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New Optolong 3nm Narrowband filters


AstronomyUkraine
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Optolong announced the launch of a new set of 3nm narrowband filters. The launch date is unknown, but is expected in the near future. Shawn from Visible Dark has been reviewing a set of these filters, and the results look promising. The price of the set is quoted on the Optolong website as $1239 for the 2" version and $1019 for the 36mm version. No mention of a 25mm version.

 

https://www.optolong.com/cms/document/detail/id/161.html

 

Here is Shawn's results from the review made by Shawn.

 

 

 

 

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I want to see a result from SII only, i watched the video and he did a great job, sounds all Optolong filters 3nm has no halo or barely there is for OIII at least, but i only need SII 3nm although i have that already from another brand, i just want larger size as 36mm or 2" at lower price.

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