OM System has announced the breakthrough M.Zuiko Digital ED 50-200mm f/2.8 IS PRO—a fully weather sealed, all-purpose super ...

Lenses with a focal length shorter than 50mm are generally regarded as wide-angle optics because they have a wider angle of view than our eyes.

Manufacturers measure the focal length focused to infinity to keep a standard. Focal length is measured in millimeters. A 50mm lens will have a point of convergence of 50mm (or 5cm) from the sensor.

Sigma presents three new lenses for full-frame format: a superzoom and two fast Art lenses for E- and L-mount.

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...

The lens maker has unveiled three compelling Art and Contemporary options for stills photographers, plus its first autofocus ...

The OM System 50-200mm is the world's first 100-400mm equivalent zoom lens with f/2.8 aperture. Together with a current OM ...

The new 20-200me from Sigma is the world’s first 10x zoom lens to begin with an ultra-wide 20mm focal length designed for ...

Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi ...

Canon has introduced the RF85mm F1.4L VCM, the first medium telephoto lens in its professional f/1.4 VCM series, in India.

Art is the world’s first autofocus 135mm F1.4 prime lens designed for full-frame mirrorless. Available in late September at ...