Polar Bear Sunsets Ron Niebrugge September 20, 2019 Alaska, Photos, Travel Leave a Comment A polar bear sow and cub over look the Beaufort Sea. .Olympus E-M1X, 300 f/4 at f/4, ISO 640, shutter speed 1/400, aperture priority with +1/2/3 compensation. A couple of polar bear photos from a beautiful evening earlier this month. A polar bear family at sunset earlier this fall in Alaska. This was shooting straight into the setting sun with my new Olympus E-M1X plus 300 /f/4 at f/4, ISO 200, 1/125 of a second.