VFX Tutorial - Wide Sky Replacement with Blackmagic Fusion
Learn how to replace a sky on a panning wide shot in Blackmagic Fusion using planar tracking, panoramic images, and masking to create a seamless composite.
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 Lumikeyer 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 strategic feathering for horizon blending
Refining Lumikeyer settings to preserve foreground detail while allowing subtle sky integration
Applying tracking data to mask polygons for movement-synced refinement
Color correcting with post-multiply enabled for proper edge treatment
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. This workflow keeps your node tree organized and delivers professional results.
Purchase the Full pack of Ultra Wide Clouds below
Your digital download will be a PDF File with a Download link to the Cloud Pack: Vol2 zip
Elevate your sky replacements with a curated set of 10 real skyline plates captured for maximum lateral parallax and seamless comp work. Each image offers massive horizontal runway—with resolutions up to 25,000+ pixels wide—so you can pan, reframe, and adjust without running out of frame.
What’s inside:
10 ultra‑wide, high‑res cloud skylines
Master files up to 25,000 px wide for extreme reframes and stabilizing
Two additional delivery sets for speed and flexibility:
2160p height versions for UHD workflows
1080p height versions for quick previews and fast iteration
Many reduced‑res widths still reach up to 8K wide, giving you plenty of lateral movement even at lighter sizes
Perfect for:
Sky replacements in narrative, commercials, and doc work
Wide establishing shots that need believable atmospheric depth
Matte Paintings for any background
Motion design backgrounds or texture
Specs at a glance:
Quantity: 10 unique images, 30 Total including 2160p and 1080p Versions
Max resolution: up to 25,000+ px wide
Included variants: 2160p height set, 1080p height set
Some reduced versions still reach widths up to 8K
Ideal use: VFX sky replacements, re-framing, matte paintings, and concept work
