What Do All the Numbers and Letters in a Lens Name Mean?

Here’s a helpful guide for the beginner photographer to understand what all the numbers in a lens name mean.

SIGMA 16mm F1.4 DC DN | Contemporary: Hands-On First Look Review

The Sigma 16mm F1.4 DC DN | Contemporary is a great fast-aperture wide-angle lens for mirrorless cameras.

The SIGMA 135mm F1.8 DG | Art: A First-Look

The SIGMA 135mm F1.8 DG HSM | Art lens gets a first test by Portrait Expert Ryan Brown.

SIGMA 135mm F1.8 DG HSM | Art: First Impressions

For photographers craving Art lens sharpness in a fast tele that delivers creamy bokeh—the Sigma 135mm F1.8 DG HSM | Art lens is a recipe for success!

Top 3 Tips On How to Photograph Meteor Showers

Award-winning dark sky photographer Jack Fusco tells SIGMA his top three tips on how to photograph meteor showers.

To Zoom or Not to Zoom- Portraits with Primes

By Forest McMullin  As a photographer who specializes in environmental portraiture, lens selection is critical to the look of my work. Much of the time I choose to shoot with prime lenses. Let me explain why I made that decision…

20mm F1.4 DG HSM | Art: Hands-On Sneak Peek with Image Samples

The Sigma 20mm F1.4 DG HSM | Art is the world’s first full-frame 20mm F1.4 ultra-wide angle lens. It is also the first lens in the Art category to sport an integrated petal-type lens hood to protect its bulbous front…

Sigma Art Lenses for Razor Sharp Detail

Sigma Art lenses are renowned for razor-sharp detail on the focal plane, even at widest apertures.

LENS EXPLORATION: 85mm F1.4 DG HSM

What’s bright, gives wonderful, round bokeh and is perfect for portraits, sports, street and product photography? Give up?

It’s Sigma’s 85mm f/1.4 EX DG HSM lens. This beauty fits on both full frame and cropped sensor cameras.

The ideal portrait focal length is said to be twice to two and a half times the normal focal length. So before diving into the 85 let’s take a look at focal length and what it means in regards to sensor size. First, here’s a definition or two.

SIGMA 50mm F1.4 EX DG HSM vs SIGMA 50mm F1.4 DG HSM | A

Adding either of these Sigma 50mm F1.4s camera lenses to your kit is a great idea. Is the Sigma 50mm F1.4 DG HSM | A or 50mm F1.4 EC DG HSM right for you?