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Filters > Nebulae filters > H-Alpha Filters > Baader > Ultra-Narrowband > Baader Filters H-alpha CMOS Ultra-Narrowband 31mm
Product no.: 70873

Filters H-alpha CMOS Ultra-Narrowband 31mm

$ 304.00 incl. VAT, plus shipping costs
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Product description

More about the series Ultra-Narrowband...

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

Central wavelength (nm)
656,3
Half-value width (nm)
3,5
Frame
ring
Mount material
Aluminium
Coating of optical system
Reflex-Blocker™
Appropriate for...
f/10 - f/3.5
filter thickness (mm)
2
Filter Size (mm)
31

General

Type
Filters
Type of build
line filter
Series
Ultra-Narrowband

Area of application

Useful for photographs
yes
Visually useful
no
Twin stars
no
Moon & Planets
no
Nebulae & galaxies
yes
Baader Filters H-alpha CMOS Ultra-Narrowband 31mm
Light transmission curve

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