Sigma TC-1401 1.4x TC is a teleconverter for use with compatible Canon EF Mount lenses and cameras and provides 1.4X magnification, which means when attached to a compatible lens, the apparent focal range of your lens will be increased 1.4X times. At the same time, this teleconverter reduces the aperture value of the attached lens by 1.0 stops.
Sigma TC-1401 1.4x TC for EF-Mount Main Features
- Canon EF Teleconverter
- 1.4x Magnification Factor
- Communication between Lens & Camera
- AF Operates at up to f/8
- One Special Low Dispersion Element
- Dust and Splashproof
- Compatible with Select Sigma Lenses
- Includes Soft Carrying Case
Optical Design
The optical construction of the Sigma TC-1401 1.4x TC consists of 7 Elements in 5 Groups.
Physical Specs
The Sigma TC-1401 1.4x TC weighs 190.0g / 6.70oz . It has a diameter of 68.5mm / 2.70 inch and a length of 25.00mm / 0.98 inch.
Lenses that are Compatible with Sigma TC-1401 1.4x TC for EF-Mount
Currently there are 8 lenses that are compatible with the Sigma TC-1401 1.4x TC for EF-Mount. Please be mindful that trying to use a teleconverter with an unsupported
lens may result in damage on the lens and the teleconverter itself.
Here is table of how the effective focal length and aperture of these lenses change when used with the Sigma TC-1401 1.4x TC.
Effective Focal Range and Aperture with Sigma TC-1401 1.4x TC
Other Teleconverters in Canon EF Mount
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