Canon EF 100-400mm f/4.5-5.6 L USM

L-series super telephoto zoom lens equipped with an Image Stabilizer. The fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture quality at all focal lengths. The Image stabilizer has two modes and it is compatible with Extenders 1.4x and 2x
(Filter size 77mm)

A multi-purpose fine-weather filter
Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A multi-purpose,
fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector.

Fantastic optical cleaning pen. Never drys out and is self cleaning.