Focal length is used to determine your lens's angle ... Lenses with fixed focal lengths are known as prime lenses and lenses with varying focal lengths are zoom lenses. Understanding the angle ...

Find out more about how we test and review products. Type: Prime lens Focal length: 15mm (30mm equivalent) Maximum aperture: f/1.7 Lens mount: Micro Four Thirds Weight: 4.06 oz / 115 g Dimensions ...

Sigma has launched two fast-aperture prime lenses for Canon mirrorless ... and are the first wide-aperture primes; the 16mm lens has an equivalent 24mm focal length, while the 23mm lens has ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ben Keough Ben Keough is an editor covering cameras, working from home ...

The company calls the lens a versatile but standard focal length prime that’s geared towards street photography, landscapes, weddings, travel and even portraits. Like others in the Contemporary ...