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Filters > Nebulae filters > SII Filters > Askar > Colour Magic 3nm > Askar Filters Colour Magic SII 3nm 2"
Product no.: 87815

Filters Colour Magic SII 3nm 2"

$ 540.00 incl. VAT plus shipping costs
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Product description

The ColourMagic 3nm Narrowband Filter features an extremely narrow bandwidth and excellent transmittance, allowing you to capture high-contrast, low-noise deep-sky images even in areas affected by urban light pollution, atmospheric airglow, or other stray light sources.

This makes faint nebula structures and subtle stellar details—often difficult to reveal—easily visible.Furthermore, the ColourMagic filter incorporates an optimized optical design for improved halo control, ensuring higher image quality and enhancing the overall expressive power of your astrophotography.

Sii filters: The narrow-band filter allows light from ionised sulphur atoms at 671.7 and 673.1 nanometres to pass through. These are the lines in which many planetary nebulae, emission nebulae and supernova remnants shine.

Astrophotography: Monochromatic cameras are best for this. Ideally, you should combine shots with sii, oii and h-alpha filters. This will give you an image that shows the delicate nebula structures clearly and with high contrast.

Specifications

Capacity


Number (piece)
1
Central wavelength (nm)
672
Half-value width (nm)
3,7
filter thickness (mm)
1,85
Frame
2"
Transmission
85
Mount material
Aluminium
Coating of optical system
multiple
Connection (to the telescope)
2"

General


Type
Filters
Type of build
line filter
Series
Colour Magic 3nm

Area of application


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

Product safety

Manufacturer: SHARPSTAR OPTICS CO.,LTD, 3/F, No.5 building , Science and Technology Center, No.79 Jin-Sui Road,, 314001 Zhe-Jiang, CN, http://www.sharpstar-optics.com
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]
Askar Filters Colour Magic SII 3nm 2"
Light transmission curve

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