Optolong L-eXtreme Filter Review
The Optolong L-eXtreme filter is now being used in backyards across the globe, which is great news for those who take astrophotography images in heavy light pollution. This dual-narrowband filter features even narrower bandpasses than last year’s L-eNhance, making it perfect for nebula photography from the city. The Optolong L-eXtreme filter isolates the H-alpha (Ha),…