Vintage Zoom Lenses to Modern Cinema Cameras - A Conversion Guide

In this video, we break down how to adapt vintage B4 broadcast lenses to modern cinema cameras — using our Sony FX6 as the full step-by-step example.

We’ll walk you through the entire process, including:
• The adapters you’ll need
• How to properly set back focus
• Powering servo zooms
• Image circle considerations
• Recommended settings on the FX6
• Pros, cons, and real-world test footage

Whether you’re building out a unique vintage lens kit or just curious about breathing new life into classic broadcast glass, this video will give you everything you need to get started.

If you love vintage lenses, gear breakdowns, cinematography tutorials, and lens-modification lessons, be sure to subscribe to Wild 7 Backlot, where we share all of our filmmaking knowledge from behind the scenes at Wild 7 Studios.

CHAPTERS
00:00:00 START
00:00:32 INTRO
00:03:14 Zoom Shots in Cinema
00:05:39 Why use a Zoom Lens?
00:07:20 The Great Zoom Debate
00:09:55 B4 Sensor History
00:11:18 CONVERSION
00:15:38 Lens Test
00:17:57 OUTRO