![Optolong L-Quad Enhance Filter L-QEF](https://visibledark.ca/wp-content/uploads/2024/01/LQEF-filter-300x300.jpg)
![Shawn Nielsen](https://visibledark.ca/wp-content/uploads/2023/10/Lumii_20231010_155616176.jpg)
The Amazing Optolong L-Quad Enhance Filter for OSC Imaging
The Optolong L-Quad Enhance Filter, also known as L-QEF, is a recent innovation that is especially designed for the astrophotography community. This filter stands out for its ability to substantially suppress light pollution while