Optolong L-eXtreme Dual Narrowband Filter - 1.25" smartphone camera Suitable for: Standard Vixen viewfinder

Suitable for: Standard Vixen viewfinder shoes

Camera with 11mm high thread adapter

a StarTracker mount tracks the night sky to prevent star trailing

F Ratio: f/15

8Viewing the Moons surface through this filter will help dramatically increase the contrast and sharpness

Optolong L-eXtreme Dual Narrowband Filter - 1.25" smartphone camera Suitable for: Standard Vixen viewfinderThe L eXtreme Filter is perfect for deep sky nebula photography from the city as it uses much tighter narrowband limits blocking out unwanted glow from the city. The relentless spread or urbanization and its associated light pollution have become a big problem for all amateur astro photographers around the world. One solution is to purchase a Mono camera but this can be expensive and might also require the purchase of several types of narrowband