Join Ben Long for an in-depth discussion in this video Correcting perspective, part of Foundations of Photography: Specialty Lenses.
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Earlier in this course you saw me shoot this building with a tilt-shift lens.…I used a tilt-shift to correct the perspective in the building because when I shot it with…my regular lens, I got this. I was standing at ground level so as I looked up, this wonderful…repeating colonnade of strong vertical lines became a repeating colonnade of diagonal lines,…which takes away a little bit of the imposing strength there.…With the tilt-shift lens I was able to correct that perspective, bring everything back to…square, and end up with a much nicer architectural shot.…
I was using the Canon 24mm tilt-shift, which is an incredible piece of glass; it really…is one of the sharpest lenses that Canon sells.…It's also real heavy; in fact, it's a drag to carry around.…It's heavy. It's bulky.…It doesn't have autofocus.…It's not something that you would use necessarily as an everyday walkaround lens, especially at 24mm.…And it's big enough and specialized enough that you're not going to say, well, I'll just…
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.