How to Measure Telescope Back Focus Correctly (and Why It Matters!) скачать в хорошем качестве

How to Measure Telescope Back Focus Correctly (and Why It Matters!)

🎯 Back focus is one of the most critical—and often overlooked—factors in telescope setup. In this video, you’ll learn how to properly measure back focus in your astrophotography imaging train, what parts to include, and why it’s essential for achieving sharp, pinpoint stars. 🔧 What You’ll Learn in This Video: What back focus is and why it matters How to measure it correctly (with threaded and unthreaded spacers) Where to start and end your measurement Common mistakes (and how to avoid them) Why custom spacers and adapters need double-checking How incorrect spacing can ruin your image quality 🛠️ Whether you’re using a DSLR, dedicated astronomy camera, reducer, flattener, or HyperStar system—this guide will help you nail your back focus and get better images immediately. 💬 Got questions? Drop them in the comments—I'm always happy to help. 👍 Like, Subscribe, and hit the bell to stay updated on more practical astrophotography tips. 🌌 Clear skies and sharp stars! #BackFocus #TelescopeSetup #AstrophotographyTips #ImageTrainSpacing #BackFocusExplained #TelescopeFocusing #SharpStars #AstroImaging #AstrophotographyMistakes #TelescopeBackFocus #DeepSkyAstrophotography