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Guide to
Astronomical Camera Filters

“Which way do my filters go?” 

If you have ever asked this question—and/or aren’t sure which filters are the most effective for capturing the sharpest astronomical images possible—you’re not alone. The good news is that this manual has all the answers. 

In this free guide, you will learn not only the answer to the question above, but also about: 

  • The differences between built-in filters and filters that are sold separately  
  • How to ensure your filter is installed properly
  • Absorptive vs. dichroic filter compositions 
  • The benefits of narrowband filters for imaging dark skies and faint nebulae

Download the Guide