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Light pollution filters for 2019

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#1 feygan

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Posted 22 March 2019 - 08:30 AM

Hello everybody,

 

I'm having a hard time deciding and comparing light pollution filters and I thought maybe you guys might share your experiences with them.

 

I regularly shoot from class 6 Bortle and occasionally from class 3-4 Bortle, mostly dso with a stock mirrorless camera (sony a6300). I plan to upgrade the camera in the future (either mod it or buy a dedicated astrophotography one)

 

I've made some research and these are the filters that I am considering (all in 2" size):

 

Optolong L-PRO ~ 160 Euro

Astronomik CLS ~ 170 Euro

Baader Moon & Skyglow ~ 130 Euro

IDAS LPS-D2 ~ 200 Euro

 

Are there any other good broadband light pollution filters? Which one would you choose if you were to buy one now?

 

Thanks!


Edited by feygan, 22 March 2019 - 08:31 AM.

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#2 mxpwr

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Posted 22 March 2019 - 09:06 AM

I have used the astronomik CLS:
-works fine with normal lenses, but you get a lot of chromatic aberrations if you shoot below F4 (red star glow)
- with a SCT and focal reducer, there are no visible chromatic aberrations, but you might get some nasty reflections of very bright stars
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