Amazon.com : Tiffen Diffusion Filters Camera Lens Sky & UV Filter, Black (67PEARL12) : Electronics
I've read that the Tiffen Black Glimmer glass retains more contrast and is more transparent than Black Pro mist, but their Triangle of Diffusion chart says otherwise… anyone had any experience? :
Introducing Tiffen Warm Diffusion Filters - British Cinematographer
Diffusion Filters - Are they useful? - phillipreeve.net
Tiffen's Diffusion Triangle! : r/cinematography
New Tiffen 49mm Digital Diffusion FX 5 Filter MFR #W49DDFX5 | eBay
Tiffen Filter Wheel 3 Black Diffusion/FX 1/2 Filter FW3BDFX12