Canon EF 50mm f/1.8 STM Lens, Black vs Sigma 18-35mm F1.8 Art DC HSM Lens for Canon, Black (210101)

Canon

• 50 millimeter focal length and maximum aperture of f/1.8
• Great for portraits, action, and nighttime photography; Angle of view (horizontal, vertical, diagonal): 40º, 27º,46º
• Minimum focusing distance of 1.15 feet (0.35 meter) and a maximum magnification of 0.21x
• Stepping motor (STM) delivers near silent, continuous move Servo AF for movies and smooth AF for stills
• 80 millimetre effective focal length on APS C cameras, 50 millimetre on full frame cameras. Lens construction: 6 elements in 5 groups

50 millimeter focal length and maximum aperture of f/1.8 Great for portraits, action, and nighttime photography; Angle of view (horizontal, vertical, diagonal): 40º, 27º,46º

Sigma

• F1.8 maximum aperture
• F16 minimum
• Ring-type ultrasonic-type AF motor with full-time manual focusing, 72mm filter size
• Minimum focusing distance 28 cm/ 11.0 in. USB Dock compatible, MC-11 compatible.
• Available in Canon EF (EF-S), Sony Alpha (dot), Nikon f (DX) mounts
• 0.23 optical Zoom

F1.8 maximum aperture F16 minimum