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Old 17-01-2018, 11:57 AM
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bigjoe (Joe)
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Join Date: Nov 2010
Location: sydney
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Quote:
Originally Posted by glend View Post
Cyclops Optics, of Hong Kong, has launched the STC Astro Duo-Narrowband filter. This filter passes two critical 10nm narrowband lines Hydrogen-alpha and Oxygen-III simulateneously at a very high transmission rate, enabling narrowband imaging with one-shot-colour (OSC) camera and DSLR with high efficiencies even under heavily light polluted sky (according to their info). Available in 48mm and Clip-in versions, at $329 USD with free International shipping,
For all the info click on the product description link on the page below.

https://www.cyclopsoptics.com/astron...7-8bbc10b55357
This could be a game changer then Glen, for City bound narrowband folks, without much time on their hands, or DSLR folk like myself.
I have the Astronomik CLS filter ; does a decent job....this is going to be better it seems.
bigjoe.
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