Auto Vivitar 21mm F3.8 Ultra Wide-Angle Cine Modded Lens For Canon EF Mount! Lens Mount – Canon EF. Focal Length – 21mm. Maximum Aperture – F3.8. Minimum Aperture – F16. Number Of Aperture Blades – 6. Minimum Focusing Distance – 0.3m. Filter Size – 72mm. Focus Type – Manual. Serial Number – 3701461. Lens is […]