Broadband filters collect a wide array of light wavelengths and can produce more natural-looking colors (especially the stars). They are not narrowband filters that collect data in one wavelength of light at a time.Įssentially there two types of filters, broadband and narrowband, and they are exactly how they sound. These are astrophotography filters that let you capture a “complete” color image in one shot. So, DSLRs, mirrorless, and one-shot-color astronomy cameras. The filters I’ll talk about in this post are primarily used with color cameras. I appreciate that they are full cut-off lights pointing directly downwards, but what can I say, when you look up you see fewer stars than ever before. My backyard is considered to be a class 6-7, the introduction of LED street lights throughout my city over the last few years has brightened the sky up significantly. You can find out the Bortle Scale class of your home using a light pollution map, or my favorite, the ‘ Clear Outside’ mobile app by First Light Optics. I know you can just go to the company websites for mind-blowing example images with these filters – but maybe we should take a look at what actual amateurs are doing from the backyards?īefore we get started, I should mention that the effectiveness of a particular light pollution filter will depend on your imaging location. This often leads to a more challenging image-processing session, but the results are usually worth it. It’s worth noting that I also shoot unfiltered in certain situations where a broadband filter would help.
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