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Astronomy > Filters > Nebulae filters > H-Alpha Filters > Optolong > Optolong Filters H-alpha 3nm 2"
Product no.: 73721

Filters H-alpha 3nm 2"

$ 479.00 incl. VAT, plus shipping costs
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Product description

H-alpha filter passes light at 656nm wavelength. Best choice of narrowband H-alpha astrophotography filter for high-contrast imaging and revealing rich details of the nebula even in areas with strong light pollution,

Specifications

Capacity

Connection ( to eyepiece)
2"
Frame
2"
passband (nm)
656
Half-value width (nm)
3

General

Type
Filters
Type of build
line filter

Area of application

Useful for photographs
yes
Anti light-pollution
yes
H-alpha
yes
Planetary nebulae
-
Supernova remains
yes
Visually useful
yes
Hydrogen nebulae
yes
Nebulae & galaxies
no
Optolong Filters H-alpha 3nm 2"

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