50mm lenses with wide apertures tend to be quite popular, as their neutral focal length and versatile light-gathering power make them useful for a wide variety of applications ranging from portraits to events coverage and much more. The Voigtlander Nokton 50mm f/1.0 Aspherical lens offers a particularly wide maximum aperture, making it an intriguing option, and this great video review takes a look at the sort of performance and image quality you can expect from it in usage.