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
SensorCleaning.com -- Template
The Secret feature of the F5/F55: interchangeable OLPF filters
UPDATE: James Miller removes optical low-pass filter from 5D Mark III for resolution increase / new footage - EOSHD.com - Filmmaking Gear and Camera Reviews
FILTRE RED STANDARD OLPF DSMC2 - Atmedia & Partner's