A zoom lens is a type of camera lens that offers the photographer a useful range of different focal lengths in a single lens.
Introducing Sigma Vision magazine!
Welcome to the premiere issue of Sigma Vision, the new biannual magazine from Sigma Corporation of America, featuring inspiring imagery and great technical advice!
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.
First Look: Sigma 50mm F1.4 DG HSM | A
The Sigma 50mm F1.4 DG HSM | A lens is simply amazing. This standard field of view, fast-aperture, full-frame, prime lens combines outstanding sharpness, fast autofocus, in a lens that is built with a singular vision on performance.
Chasing Fall Color with the Sigma 18-35mm F1.8 DC HSM | Art Lens
Exploring the world through the Sigma 18-35mm F1.8 DC HSM | Art lens on the hunt for varying colors and textures, and levels sharpness and blur can create images that are at once new, and yet instantly recognizable. Close-up focusing on a pumpkin, for example, gives a shallow slice of sharpness, and lovely focus fall-off in a composition that’s pure seasonal color. And a single turning leaf backlit by the sun tells the story of autumn in a very different way than a sweeping vista of an entire hillside.
Sigma’s Holiday Season Gift Guide
Gift ideas for photographers from Sigma. Tips for buying lenses and cameras for new parents, teenagers, snowboarders, wildlife photographers, grandparents, and everything in between from budget-minded ideas to extravagant gifts for milestone occasions.
Treat Yourself to Cool Halloween Shots With These Tricks and Tips
Halloween can be an amazing time to make all sorts of cool photos. Between the Jack O’Lanterns, people of all ages in silly or scary costumes, and haunted houses, there’s something great to shoot pretty much everywhere you turn.It’s also a great time of year to throw so many of the hard and fast guidelines of photography aside and have some fun by breaking some rules, and employing some cool photo tricks to make Halloween photos that’ll turn some heads. In this blog posting, we’re going to have some fun and give you some ideas on how to capture the spirit of the season.
Sigma DP2 Merrill: First Impressions by Jack Howard
The Sigma DP2 Merrill creates amazing photographs with exceptional detail and beautifully smooth color gradations and nuances of tone. The overall image quality of this camera is simply amazing.
Chasing Birds with the Sigma 120-400mm F4.5-5.6
This past month, I was lucky enough to visit two amazing birding hotspots with the Sigma 120-400mm F4.5-5.6. Now, after shooting with this compact, long-reach tele zoom, I’ve got to say that is has quickly become one of my favorite lenses in the Sigma lineup for its fantastic combination of reach, range and amazing sharpness in a very compact package–under four pounds and just eight inches long.
The Sigma 30mm F2.8 EX DN is an Instant Classic
Now that I’ve spent a few weeks with the Sigma 30mm F2.8 EX DN paired with my trusty Olympus E-PL2, I can report that this has quickly become one of my favorite lenses for my Micro Four Thirds cameras for making both stills and videos.