What is a Zoom Lens? Why and When to Choose a Zoom Lens?

A zoom lens is a type of camera lens that offers the photographer a useful range of different focal lengths in a single lens.

Panning Outdoor Action: Showing Motion in Sports Photography

Panning is a photographic technique to bring a sense of motion to a scene by following a moving subject through the frame. Learn from Sigma Pro Liam Doran

The Sigma 18-300mm F3.5-6.3 | C lens is Always Ready For Anything!

The Sigma 18-300mm F3.5-6.3 DC OS HSM Macro | Contemporary lens is best described as versatile . At just four inches long in the camera bag, and weighing just over a pound, this small lens covers wide angle to supertele, plus macro.

Sigma 150-600mm F5-6.3 | Sports: Hands-On

The Sigma 150-600mm F5-6.3 DG OS HSM | Sports has been generating a ton of buzz since its announcement at photokina in September 2014. This Sports update of the 150-500mm supertelephoto zoom lens is one of two 150-600mm zoom lenses announced at the show, along with the 150-600mm DG OS HSM | Contemporary.

Sigma 18-300mm F3.5-6.3 | Contemporary: Hands-On

The Sigma 18-300mm F3.5-6.3 DC OS HSM Macro | Contemporary is the newest all-in-one camera lens in the Sigma lineup, and offers a high 16.6x zoom ratio, 1:3 macro magnification, Optical Stabilizer, in a lens that covers wide angle to supertelephoto in a single, lightweight lens.

Taking Creative Control: Understanding Aperture and F/Stops

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.

Video Quicktips for Photographers

Our new video quicktips for photographers series offers advice for anyone who is looking to understand more about the techniques and technology that can help them make better pictures. Each episode is just a few minutes long and looks to explain and offer advice in an easy-to-grasp way. Check back all month long as we add new episodes to this series.

Tips for Supertelephoto Zoom Lens Photography

Supertelephoto lenses can help bring a whole new level to your photography; and it just takes a little practice to get the hang of some of the particulars of working with long-reach lenses. Here are some top tips for making the most of supertelephoto zoom lenses.

The Sigma 180mm F2.8 EX DG OS HSM Macro Lens for Close-up Work

The Sigma 180mm F2.8 EX DG OS HSM Macro lens is the biggest, longest macro lens in the Sigma lens catalog. This telephoto lens offers true life-sized reproduction with a 1:1 maximum magnification ratio. Incredible sharpness—thanks to its state of the art optical design—Optical Stabilizer, and a three-zone focus limiter make this a serious lens for advanced macro photographers.

New Gear Checklist: Making the Most of Brand New Lenses, Cameras and Other Photo Gadgetry

Whether unwrapped as a surprise under the Christmas tree, or purchased with gift cards to take advantage of the great seasonal pricing on all sorts of photo-related gear and gadgetry this time of year, it’s a known fact that many photographers will be finding themselves the proud owners of new lenses, cameras, bags and accessories right around now. And whatever piece of new gear it is, it’s always important to check it out and run it through its paces before heading out to make a once-in-a-lifetime photo, to make sure you, the proud new owner, are both familiar with the gear, and ensure everything is working as it should.