This filter is for use with narrowband astrophotography .
Sulphur II light has a wavelength of 672.4nm, and is the most commonly-used narrowband frequency. It can be used as part of three-band or other false-colour images
About ZWO Optical
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou, China. Known for its iconic ZWO ASI 120MM Monochrome CMOS Camera, the first-ever planetary CMOS camera to beat a CCD in the early 2010s, ZWO has pioneered new astroimaging technology with revolutionary new features, including USB 3,0, cooled systems, ADC and more. Today, ZWO Cameras is known by every passionate astrophotographer and is available in over 25 countries world-wide.
Product Code: ZWO-SII7nm1.25
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WE CANNOT PRICE MATCH:
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Please note that price matching will also include the competitor’s shipping costs to you. This means, if they charge free shipping on that approved price match, we will too!
30 Days Returns Policy
At OpticsCentral, we want you to be happy with your purchase! If you have any problems with your order within 30 days of purchase, we are happy to help you out with an Exchange or Refund.
No problem! If you would like to return an item to us for an Exchange or Refund, we are happy to do so within 30 days of purchase as long as the item is in its original condition with all of the original packaging. Simply contact our Customer Service team via the Contact Us page or call us on 1300 884 763 and we will issue you with a Return Authority for your product.
Please note that return shipping is at the expense of the customer and Refunds will exclude the original shipping fees.
*Unfortunately, we are unable to accept Change of Mind returns on Telescopes unless the packaging has not been opened.
It’s unfortunate, but sometimes products may have a manufacturing fault or get damaged in transit. Sometimes packaging errors can occur - we are human afterall! If you have any issues with your order, please contact our Customer Service team via the Contact Us page or call us on 1300 884 763 within 30 days of receiving your order and we will issue you with a Return Authority for your product.
Once assessed by our team and the item is found faulty or we have made a mistake, we are certainly happy to provide you with an Exchange or Refund.
Return shipping for Faulty or Incorrect products is FREE, and we will send out the replacement at no additional cost to you.
Please allow 4-6 weeks for your item to be returned to us and assessed. Refunds will be made or exchanges finalised during this time.
This filter is for use with narrowband astrophotography .
Sulphur II light has a wavelength of 672.4nm, and is the most commonly-used narrowband frequency. It can be used as part of three-band or other false-colour images
About ZWO Optical
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou, China. Known for its iconic ZWO ASI 120MM Monochrome CMOS Camera, the first-ever planetary CMOS camera to beat a CCD in the early 2010s, ZWO has pioneered new astroimaging technology with revolutionary new features, including USB 3,0, cooled systems, ADC and more. Today, ZWO Cameras is known by every passionate astrophotographer and is available in over 25 countries world-wide.
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