Polarizer Effects with EF 70-300mm DO IS lens

A circular polarizer filter works normally with the 70-300mm DO lens to enhance cloud/sky contrast and decrease reflections when photographing subjects below water surfaces.

01_IMG_3123_nofilter 02_IMG_3124_polarizer
01_IMG_3123_nofilter.jpg 02_IMG_3124_polarizer.jpg
03_IMG_3131_nofilter 04_IMG_3130_polarizer
03_IMG_3131_nofilter.jpg 04_IMG_3130_polarizer.jpg
05_IMG_3168_no filter 06_IMG_3170_polarizer
05_IMG_3168_no filter.jpg 06_IMG_3170_polarizer.jpg