Join Ben Long for an in-depth discussion in this video Working with ultra-wide lenses, part of Foundations of Photography: Specialty Lenses.
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On a camera with a full-frame sensor--that is a sensor that is the same size as a piece…of 35-mm film--we typically think of wide angle to be a lens with a focal length between 24 mm and 50 mm.…Curiously, 10 years ago I would have said 28 and 50 mm, but thanks to advances in engineering…and manufacturing, high quality 24-mm lenses can now be made very affordable.…Once you go shorter than 24 mm, you're into the realm of the ultra-wide, which is what…we're going to explore in this chapter.…
On a full-frame sensor, ultra-wide lenses typically range from 16-24 mm wide.…If you're using a cropped sensor camera then the ultra-wide focal length range is going…to be more like 10 to 15 mm wide. Now, 8 mm may sound like a very small range.…After all telephoto lenses range across hundreds of millimeters, but there is a surprising…amount of difference in field of view when you get to very short focal lengths.…For example, here is an image shot at 16 mm and here's the same scene zoomed out just 2 mm more.…
The course begins with a look at several common and inexpensive lens attachments, from polarizers to neutral density filters. The course then explores ultra-wide angle and fisheye lenses as well as ultra-long telephoto and macro lenses. The course concludes with a look at tilt-shift lenses, which are useful for architectural photography and special effects, and at offbeat lenses, such as Lensbaby and Holga attachments.
The course also contains Photoshop postproduction advice and examples that illustrate the creative possibilities that an expanded lens collection provides. And because some specialty lenses are extremely expensive, the course also contains advice on renting gear.