 69.00
ready for shipping in 24
h
Meade
Filters Variable grey filter 1.25"
$ 97.00
ready for shipping in 24
h
ASToptics
Filters SINGLE POLARIZING FILTER, 2"
( 2 / 5 )
$ 37.90
ready for shipping in 24
h
Omegon
Pro 2'' LRGB filters
$ 489.00
ready for shipping in 24
h
ASToptics
Filters Dark-frame filter, 50mm diameter, unmounted
$ 32.90
ready for shipping in 3-5
weeks
Lumicon
Filters # 15 dark yellow 1.25''
$ 55.00
ready for shipping in 24
h
Baader
Solar Viewer AstroSolar® Silver/Gold solar eclipse observing glasses, 100 pieces
$ 391.00
ready for shipping in 1-2
weeks
ASToptics
M42 FILTER SLIDER SYSTEM (2") + TRIPOD INTERFACE
$ 227.00
ready for shipping in 24
h
Omegon
Ultralight 5x1.25'' filter wheel
$ 159.00
ready for shipping in 24
h
ASToptics
Filters Dark-frame filter, 36mm diameter, unmounted
$ 32.90
ready for shipping in 24
h
Lumicon
Filters # 56 light green 1.25''
$ 48.90
Product can be shipped as of 13.06.2024
Lumicon
Filters # 29 dark red 1.25''
$ 55.00
Product can be shipped as of 13.06.2024
Coronado
Filters SolarMax III H-Alpha-Etalon 60mm BF15
$ 2,710.00
ready for shipping in 3-5
weeks
Coronado
Filters SolarMax III H-Alpha-Etalon 60mm BF30
$ 4,110.00
ready for shipping in 3-5
weeks
Starlight Xpress
Mini Filterwheel Carousel 5x 1.25"
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 24
h
Lumicon
Filters Neutral Density 25 1.25''
$ 86.00
ready for shipping in 24
h
Lumicon
Filters H-Beta filter 1.25''
$ 189.00
ready for shipping in 24
h
Starlight Xpress
SXV filter carousel with 7x 36mm filter holders
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 1-2
weeks
Starlight Xpress
SXV filter carousel with 7x 1.25" filter holders
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 1-2
weeks
Starlight Xpress
SXV filter carousel with 5x 50mm filter holders
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 1-2
weeks
Starlight Xpress
Mini Filter Carousel 5x 36mm (unmounted)
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 1-2
weeks
Starlight Xpress
SXV filter carousel with 5x 2" filter holders
Our price:
RRP:
$ 75.00
$ 61.00
ready for shipping in 24
h
APM
Herschelwedge 2" FastLock
$ 401.00
ready for shipping in 1-2
weeks
Starlight Xpress
Filters SCT adapter (female) for SX USB filter wheel
$ 55.00
ready for shipping in 24
h
Lunt Solar Systems
2" solar prism / Herschel wedge LS2HW
$ 650.00
ready for shipping in 1-2
weeks
Starlight Xpress
Filters T2 adapter (female) for SX USB filter wheel
$ 43.90
ready for shipping in 1-2
weeks
Starlight Xpress
Filters T2 adapter (male) for SX USB filter wheel
$ 43.90
ready for shipping in 1-2
weeks
Lumicon
Filters # 8 light yellow 1.25"
$ 75.00
Product can be shipped as of 13.06.2024
Lumicon
Filters # 58 green 2''
$ 151.00
ready for shipping in 24
h
Starlight Xpress
Filters M72 (Tak) adapter (male) for SX USB filter wheel
$ 97.00
ready for shipping in 1-2
weeks
Optolong
Filters SII Filter 1.25"
$ 157.00
ready for shipping in 24
h
Starlight Xpress
Filters SCT adapter (male) for SX USB filter wheel
$ 55.00
ready for shipping in 1-2
weeks
Optolong
Filters Clear Sky Filter 82mm
$ 238.00
ready for shipping in 3-5
weeks
Chroma
Filters OIII 31mm ungefasst (3nm)
$ 1,080.00
ready for shipping in 3-5
weeks
Optolong
Filters LRGB Filter-Set 1,25
Our price:
RRP:
$ 266.00
$ 227.00
ready for shipping in 24
h
Astrozap
Filters Sun filter for outside diameters from 41mm to 48mm
$ 205.00
ready for shipping in 24
h
Optolong
Filters LRGB Filter-Set 2"
Our price:
RRP:
$ 401.00
$ 346.00
ready for shipping in 24
h
Optolong
Filters Filter L-eNhance 1.25
Our price:
RRP:
$ 205.00
$ 190.00
ready for shipping in 24
h
Baader
Solar Viewer AstroSolar® Silver/Gold solar eclipse observing glasses, 10 pieces
$ 44.90
ready for shipping in 24
h
Starlight Xpress
Filters Mini Filter Wheel M48 (female) Adaptor
$ 55.00
ready for shipping in 1-2
weeks
IDAS
Filters Type 4 BGR+L 52mm
$ 1,090.00
ready for shipping in 24
h
IDAS
Filters Type 4 BGR+L 36mm
$ 990.00
ready for shipping in 3-5
weeks
IDAS
Filters Type 4 BGR+L 31mm
$ 1,090.00
ready for shipping in 24
h
Optolong
Filters Clear Sky Filter 77mm
$ 184.00
ready for shipping in 24
h
Optolong
Filters L-eXtreme 1,25"
$ 271.00
ready for shipping in 24
h
Optolong
Filters SII Filter 2"
Our price:
RRP:
$ 260.00
$ 249.00
ready for shipping in 24
h