The Sigma AF 105mm f/2.8 EX macro DG is a recent update to the well-known Sigma AF 105mm f/2.8 EX macro. It’s not a totally new lens (the new DG (Digital) designation refers to an improved coating optimized for digital sensors), but that’s not necessarily a bad sign because its predecessor had a good reputation. [...]
Post Tagged with: "Photography"
How to correct Lens Distortion in Photoshop
Lens distortion can be a combination of different factors, and nearly every lens has it. Cheap lenses can have some amount of Chromatic Abberation, which is a purple haze that appears around very bright edges of a highlight. Zoom lenses are also prone to barell distortion, which is the buble or pincushion effect you see [...]
What To Do When Your Digital Camera Has Hot Pixels
So, you just bought that thousand-dollar digital camera with full manual control to unlock the artist within. You play with the new features, and take some long exposure night shots and are horrified to see a bright spot in the same locaiton on every picture. No, you haven’t discovered a new star… it’s the infamous [...]
Professional vs Amateur Digital Cameras
In today’s market there are digital cameras of every size and shape that do just about everything imaginable. In skilled hands, nearly all of them can take beautiful photographs. However, some of them are considered professional and some of them are for the hobbyist. There are a few distinctions between amateur and professional cameras. The [...]
Tamron AF18-200mm F3.5-6.3 DiII Lens Review
As a enthusiastic amateur photographer I wanted something else than my normal compact camera. I wanted some dimension. I’ve always had an eye on SLR cameras, particularly the Canon Rebel XT (EOS). After experimenting with that camera and knowing its features I noticed one thing that missing with the provided kit lens: the ability to [...]
Inexpensive Studio Lighting
Starting out in photography can be an expensive proposition. The cost of a camera, lenses, backgrounds and props can add up to thousands, even tens of thousands, of dollars. There are ways to minimize these costs while achieving the goal of high quality images. This article will focus on inexpensive lighting for portrait photographers. As [...]
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