Arc Shaders
Arc Shaders (1.20.4, 1.19.4) attempts to provide high-quality lighting while focusing on performance and configurability. It aims to providing realistic visuals with very minimal performance loss. Almost every effect/feature can be fine-tuned for the ideal balance between performance and quality. Also contains special support for Physics Mod ocean waves and snow.

Features:
- HDR lighting
 - Volumetric lighting
 - Volumetric fog/smoke
 - Manual & Automatic exposure
 - Screen-space reflections
 - Water waves & refraction
 - Supports basic, distorted, and cascaded shadow mapping
 - Depth-of-Field
 - Bloom
 
Screenshots:










Requires:
Iris Shaders Mod (Optional)
How to install:
- Please visit the following link for full instructions: How To Download & Install Shaders with OptiFine