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Suomi 
✔ For Select FUJIFILM Lenses
✔ Fujifilm X Mount Teleconverter
✔ 2x Magnification Factor
✔ Lens & Camera Communication Supported
Mirrorless lenses
✔ X-Mount Lens/APS-C Format
✔ 27mm (35mm Equivalent)
✔ Aperture Range: f/2 to f/16
✔ Two Aspherical Elements
Mirrorless lenses
✔ X-Mount Lens/APS-C Format
✔ 27mm (35mm Equivalent)
✔ Aperture Range: f/1.4 to f/16
✔ 3 Asperical, 1 ED Optical Glass Elements
Mirrorless lenses
✔ X-Mount Lens/APS-C Format
✔ 24mm (35mm Equivalent)
✔ Aperture Range: f/1.4 to f/16
✔ Two Aspherical Elements, Two ED Elements
Mirrorless lenses
✔ RF-Mount Lens/Full-Frame Format
✔ Aperture Range: f/4 to f/32
✔ Four Ultra-Low Dispersion Elements
✔ Air Sphere and Fluorine Coatings
Lens mount adapters
✔ Canon EF/EF-S Lens to EOS R Camera
✔ Maintains AF and Image Stabilization
✔ Dust- and Water-Resistant
Teleconverters
✔ RF-Mount Teleconverter
✔ 2x Magnification Factor
✔ Maintains Metering, Autofocus, and IS
✔ Dust and Water Resistant
Teleconverters
✔ RF-Mount Teleconverter
✔ 1.4x Magnification Factor
✔ Maintains Metering, Autofocus, and IS
✔ Dust and Water Resistant
Mirrorless lenses
✔ X-Mount Lens/APS-C Format
✔ 137mm (35mm Equivalent)
✔ Three Extra-Low Dispersion Elements
✔ Super EBC Coating
Mirrorless lenses
✔ X-Mount Lens/APS-C Format
✔ 76mm (35mm Equivalent)
✔ Aperture Range: f/1.0 to f/16
✔ One Aspherical Element