› Forums › Meteors › Liquid crystal shutters for meteor observing. › Thanks
24 May 2018 at 9:42 pm
#579528
![](https://britastro.org/wp-content/uploads/2018/05/picture-1911-1525901722-80x80.jpg)
Participant
Thanks for the info. Had assumed you had tried filtered and unfiltered driven pics to measure the actual extinction – as manufacturers have been known to hype things and accidentally forget to mention important caveats. Yeah, 37% is pretty painful though. Still worth thinking about though.