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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"

$ 449.00 incl. VAT plus shipping costs
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in stock
ready for shipping in 24 h + lead time
Compare the article with this offer: Omegon Filters Pro Veil H-Alpha 3nm 2''

☀️ Ordering for the solar eclipse on August 12? If you select DHL Express as your shipping method, we will dispatch your order on August 11 for expected delivery on August 12. Please note that next-day delivery is only available in metropolitan areas and cannot be guaranteed.

Product questions?
advice for Astronomy

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
Connection (to the telescope)
2"

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

Product safety

Manufacturer: OPTOLONG OPTICS CO. , LTD, M1-1-6 CHANGYUAN MIDDLE ROAD, Kunming, CN, [email protected]
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]
Optolong Filters H-alpha 3nm 2"

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