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Filters > Nebulae filters > UHC Filters > Sharpstar > Duo > Sharpstar Filters C1 Duo-Band Filter H-Alpha & OIII 2"
Product no.: 81981

Filters C1 Duo-Band Filter H-Alpha & OIII 2"

$ 289.00 incl. VAT, plus shipping costs
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Product description

Specifications

Capacity


Central wavelength (nm)
500,7 & 656,6
Half-value width (nm)
5
filter thickness (mm)
0,05
Frame
2"
Transmission
90
Mount material
Aluminium
Coating of optical system
multiple

General


Type
Filters
Type of build
line filter
Series
Duo

Area of application


Useful for photographs
yes
Visually useful
no
Twin stars
no
Moon & Planets
no
Nebulae & galaxies
yes
Sharpstar Filters C1 Duo-Band Filter H-Alpha & OIII 2"

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