Re: what should I know before using a Light Pollution filter?: Astrophotography Talk Forum Forum: Digital Photography Review
![IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS] - V4 Series - O'Telescope IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS] - V4 Series - O'Telescope](https://content.invisioncic.com/r253704/store-HU-LPS-V4-EOS.jpg)
IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS] - V4 Series - O'Telescope
![Hutech CLIP IDAS Nebula Clip Filter LPS-V4 - for Canon EOS DSLR - - Camera Concepts & Telescope Solutions Hutech CLIP IDAS Nebula Clip Filter LPS-V4 - for Canon EOS DSLR - - Camera Concepts & Telescope Solutions](https://www.teleskop-express.de/shop/Bilder/shop/Hutech/hutech-idas-lps-transmission.jpg)