CanonNews / Sunday, November 12, 2017 / Categories: Lens Catalog Canon EF 20mm f/2.8 USM Aperture Range: f/2.8-22 Aspherical and Super UD Elements Ultrasonic Autofocus Motor Floating Rear Focusing System Manual Focus Override Metal Filter Ring and Lens Hood Mount Truly Circular Diaphragm Minimum Focus Distance: 9.8" 72mm Filter Thread Diameter Canon EF 200mm f/2.0L IS USM Canon EF 200mm f/2.8L II USM Print 1488 Lens MountEFLens CategoryWideangle PrimesLaunch Date6/1/1992Launch Year1992WeathersealingFilter Thread77Rear FilterDiameter (mm)78Length (mm)71Weight (g)405Min. Focal Length20Maximum Aperature2.80Min. Aperture22.00Min Focus Distance0.25No of Element Groups9No of Elements11Diaphragm Blades6Launch Price$539.00Amazonamzn.to/2i9ZEWRCanon USAbit.ly/2idchQUCanon USA Refurbishedbit.ly/2id9dnRB&H PhotoVideobit.ly/2ADE3hAAdoramabit.ly/2ABfx0K Please enable JavaScript to view the comments powered by Disqus.blog comments powered by Disqus