Get the " V-Ray 5 Masterclass: Your Complete Guide to V-Ray for 3ds Max
" from here :
https://gumroad.com/l/VRayMasterclass
In this tutorial which is a part of " The Ultimate Introduction to V-Ray for 3ds Max " course , we learn how to achieve Depth Of Field and create extremely shallow Depth of Field in V-Ray and 3ds Max.