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Tag: lenses

Why Circular Polarizers Still Matter


Why circular polarizers still matter: A high quality circular polarizer is still one of the most important accessories for any photographer’s bag. And the new Sigma Weather-resistant Circular Polarizers offer incredible performance, weather-tough design, and a fantastically upgraded case with grip arcs that keep the filters from rattling around in the bag.



Share a selfie of #MySigmaLens!


Share a selfie of #MySigmaLens — A gear shot of you and your Sigma lenses and cameras using either the #MySigmaLens or #MySigmaCamera hashtag on Twitter, Instagram, or Google Plus and it can be featured right here in this blog feed. Get silly, or get seriously creative, but be sure to share a photo with those hashtags by January 31st, 2015!



Taking Creative Control: Understanding Aperture and F/Stops

These two apples were photographed with the Sigma 18-35mm F1.8 DC HSM | A lens zoomed to 35mm with an F2.8 aperture for shallow depth of field. Notice how just a sliver of the leaf and near apple is on the focal plane. The front apple is about a foot from the lens, with the farther apple nine inches behind. The back wall with the very soft shadow is ten feet from the camera.  1/40 F2.8 ISO 400, continuous lighting.

Of the three main variables relating to creative and artistic control on DSLR and compact interchangeable cameras–aperture, shutter speed and ISO– aperture control, is for many beginners, the most difficult to grasp. Have no fear, we’re here to help. Learning how and when to select a wide or narrow aperture unleashes the creative and expressive potential of your camera’s lenses.



Great Camera Gear Ideas for the Summer Season from Sigma!

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Great gear ideas for the summer, from the team at Sigma. Ideas for cameras and lenses for wherever you’re heading this sunny season!