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Astronomy > Filters > Nebulae filters > UHC Filters > Player One > Player One Filters Anti-Halo PRO Dual-Band Ha+OIII 2"
Product no.: 86162

Filters Anti-Halo PRO Dual-Band Ha+OIII 2"

$ 710.00 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,

OIII Filter: The narrowband O-III 3nm filter is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, blocking out all other light.

Excellent suppression of disturbing halos: A common problem with filters is the appearance of halos around bright stars. These disturb the appearance of an otherwise good photo considerably.
During the development of the Anti-Halo-PRO filter, special attention was therefore paid to preventing the appearance of halos.

Specifications

Capacity


Central wavelength (nm)
500,7 & 656,3
Half-value width (nm)
3,2 & 3,7
filter thickness (mm)
1,85
Transmission
> 85%
Mount material
Aluminium
Coating of optical system
multiple
Connection (to the telescope)
2"
Length of thread (mm)
2,5

General


Type
Filters
Type of build
line filter
Height (mm)
7,5

Area of application


Useful for photographs
yes
Visually useful
no
Twin stars
no
Moon & Planets
no
Nebulae & galaxies
yes

Product safety

Manufacturer:
Player One Filters Anti-Halo PRO Dual-Band Ha+OIII 2"
Light transmission curve

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