msf
Lightweight Minecraft shader creating a smooth blue iris glow with subtle pulsing, prettier and more performance-friendly than BSL.
⬇ Download on CurseForgeMSF – Lightweight & Beautiful Iris Glow Shader for Minecraft
MSF is a lightweight shader pack for Minecraft that adds a beautiful, smooth blue iris glow effect centered on the screen. Featuring subtle pulsing and soft lighting, this shader enhances visual immersion without sacrificing performance. It is optimized to run smoothly on most hardware, making it an excellent alternative to heavier shaders like BSL.
Features:
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Smooth blue iris glow effect focused at screen center
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Gentle pulsing animation for dynamic visuals
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Soft glow lighting for natural appearance
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Optimized for high FPS and low resource usage
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Compatible with OptiFine and Fabric shader loaders
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Easy to install and customize
Installation:
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Place the
MSF.zipfile into your Minecraft shaderpacks folder. -
Launch Minecraft with OptiFine or Fabric shader support.
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Select "MSF" from the shaders menu.
Requirements:
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Minecraft version 1.14 or higher
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OptiFine or Fabric with shader support installed
Notes:
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This shader focuses on minimalism and performance; it does not include complex lighting or shadows.
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For best experience, use with lightweight resource packs.
- Edition: Minecraft Java
- File type: .zip (resource pack)
- Minecraft versions listed: 1.19.3, 1.20.2, 1.21
- How to install: Download the .zip resource pack — do not unzip it. → Put it in .minecraft/resourcepacks. → Enable it in Options → Resource Packs.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
msf is a free Minecraft Java shader. Compatible with Minecraft 1.19.3, 1.20.2, 1.21, 1.20.5 and newer. Downloaded 88,795 times (via CurseForge). Download it and open it directly in the game.