(G Master Lens Discussion starts at 4:10 in the above video, after the discussion about the exciting new a6300) G Master.  Now there is a name that instills confidence.  And rightly so from a look at the specs of the new lineup of Professional highest quality glass for the Sony E mount.  Apparently, Sony has […]

RONKONKOMA, NY — June 19, 2015 – Sigma Corporation of America, a leading DSLR lens and camera manufacturer, today announced the Sigma 24-35mm F2 DG HSM Art lens, the market’s first full-frame zoom lens offering a wide-open, constant aperture of F2 throughout the zoom range. Pricing and availability are pending. With the development of this latest Global Vision […]

Yesterday, just in time for tomorrow’s start of the CP+ Camera and Photo Imaging Show 2015  in Yokohama, Japan,  Sigma Corporation of America announced the new Sigma 24mm F1.4 DG HSM Art lens, the ninth Global Vision lens to join the company’s excellent Art lens line-up. The much anticipated 24mm F1.4 DG HSM Art wide angle lens is designed for full-frame DSLRs, and when used on […]

We have enough to worry about as professional photographers, dealing with deadbeat ad agencies, stressed-out brides, and clients who wonder why we don’t do three or four extra days work without charging.  Do we now have to worry about getting radiation poisoning from radioactive lenses?  I own one of these so called radioactive lenses, a Canon 55mm […]

From Photography Life: Longitudinal Chromatic Aberration Longitudinal Chromatic Aberration, also known as “LoCA” or “bokeh fringing”, occurs when different wavelengths of color do not converge at the same point after passing through a lens, as illustrated below: Lenses with Longitudinal Chromatic Aberration problems can show fringing around objects throughout the image, even in the center. […]

Most of us as photographers have heard the term “Specular Reflection.” Certainly all of us have seen examples of it. But just what does “specular reflection” mean in a technical sense, and how does it impact our photographs?  Reflections on still water, as in the above image of Tso Moriri Lake, Kashmir, India, from Wikipedia […]