Laowa Argus 45mm f/0.95 FF is the sister lens of Argus and . It is an exceptional standard lens with a maximum aperture of f/0.95. The shallow depth of field, close to human eyes perspective and romantic rendering adds character to the image which makes the ordinary image extraordinary while inspiring people to enjoy photography in both sufficient and low light conditions. This fully metal lens has an outstanding optical performance and video-friendly component which is a professional lens for every photographer and videographer. 

for details, specs & description on manufacturers site.