Amazon.com : B + W 72mm UV Protection Filter (010) for Camera Lens – Standard Mount (F-PRO), MRC, 16 Layers Multi-Resistant Coating, Photography Filter, 72 mm, Clear Protector : Camera Lens Sky
B+W 55e 010 1x UV Filter (Metal, Screw In, Made in Germany) — F Stop Cameras
B+W 86mm UV Haze SC 010 Lens Filter by Schneider Optics at B&C Camera
Filter Type PR-BW 100-FC - Efficiency in Energy and Water
A Guide to color filter used with B&W Film - The Darkroom Photo Lab