I recently tested Optolong’s new 3nm hydrogen-alpha, oxygen-III, and sulfur-II filters and overall I am very satisfied, particularly for their price point ($439 each...
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If you’re an astrophotographer in a city, you will have additional light pollution challenges to consider when looking to get a new camera to...
In the last few years the selection of light pollution filters for astrophotography has expanded to bewildering proportions. Costing $200 to as much as...
For the many of us who live near cities, light pollution makes quality astrophotography difficult. Fortunately, there are many filters that alleviate the problem....