7,500+ items available from stock
Personal advice & service
Best price guarantee
Get closer

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

Find out now!

Top brands

Products 1 - 36 of 1515
Sort by:
Omegon Filters Moon filter 1.25"
Omegon
Filters Moon filter 1.25"
( 2 / 5 )
$ 19.90
ready for shipping in 24 h
Omegon Filters Variable grey filter 1.25"
Omegon
Filters Variable grey filter 1.25"
( 5 / 5 )
$ 39.90
ready for shipping in 24 h
Baader Sun filter foil AstroSolar® ECO-size OD 5.0 140x155mm
Baader
Sun filter foil AstroSolar® ECO-size OD 5.0 140x155mm
( 5 / 5 )
$ 17.90
ready for shipping in 24 h
Omegon Filters Nebula/ city light filter 1.25 ''
Omegon
Filters Nebula/ city light filter 1.25 ''
( 3.5 / 5 )
$ 39.90
ready for shipping in 24 h
Omegon Filters Light Pollution Filter, 2”
Omegon
Filters Light Pollution Filter, 2”
( 3.33 / 5 )
$ 59.00
ready for shipping in 24 h
Baader Sun filter foil 20 x 29 cm
Baader
Sun filter foil 20 x 29 cm
( 5 / 5 )
$ 31.90
ready for shipping in 1-2 weeks
Omegon Filters UHC Filter, 1.25“
Omegon
Filters UHC Filter, 1.25“
$ 69.00
ready for shipping in 24 h
Omegon Filters Pro 1.25'' UHC filter
Omegon
Filters Pro 1.25'' UHC filter
$ 69.00
ready for shipping in 24 h
Omegon Filters Color filter set 1,25'' (6 pieces)
Omegon
Filters Color filter set 1,25'' (6 pieces)
$ 69.00
ready for shipping in 24 h
Omegon Blocking Filters 1.25''UV / IR cut-off filter
Omegon
Blocking Filters 1.25''UV / IR cut-off filter
$ 79.00
ready for shipping in 24 h
Optolong Filters L-eXtreme 2"
Optolong
Filters L-eXtreme 2"
$ 359.00
ready for shipping in 24 h
Omegon Filters Variable Polarising Filter 2"
Omegon
Filters Variable Polarising Filter 2"
$ 69.00
ready for shipping in 24 h
Omegon Filters Pro 2'' UHC filter
Omegon
Filters Pro 2'' UHC filter
$ 99.00
ready for shipping in 24 h
Omegon solar filter, 150mm (6'')
Omegon
solar filter, 150mm (6'')
( 4 / 5 )
$ 59.00
ready for shipping in 24 h
Omegon Filters 1.25'' deep sky filter
Omegon
Filters 1.25'' deep sky filter
$ 89.00
ready for shipping in 24 h
OPT Filters Triad Ultra Quad-Band Narrowband Filter 2"
OPT
Filters Triad Ultra Quad-Band Narrowband Filter 2"
$ 2,280.00
ready for shipping in 24 h
Omegon solar filter, 114mm
Omegon
solar filter, 114mm
( 4 / 5 )
$ 24.90
ready for shipping in 24 h
Optolong Filters L-eNhance 2"
Optolong
Filters L-eNhance 2"
( 5 / 5 )
$ 261.00
ready for shipping in 24 h
DayStar Filters 0.5Å H-alpha Quantum PE filter
DayStar
Filters 0.5Å H-alpha Quantum PE filter
$ 28,500.00
ready for shipping in 3-6 months
Omegon Filters 1.25" premium Skylum filter
Omegon
Filters 1.25" premium Skylum filter
$ 19.90
ready for shipping in 24 h
Omegon Filters Premium Moon Filter 13% transmission 2''
Omegon
Filters Premium Moon Filter 13% transmission 2''
$ 24.90
ready for shipping in 24 h
Optolong Filters L-Quad Enhance 2"
Optolong
Filters L-Quad Enhance 2"
RRP:  $ 261.00
Our price:
$ 250.00
ready for shipping in 24 h
Omegon solar filter, 130mm
Omegon
solar filter, 130mm
$ 24.90
ready for shipping in 24 h
Omegon Filters 2'' Moon filter 25% Transmission
Omegon
Filters 2'' Moon filter 25% Transmission
( 3.5 / 5 )
$ 24.90
ready for shipping in 24 h
Omegon solar filter, 90mm
Omegon
solar filter, 90mm
$ 24.90
ready for shipping in 24 h
Optolong Filters L-Ultimate 2"
Optolong
Filters L-Ultimate 2"
$ 436.00
ready for shipping in 24 h
Omegon solar filter, 60-80mm
Omegon
solar filter, 60-80mm
$ 19.90
ready for shipping in 24 h
ZWO Filter Holder with Filter Drawer 2"
ZWO
Filter Holder with Filter Drawer 2"
RRP:  $ 130.00
Our price:
$ 125.00
ready for shipping in 24 h
ZWO EFW 5x2"
ZWO
EFW 5x2"
RRP:  $ 530.00
Our price:
$ 461.00
ready for shipping in 24 h
Lunt Solar Systems Filters LS 100F Ha H-Alpha filter set for 3400mm focal length
Lunt Solar Systems
Filters LS 100F Ha H-Alpha filter set for 3400mm focal length
$ 15,300.00
ready for shipping in 1-2 weeks
Omegon Filters OIII Filter 2"
Omegon
Filters OIII Filter 2"
( 5 / 5 )
$ 119.00
ready for shipping in 24 h
Vaonis Filters Dual Band Filter for VESPERA
Vaonis
Filters Dual Band Filter for VESPERA
$ 436.00
ready for shipping in 3-5 weeks
IDAS Filters Type 4 BGR+L 31mm
IDAS
Filters Type 4 BGR+L 31mm
$ 1,090.00
Sale price:
$ 816.71
ready for shipping in 24 h
Astroprints Filter holder with Dew Shield for ZWO Seestar S50 2"
Astroprints
Filter holder with Dew Shield for ZWO Seestar S50 2"
$ 55.00
ready for shipping in 24 h
Lunt Solar Systems Filters LS 100F Ha H-Alpha filter set for 1800mm focal length
Lunt Solar Systems
Filters LS 100F Ha H-Alpha filter set for 1800mm focal length
$ 13,700.00
ready for shipping in 1-2 weeks
Lunt Solar Systems Filters 100mm Ha Etalon filter with B1800 for 2" focuser
Lunt Solar Systems
Filters 100mm Ha Etalon filter with B1800 for 2" focuser
$ 13,700.00
ready for shipping in 1-2 weeks