ZWO 7nm SII Filters

Brand: ZWO
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ZWO 7nm SII Filters

Brand: ZWO
SKU: ZWOFILT
$199.00$289.00 AUD
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ZWO 7nm SII Narrowband Filters

The ZWO 7nm SII  filter passes light at 672.4nm (Ionised Sulphur) wavelength with a bandpass of 7nm which is designed for nebula observation. 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. It is suitable for imaging on most emission nebulae, planetary nebulae and supernova remnants, use it with H-alpha and OIII narrowband filters (SHO Set) for tricolor (Hubble Pallet) CCD astrophotography.

  • Hubble look of images can be made by the combination of H-alpha, OIII-CCD and SII-CCD, such as the famous “Pillars of Creation” (M16 Eagle Nebula)
  • Narrowband imaging with SHO set (H-alpha, OIII-CCD and SII-CCD) can be done with the moon up in heavy light pollution, so your equipment is not sitting dormant for several weeks

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

 

New from ZWO 7nm SII Narrowband Filters.

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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