Sigma 1.4X TC-1401

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Lens Specifications
Name Sigma TC-1401 1.4X Teleconverter
Image Circle 35mm
Type Teleconverter
Focal Length Multiplier 1.4X that of the master lens
Effective Reduction in Aperture 1 f-stop
Lens Construction 7 elements in 5 groups, including 1 SLD element
Closest Focus Same as that of master lens
Magnification Ratio 1.4X that of master lens
Dimensions(Length x Diameter) 25.0mm x 69.8mm / 1.0 in. x 2.7 in.
Weight 190g / 6.7 oz
Notes Dust and splash-proof; Available AF Mounts: Canon EF, Nikon F, Sigma SA
Typical Online Price US$350 (Avail. TBD)