SilverwingVFX shows how to make the best glass with the Blender Cycles render engine.

While Cycles miss things like Nested Dielectrics and Dispersion effects, you can still create realistic-looking glass with Blender Cycles.

SilverwingfVFX (Raphael Rau) covers some techniques to create great-looking glass with Cycles. Rau mentions that most items covered in this tutorial are relatively universal, meaning you can use some tips in other DCCs and render engines.

More On Creating Glass With Cycles.

A while ago, Creative Shrimp Gleb Alexandrov’s tutorial showed how to create an advanced glass shader using Blender Cycles. The tutorial covered how to leapfrog over Cycles’ limitations to get the best-looking glass. Visit that tutorial here.