By Jim Heid | Thursday, August 22, 2013
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Cell phone cameras are compact and convenient, and they deliver better image quality than ever.
But what phone cameras aren’t is versatile. For example, their tiny, fixed-focal-length lenses usually can’t focus very close. Several companies have come out with close-up attachments that let you shoot macro photos with a phone. But most have two disadvantages. They can be on the pricey side—$60 and up is a lot to pay for a tiny lens that you may not use all that often. And they tend to be designed for a specific model of phone. If you switch brands or upgrade—or if your family mixes and matches models and brands—you’re out of luck.
By Jim Heid | Thursday, August 15, 2013
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Sometimes the world seems so small. With some clever shooting and Adobe Photoshop techniques, you can make it seem even smaller. I’m referring to what’s often called the “tiny world” or “tiny planet” effect, and Ben Long explores it in this week’s two-part installment of The Practicing Photographer.
By Jim Heid | Thursday, August 08, 2013
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The zoom lens was patented in 1902, but it wasn’t until the 1970s that zoom lenses became increasingly popular on the 35 mm cameras of that era. The zooms of the ’70s were expensive and often lacked the sharpness and contrast of fixed focal length, or prime, lenses.
Today, thanks to advancements in optical design, zoom lenses are common and often inexpensive. Indeed, the “kit lens” that comes with a typical digital single-lens reflex (DSLR) camera includes a zoom. And the images from a high-quality zoom can stack up against photos taken with a prime lens any day.
By Jim Heid | Thursday, August 01, 2013
There’s a lot of drudgery in digital imaging. Sure, shooting is fun and so is editing and enhancing photos in programs like Lightroom, Aperture, and Photoshop. But then the time comes when you need to send a batch of photos to someone who needs them at a specific size and quality setting. Suddenly, you’re looking at reopening, resizing, and exporting dozens or even hundreds of images.
Doing all that on an image-by-image basis is only slightly less tedious than swinging a pick-axe at a rock pile.
It turns out that computers are pretty good at performing repetitive tasks, and that’s the subject of the latest installment of The Practicing Photographer. This week, Ben Long crawls into one of Photoshop’s nooks and crannies to explore its Image Processor feature.
By Jim Heid | Thursday, July 25, 2013
Digital SLRs are versatile and deliver great image quality, but are big and heavy. Point-and-shoot cameras are compact, but their image quality and versatility are often lacking.
Welcome to an episode of “Goldilocks Buys a Camera”—isn’t there an option that’s just right?
For a growing number of photographers, the answer is a mirrorless camera. This up-and-coming category sits between point-and-shoots and digital SLRs, and Ben Long talks about it in this week’s installment of The Practicing Photographer.
By Jim Heid | Friday, July 19, 2013
Reflections are something you often don’t want in photography. If you’re shooting through a window, for example, you might attach a polarizing filter to your lens to reduce the glare and reflections of the world behind you (see Chapter 2 in Foundations of Photography: Specialized Lenses).
At other times, though, reflections can add a striking element to a photo. And that’s the subject of this week’s installment of The Practicing Photographer, wherein Ben Long reflects on the value of reflections.
By Jim Heid | Thursday, June 27, 2013
Expanding your collection of lens filters is a relatively inexpensive way to expand your creative options. A polarizer reduces glare and adds pop to clouds and skies. A neutral density filter reduces light so you can use slower shutter speeds to add blur to waterfalls and waves. An infrared filter lets you explore the surreal world of invisible light. And a close-up attachment lets you get closer without having to buy an expensive macro lens.
In the ideal world, you’d be able to buy each type of attachment and use it with all of your lenses. But that world doesn’t exist, at least not in this universe. The problem is that lenses often have different-sized threads for screwing filters into place. Some lenses have larger diameters than others, and that means they also have larger filter-thread diameters.
For example, my walk-around zoom lens has 72mm filter threads. My macro lens has a thread size of 62mm. My 50mm prime uses 52mm filters. And my ultra-wide zoom lens uses 77mm filters. So if I want the flexibility to shoot with a neutral density filter on each of the lenses I use most, I need to buy four ND filters—at about $75 apiece.
But there’s an alternative, and it’s the subject of this week’s The Practicing Photographer. Ben Long shows how to choose and use step-up and step-down rings—simple adapters that screw on to a lens and let you attach a filter that wouldn’t otherwise fit.
By Jim Heid | Thursday, June 20, 2013
Practicing your photography skills also means practicing your post-processing skills. Almost every photo can benefit from some refinement later, whether it’s to optimize exposure, crop for better composition, or to retouch and remove unwanted subject matter. Back in the day, post-processing happened in darkrooms and at light tables. These days, it more commonly happens in Photoshop or programs like Lightroom and Aperture. Regardless of the tool, post-processing is an important part of the photographic process.
In this week’s installment of The Practicing Photographer, Ben Long dives into Photoshop to examine the process of combining, or compositing, two similar photos to obtain the best parts of each one. His subject is a street scene in San Francisco. Ben shot a photo of a bicyclist entering an intersection, but just as he pressed the shutter, a pedestrian intruded into the edge of the shot.
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