How To: Achieve Back Focus for Astrophotography

What is BACKFOCUS?? And how to deal with it? - Starting Astrophoto for Lazy People - Ep 8

Telescope Back Focus: The Ultimate Guide [TAIC Short]

How to achieve the perfect BACKFOCUS for your telescope and camera

How to set backfocus on the William optics Zenithstar Z61/Z73 (Astrophotography)

Astrophotography: Setting Up My Image Train with Proper Back Focus

5. Backfocus

Back-Focus 101: Celestron 8" EdgeHD SCT (no reducer)

How to Photograph the Milky Way

Finding Focus with a New Astro Camera + Backfocus Explained

Backfocus with an ZWO Cooled Camera

Back-Focus 101: Celestron EdgeHD: C9.25, C11, and C14 Basic Back-Focus for DSLR and CCD/CMOS Cameras

Back-Focus 101: Celestron SCT wIth Celestron f/6.3 Reducer/Corrector

Back-Focus 101: How Filters Affect Back-Focus

Back Focal Distance & Your Telescope Image Train for Astrophotography (Not Funny)

Mastering Telescope Back Focus - Lining Up with the Focal Plane

Setting Back Focus for Astrophotography with Celestron NextStar 6SE 8SE and f6.3 Focal Reducer

Back-Focus 101: Newtonian Reflectors with M54 Threads

Back Focus Fundamentals

Back-Focus 101: Celestron EdgeHD: C9.25, C11, and C14 Advanced Back-Focus with the Celestron OAG