Photography

Full-frame Ultra-Wide Zoom Lens Face-off: Sigma 12-24mm f/4.5-5.6 versus the Nikon 14-24mm f/2.8G Lens

I really enjoyed shooting with the Nikon 14-24mm AF-S f/2.8G ED lens which was released as part of Nikon’s foray into full-frame cameras along with the D3. It takes incredible images and was a pleasure to use. But for most of us it has several drawbacks which make it a difficult acquisition. First is price. At $1800 for the US version it is a large investment for a lens that typically gets used a lot less than a mid-range zoom. Second, it is large and heavy. If you lug your gear with you the 2.2 lb. weight and 4”x5” size create quite an impact on your photo pack. Finally the “domed” front makes it difficult and expensive to use filters with it (an expensive add-on adapter is needed).

Pl_MidwayBasinYNP_0067

Grand Prismatic, Midway Geyser Basin, Yellowstone National Park
Nikon D700, Sigma 12-24mm Lens at 12mm, f/22@1/250s, ISO 800
Going ultra-wide is the only way to get the full scene, as the moving steam rules out a pano

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Beyond the Spotting Scope: Digital Cameras for Bird Photographers

Beyond the Spotting Scope: Digital Cameras for Bird Photographers: http://ping.fm/gByFV More and more birders are becoming interested in photography. To go beyond the limitations of digiscoping (limited low light capability, tricky auto-focus, limited panning or ability to capture action, etc.) requires a fairly serious investment in a camera body and lenses. In this section of our exclusive GearGuide we'll cover tips for what to look for in a camera body or you can just skip to notes on specific models.

Tack Sharp: A Tale of Three Images

 On every photo safari the second most common question (just after "what ISO are you using?") is "do you think this image is sharp?" To paraphrase an old saw, "If you have to ask, ..." But seriously, evaluating sharpness is a big part of assessing the quality of your images, so we'll take a closer look at it in this post...

s1 -- Lion Cub on Termite Mound -- Sharp

DPS 7-07: The Future of Imaging--Camera 2.0, Beyond HDR & more--Event Update & Product News

  Welcome to DPS 7-07. We hope you had a great summer. We sure did, highlighted by our July trips to Alaska for Brown Bear photography. Next year's trips are already mostly full so if you'd like to join us please sign up soon. Closer to home we've also announced our two Texas bird photo safaris for April and we still have one opening on our African "trip of a lifetime" photo safari in November. In the meantime I had a great time speaking at a symposium on High Dynamic Range (HDR) imaging at Stanford which has given me lots of new energy to re-capture many local scenes using new techniques.

The Death of Kodachrome: Does it still matter?

Kodak announced this week they have stopped making Kodachrome--probably the most well-known film of all time. This has caused no end of commentary but the truth is that of course it ceased to matter to most of us a long time ago. Read more »

Kodachrome 64 Film
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