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: 12 cm Front Filter Thread: 77mm Near Circular 14-Blade Diaphragm
PurchaseLaowa 15mm F/4 Wide Angle Lens - Canon Ef Mount