NEEMOO OLPF Filtre passe-bas 50 x 55 mm rectangulaire épaisseur 0,55 mm 650/850 nm pour appareil photo reflex numérique (50 x 55 x 0,7 mm) : Amazon.ca: Électronique
Using Sony's 2K Optical Low Pass Filter on the F5 and F55 | Tutorials & Guides | Blog & Knowledge | AbelCine
Blackmagic Design Announces Blackmagic URSA Mini Pro 12K OLPF | Business Wire
OLPF filter|crystal filter | Accute Optical
UPDATE: James Miller removes optical low-pass filter from 5D Mark III for resolution increase / new footage - EOSHD.com - Filmmaking Gear and Camera Reviews