EF Mount Lens/Full-Frame Format
Aperture Range: f/4 to f/32
1:1 Magnification Ratio; Internal Focus
One ED & Three High-Refractive Elements
Multi-Layer Low-Reflective Coating
Manual Focus and Aperture
Maximum Shift: +/- 6mm (APS-C)
Minimum Focus Distance: 4.7″
Front Filter Thread: 77mm
Near Circular 14-Blade Diaphragm