How I Made a Ground Glass Focusing Screen at Home (No Special Tools Needed!)

In this video, I’ll show you how to make your own ground glass focusing screen from start to finish. Whether you’re restoring a large format camera, building your own panoramic Cirkut, or just want to understand the process, this step-by-step guide covers everything you need to know.

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What you’ll learn:
• Choosing the right glass thickness and size
• Which abrasives and grit to use for maximum clarity
• How to grind evenly without swirl marks
• Cleaning and finishing for the sharpest possible image
• Tips for testing and comparing different grits

This method works for any camera format — from 4×5 all the way up to ultra-large-format systems. Perfect for DIY builders, restorers, and anyone who loves classic analog photography.

📸 Materials used: Fine ground glass grit 600, plain glass plate, water, and patience!
🔧 Difficulty: Easy to Intermediate

600 Grit Aluminum Oxide https://www.hisglassworks.com/600-gri...

If you find this guide helpful, like, subscribe, and share it with other large-format enthusiasts.

📸 Chapters:
0:00 Intro
0:08 Checking the Glass
1:06 Materials List
1:46 Cleaning and Prep Work
2:15 Water and Aluminum Oxide
3:05 Figure 8s for the Next 20 - 30 Minutes
3:18 Rinse & Dry Then Test Fit
3:48 The Look and Resolve
5:50 Side by Side