Tamron has announced that it's launching its first lens for Canon's RF mount, the 11-20mm F2.8 Di III-A RXD, next month. The ...

Sony’s new FE 28-70 f/2 GM lens is a standard zoom with a prime lens rivaling aperture – and almost the same size as a ...

Despite its wide aperture and zoom range, the 28-70 mm F2 G Master remains compact, lightweight and well-balanced, Sony said, ...

Despite its wide aperture and zoom range, the 28-70mm f/2 G Master remains compact, lightweight, and well-balanced, making it ideal for both photography ... XA (extreme aspherical) elements and three ...

The result is a high-resolution output with an impressive minimum focusing distance of 14.8 inches (0.38m) throughout the zoom range. Despite housing a total of 20 lens elements in 14 groups, the ...

The FE 70-200mm F/2.8 and 24-70mm F/2.8 are from the flagship G Master series of lenses and are part of what photographers call the “Holy Trinity” of full-frame zoom lenses. The third lens in Sony’s ...

Aspheric lenses have at least one surface that is not a true sphere. The aspheric profile used is frequently a conic surface of revolution about the lens axis, matched in design to the shape of the ...