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Suomi 
SLR lenses
✔ Canon EF Mount Lens/Full-Frame Format
✔ Aperture Range: f/1.4 to f/22
✔ Blue Spectrum Refractive Optics Element
✔ Two Aspherical Elements, One UD Element
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/4 to f/22
✔ Two Aspherical and Two UD Elements
✔ Super Spectra Coating
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/2.8 to f/22
✔ One Super UD Element, Two UD Elements
✔ Three Aspherical Elements
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/4 to f/22
✔ Four Aspherical Elements
✔ Air Sphere and Fluorine Coatings
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Two Aspherical Elements, One UD Element
✔ Super Spectra Coating
✔ STM Stepping AF Motor
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/4 to f/22
✔ Two Ultra-Low Dispersion Elements
✔ Three Aspherical Elements
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/2.8 to f/22
✔ Three Aspherical and Two UD Elements
✔ SWC, Air Sphere, and Fluorine Coatings
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/2.8 to f/22
✔ Two UD Elements, Two Aspherical Elements
✔ Super Spectra Coating
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/2 to f/32
✔ Two Ultra-Low Dispersion Elements
✔ Super Spectra Coating
SLR lenses
✔ EF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/2.8 to f/32
✔ One Ultra-Low Dispersion Element
✔ Super Spectra Coating