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Astronomy > Filters > Nebulae filters > SII Filters > Chroma > Chroma Filters SII 5nm 2"
Product no.: 66095

Filters SII 5nm 2"

$ 1,680.00 incl. VAT, plus shipping costs
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This product is available in the following variants:
Half-value width (nm) Price
3 $ 1,830.00
5 $ 1,680.00
8 $ 960.00

Product description

SII filter: The narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 3nm which is designed for nebula fotography.

It is suitable for most emission nebulae, planetary nebulae and supernova remnants.

f you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next filter to consider adding to your collection after H-a and OIII is the SII (es-two) or sulfur filter. The SII filter, like H-a, is a deep red filter near 672 nm. H-a, OIII and SII filters provide that Hubble look for many emission nebula. Again, tri-color narrowband imaging with these three filters can be done with the moon up, so your equipment is not sitting dormant for several weeks.

Specifications

Capacity


Connection (to the telescope)
2"
Frame
2"
Mount material
Aluminium
Central wavelength (nm)
672
Half-value width (nm)
5

General


Type
Filters
Type of build
line filter

Area of application


Planetary nebulae
yes
Supernova remains
yes
Useful for photographs
yes
Anti light-pollution
yes
Chroma Filters SII 5nm 2"

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