Lenses and Optics
In 2008, I wrote an article This Lens is Soft, and Other Myths that pointed out that lenses and cameras all have tolerance ranges and sometimes a given lens can be sharp on one camera body, and soft on another. At the time, autofocus micro-adjustment was a fairly new feature on camera bodies and my […]
Technical Discussions
What Is This? It is our practice to publish our lens repair data every 6 months (data published in May of 2009 is shown in Lens Repair Data 3.0). We started it at the request of some customers who felt that the large number of lenses we deal with and the harsh conditions they are […]
Lenses and Optics
by Stephen Michael Garey What is a Fast Lens? A fast lens is any lens of any type and focal length that has an aperture design capable of opening to f/2.8 or wider. There are fast lenses currently available that open as wide as f/1.2, and there are any number of popular lenses that open […]
Roger's Corner
Over the last month I’ve spent a lot of time with the new Micro 4/3s cameras: I took a Panasonic G-1 on vacation a few weeks ago, spent a week shooting the Olympus E-P1 with various lenses and adapters, and then this last weekend took the new Panasonic GH-1 out with the 14-140mm kit lens. […]
Recommendations
My last blog was about choosing tripod legs, now we’ll move on to choosing a ballhead to complete the package. One thing to get out of the way first: I’m not going to consider pan-tilt heads (the ones with handles that stick out that you twist and rotate, often seen offered in eBay ‘package deals’—Comes […]
