by, posted Oct 26, 2011 at 7:58PM
Want more head-to-head reviews? If you're looking for comparitive analysis to help you shop for anything beyond photography, check out our complete product comparison resource. We contrast like-objects to help you determine the central differences between products, services, retailers, and pop-culture icons.
Tags: Comparison review, comparisons, product comparisons, product reviews, professional comparisons, head-2-head.com
by, posted Mar 4, 2010 at 8:04PM
Working with lenses, and evaluating lens quality and performance can be, on the one hand, one of the easier things in photography to quantify. Optics is a well-understood science, there have been few breakthrough developments in lens construction since as far back as the 1950s. It’s been said that there have really been no discoveries in optical science since the ‘20s, in fact- although the introduction of metallic multi-coatings and glass formulae have certainly come a long way since the ‘60s. Getting performance numbers for lenses is almost as straightforward as hooking up a race-car to a dynamometer. The results are pretty much irrefutable.
However, in spite of that lenses elicit some of the more emotional reactions of any part of our gear. How many times have you heard a photographer talk about their favorite lens, the lens they just “love”? For me, it’s my Nikkor 105 f2.8, from around 1970, and you know, I can’t really even tell you why. I simply love the look of the lens, what it does to the subject, the sharpness, the color, even the way it throws objects in the background out of focus. Try testing for that.
Tags: lens testing, lenses
by, posted Dec 7, 2009 at 2:44PM
This has got to be the ultimate Head-2-Head. We got together the Canon 5D Mk II, Canon 7D, Canon 50D, Hasselblad 31, Hasselblad 39, Nikon D3s, Nikon D300s, Nikon D700 and pulled together a willing (and patient) model and shot with every one of the cameras for three basic sets- a head-and-shoulders shot, a full-body shot (both with strobe) and a tungsten-lit portrait.
It was a blast- but not without some hurdles. You know, think of the last shoot you did with a model, and then asking her to just "do that thing you just did again", only 6 more times!
It also was really interesting from a camera evaluation, hands-on shooting perspective. Even with an assitant prepping the cameras, and some pretty good experience handling all of these products, there were some cameras I didn't like based on simple feel and controls alone. We're working on a few comparison reviews including the big-chip Hasseys compared to the smaller DSLRs, a comparison between brands, and even a shootout within a brand's product line. Stay tuned, but for the time being, take a look at some of the shots we did.
Tags: Canon 5D Mk II, Canon 7D, Hasselblad 31, Canon 50D, Hasselblad 39, Nikon D3s, Nikon D300s, Nikon D700
by, posted Aug 13, 2009 at 1:26PM
What is noise? Where does it come from? How does it affect the image? These are all good questions that are often answered by, "Well, it's like film grain...". Although a good starting point, this really isn't correct, and even a little misleading.
Tags: ISO, noise, resolution
by, posted Jul 7, 2009 at 11:36PM
Here's a video tutorial illustrating how to setup and utilize the Lens Align focus calibration system. Be sure to check out this tool if you have a microfocus adjustment on your DSLR!
Tags: lenses, Microfocus, calibration, testing
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