11/11/25

Wide Sky Replacement with Blackmagic Fusion Tutorial

Link to ActionVFX Footage Used

https://www.actionvfx.com/practice-footage/man-looking-out-at-city

Click to download Sky Image Used

In this tutorial, you'll learn how to create a convincing sky replacement on a panning wide shot using Blackmagic Fusion.

What You'll Learn:

  • Track a panning shot using the Planar Tracker with adaptive tracking areas

  • Position and scale ultra-wide panoramic images to cover camera movement

  • Blend the new sky with the original footage using feathered masks

  • Extract foreground elements with the Luma keyer for realistic compositing

  • Color correct the replacement sky to match your footage

  • Create animated garbage masks that follow camera movement

Key Techniques:

  • Creating planar transform data from tracked footage

  • Using rectangle masks with feathering for horizon blending

  • Refining Luma keyer settings to preserve foreground detail while allowing subtle sky integration

  • Applying tracking data to mask polygons for movement-synced refinement

Assets Used:

  • ActionVFX footage

  • Puffy Clouds Panorama Pack (ultra-wide panoramic sky images)

Perfect for anyone working with wide tracking shots that need sky replacements.

Next

Planar Tracker Compositing in Blackmagic Fusion