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Lens filters are attached or screwed onto the lens of the optic, on the side facing the object to be observed.

Especially in the case of solar filters, no damaging radiation is allowed into the optic from the outset. This protects the optic and is the safest method of reducing light.

Most lens filters can also be used for photographic lenses.

Products 1 - 36 of 165
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Omegon solar filter, 130mm
Omegon
solar filter, 130mm
$ 24.90
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
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
$ 14,800.00
ready for shipping in 1-2 weeks
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
$ 13,200.00
ready for shipping in 1-2 weeks
Lunt Solar Systems Filters LS 100F Ha H-Alpha filter set for 1200mm focal length
Lunt Solar Systems
Filters LS 100F Ha H-Alpha filter set for 1200mm focal length
$ 12,600.00
ready for shipping in 1-2 weeks
Omegon 138mm-153mm solar filter
Omegon
138mm-153mm solar filter
$ 69.00
ready for shipping in 24 h
Coronado Filters Double Stacking Etalon Solarmax II PST 40mm
Coronado
Filters Double Stacking Etalon Solarmax II PST 40mm
$ 1,570.00
ready for shipping in 24 h
Lunt Solar Systems Filters LS 100F Ha H-Alpha filter set for 600mm focal length
Lunt Solar Systems
Filters LS 100F Ha H-Alpha filter set for 600mm focal length
$ 11,900.00
ready for shipping in 1-2 weeks
Omegon solar filter, 60-80mm
Omegon
solar filter, 60-80mm
$ 19.90
ready for shipping in 24 h
Omegon solar filter, 114mm
Omegon
solar filter, 114mm
( 4 / 5 )
$ 24.90
ready for shipping in 24 h
Lunt Solar Systems Filters H-alpha double-stack solar filter LS100FHa
Lunt Solar Systems
Filters H-alpha double-stack solar filter LS100FHa
RRP:  $ 11,600.00
Our price:
$ 11,200.00
ready for shipping in 1-2 weeks
Astroprints Solar Filters ZWO Seestar S50
Astroprints
Solar Filters ZWO Seestar S50
$ 31.90
ready for shipping in 24 h
Meade Filters Glass Solar Filter 525 ID 133MM
Meade
Filters Glass Solar Filter 525 ID 133MM
$ 231.00
ready for shipping in 24 h
Omegon 173mm-193mm solar filter
Omegon
173mm-193mm solar filter
$ 89.00
ready for shipping in 24 h
DayStar Filters Energy Rejection Filter E-180N130
DayStar
Filters Energy Rejection Filter E-180N130
$ 1,470.00
Sale price:
$ 1,207.33
ready for shipping in 24 h
Explore Scientific Sun Catcher solar filter for 229-254mm (9"-10") SCs
Explore Scientific
Sun Catcher solar filter for 229-254mm (9"-10") SCs
RRP:  $ 64.00
Our price:
$ 31.90
ready for shipping in 24 h
Lunt Solar Systems Filters LS 50F Ha H-Alpha filter set for 3400mm focal length
Lunt Solar Systems
Filters LS 50F Ha H-Alpha filter set for 3400mm focal length
$ 5,600.00
ready for shipping in 1-2 weeks
Lunt Solar Systems Filters LS50C double-stack filter
Lunt Solar Systems
Filters LS50C double-stack filter
$ 1,790.00
ready for shipping in 1-2 weeks
Lunt Solar Systems Filters H-Alpha Doublestack LS40F
Lunt Solar Systems
Filters H-Alpha Doublestack LS40F
$ 1,060.00
ready for shipping in 1-2 weeks
Omegon solar filter, 90mm
Omegon
solar filter, 90mm
$ 24.90
ready for shipping in 24 h
Meade Filters Glass Solar Filter 1200
Meade
Filters Glass Solar Filter 1200
$ 399.00
ready for shipping in 24 h
Lunt Solar Systems Filters H-alpha LS50FHa/B1800d1
Lunt Solar Systems
Filters H-alpha LS50FHa/B1800d1
$ 3,900.00
ready for shipping in 1-2 weeks
Artesky Filters ERF 200 in metal mount
Artesky
Filters ERF 200 in metal mount
$ 2,110.00
ready for shipping in 3-5 weeks
Lunt Solar Systems Filters 50mm Ha Etalon filter
Lunt Solar Systems
Filters 50mm Ha Etalon filter
$ 2,060.00
ready for shipping in 1-2 weeks
Astrozap AstroSolar solar filter for 250mm-260mm
Astrozap
AstroSolar solar filter for 250mm-260mm
$ 263.00
ready for shipping in 24 h
Meade Filters Glass Solar Filter 400 ID 101mm
Meade
Filters Glass Solar Filter 400 ID 101mm
$ 231.00
Sale price:
$ 207.36
ready for shipping in 24 h
Lunt Solar Systems Filters LS 50F Ha H-Alpha filter set for 1200mm focal length
Lunt Solar Systems
Filters LS 50F Ha H-Alpha filter set for 1200mm focal length
$ 3,160.00
ready for shipping in 1-2 weeks
Meade Filters Glass Solar Filter 575 ID 146MM
Meade
Filters Glass Solar Filter 575 ID 146MM
$ 242.00
ready for shipping in 24 h
Baader AstroSolar telescope solar filter ASTF 160mm
Baader
AstroSolar telescope solar filter ASTF 160mm
$ 126.00
ready for shipping in 24 h
Lunt Solar Systems Filters H-alpha LS50FHa/B600d2
Lunt Solar Systems
Filters H-alpha LS50FHa/B600d2
$ 2,630.00
ready for shipping in 1-2 weeks
Lunt Solar Systems Filters H-alpha LS50FHa/B600d1
Lunt Solar Systems
Filters H-alpha LS50FHa/B600d1
$ 2,630.00
ready for shipping in 1-2 weeks
Baader BDSF 100mm digital solar filter
Baader
BDSF 100mm digital solar filter
$ 111.00
ready for shipping in 1-2 weeks
Artesky Filters ERF 150 in metal mount
Artesky
Filters ERF 150 in metal mount
$ 1,320.00
ready for shipping in 1-2 weeks
euro EMC SF100 Size 9: 215mm to 273mm AstroSolar
euro EMC
SF100 Size 9: 215mm to 273mm AstroSolar
$ 139.00
ready for shipping in 24 h
Seymour Solar Filters Helios Solar Glass with camera thread 95mm
Seymour Solar
Filters Helios Solar Glass with camera thread 95mm
$ 199.00
ready for shipping in 24 h
Spectrum Telescope Filters Binocular Glass Solar 90mm
Spectrum Telescope
Filters Binocular Glass Solar 90mm
$ 305.00
Sale price:
$ 194.73
ready for shipping in 24 h
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