ZWO SII 1.25 inch Narrow Band Filter

ZWO 7nm SII Filters

$199.00 – $299.00

The ZWO 7nm SII 7nm filter is centered around 672.4nm which is Singly Ionised Sulphur. It is in the deep red part of the spectrum and is quite common in deep sky objects. The SII filter helps to detect faint feathery detail in nebulae that’s not seen in H-alpha.
When used in conjunction with the narrowband H-alpha and narrowband OIII filters they make up part of the Hubble palette, used by HST to image these and other elements in nebulae.

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Description

ZWO 7nm SII Narrowband Filters

The ZWO 7nm SII 7nm filter is centred around 672.4nm (Ionised Sulphur). Deep in the red part of the spectrum it is common in deep sky objects. The SII filter detects faint feathery detail in nebulae that’s not seen in H-alpha.

1.25 inch suits the new ZWO 8 position 1.25 inch Filterwheel

31mm unmounted suits the new ZWO 8 position 31mm Filterwheel

36mm unmounted suits the new  ZWO 7 position 36mm Filterwheel

Additional information

Weight 0.2 kg

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