Optolong L-eXtreme Dual Narrowband Filter - 2" Moon Filter Sun Viewfinder

Sun Viewfinder

because at their larger size

Connection via T2 (M42) thread

The Y power cord is designed to connect in-line with the camera's cooler power supply for convenience

Optolong L-eXtreme Dual Narrowband Filter - 2" Moon Filter Sun ViewfinderL eXtreme Filter is absolutely perfect for deep sky nebula photography from the city as it uses much tighter narrowband limits. 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 camere but this can be extremely expensive and might include the purchase of several types of narrowband filters and a filter wheel. These