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The Impressive Optolong L-eNhance Filter by AstroBackyard
The Impressive Optolong L-eNhance Filter by AstroBackyard In this post, I’ll share my results using the Optolong L-eNhance filter for deep sky astrophotography in the city. The L-eNhance is a dual band pass filter that ignores artificial light, yet collects a strong signal emitted by certain nebulae....
Optolong L-Pro Filter Review (Astrophotography Camera Filter)
Optolong L-Pro Filter Review (Astrophotography Camera Filter) Optolong L-Pro Filter Review (Astrophotography Camera Filter)...
Optolong L-eXtreme Filter Review by AstroBackyard
Optolong L-eXtreme Filter Review by AstroBackyard This review was tested by AstroBackyard. "The Optolong L-eXtreme filter is now being used in backyards across the globe, which is great news for those that take astrophotography images in heavy light pollution. This astrophotography 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 ...
Test Report -- Optolong L-eXtreme Filter Comparison by Jim Thompson, P.Eng
Test Report -- Optolong L-eXtreme Filter Comparison by Jim Thompson, P.Eng The light pollution filter market continues to grow, with new offerings being released every couple of months. One of the latest filters to be released is the new L-eXtreme filter from the Chinese company Yulong Optics Co. Ltd. under their Optolong brand. I have a fair amount of experience with Optolong brand filters, all of which started in 2015 with a request directly from Optolong for me to tes...