SKU:7809332329
ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Description
ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark IIZWO 31mm SII 7nm Narrowband Filter UNMOUNTED Mark II (Since mid 2018 ZWO supplies a new, improved version of their narrowband filters. The difference is visible when shooting night sky "landscapes" with very bright stars in the field of view, especially with the H alpha and SII filters, the difference is very very subtle when using the new OIII filters) The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is
they allow astronomers to study different gases and physical processes within emission nebulae
the decision ultimately comes down to the size of your telescope and your imaging goals
only 45g / 0
Made from the finest
Use with Colour Cameras
25" 2x achromatic Barlow lens effectively doubles the magnification of each eyepiece
the dovetail slot carved out of the handle can also be a base for the attachment of finders
Digital Rebel XS
Screw holes on telescope side used to connect the FHD-OAG MINI
improving durability and performance
The primary mirror is made of a Pyrex-alike glass PZ33
Sensitivity: FM≤8uV
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Your ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II orders ship within 1-2 business days.
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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