Focus and Aperture Movements with Older Lenses   Mirrorless cameras have become popular partially due to their relatively short distance from the lens mount to the imaging plane. This shortened…

New Sony Alpha 1     As released by Sony     New 50.1-megapixel (approx., effective) full-frame stacked Exmor RS™ CMOS image sensor in combination with an upgraded BIONZ XR™…

  As Announced by Sony Please Read – Disclosure Statement   Sony Introduces Alpha 7C Camera, World’s Smallest and Lightest Full-frame Camera System   SAN DIEGO, CA – September 14, 2020…

disclosure-statement AP to Equip Global Journalists with Sony Imaging Products As announced by Sony     July 23, 2020 – Sony Electronics Inc. a global leader in imaging, and The…

SAN DIEGO – February 25, 2020 – Adding to its extensive range of native mirrorless full-frame lenses, Sony Electronics today announced the launch of the new G Lens™ series FE 20mm F1.8 G (model…

Press release as announced by SONY: New SDK Enables Remote Control of Sony Cameras for a Variety of Professional and Commercial Applications   SAN DIEGO – Feb 11, 2020 – Sony…

As Announced by Sony NEW YORK — July 16, 2019 — Sony’s highest resolution full-frame camera ever, the new Alpha 7R IV delivers stunning image quality with high resolution and wide dynamic range while maintaining outstanding…

  Sony Electronics Boosts Full-frame Lens Line-up with Introduction of FE 35mm F1.8 Lightweight Prime disclosure-statement Sony Electronics Boosts Full-frame Lens Line-up with  Introduction of FE 35mm F1.8 Lightweight Prime…

“While some seem to think the only way to get a great image is to spend enormous amounts of ……… lenses can be empowered with a magic of their own. That they have inherent qualities that make them perfect……Tamron on my Sony A7

What is a prime focus lens? In general, a lens having a fixed …can be referred to as a Prime Lens. Book – Focus In Photography – John Neel