Works great for visual astronomyReview by V. R. on 14.10.2022 16:20:28
( 5 / 5 )
For my area it works great. Cuts out light like butter. I dont know nor I care about astrophotography but this filter seems quite good for visual.
The orion nebula did looked slightly dimmer than without filter, but the sky was much blacker with it.
Its my only filter so I cant be objective if its great or good in comparison but as first filter it gets the job done.
Antireflective coatingReview by lawtel on 05.11.2010 21:09:28
( 3 / 5 )
Please note, this low cost filter is not "antireflection" coated.
A cheap copy of the Baader Neodymium
Pay attention to the chartReview by tonyveo on 20.02.2020 20:49:14
( 2 / 5 )
I made a mistake of learning how to read the wavelength chart after buying the filter.
this filter is dedicated to remove a certain wavelength around 580mm and 490nm, which means that this filter can help you if your city is using Hight Pressure Sodium lights. If, on the other hand, you city uses White LED lights, that peak around 450nm, then this filter will not do the job.
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