Amazon.com : Formatt Hitech Essentials Filter Kit, Patrick Di Fruscia Signature Edition – 100mm Professional Photography Kit with Filters, Adaptor Rings, Filter Holders, Polariser, Photography Booklet : Electronics
Amazon.com : Formatt Hitech Firecrest 85mm ND Starter Kit – Professional Grade ND Grad Camera Filters – Hyper Neutral Across All Light Spectrums – 85mm Hyper Neutral Density Camera Filter Kit for Beginners : Electronics
Formatt-Hitech Filters - first impressions - HDRshooter