Sigma 1.4X Teleconverter TC-1401
The Sigma TC-1401 is a lens accessory from Sigma — known for its 1.4x Focal Length Extension and Autofocus Retained. Check GearFocus for current availability, with buyer protection on every purchase.
Sigma 1.4X Teleconverter TC-1401
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Overview — Sigma TC-1401
Key Features — Sigma TC-1401
1.4x Focal Length Extension: Multiplies the focal length of compatible Sigma telephoto lenses by 1.4x, giving photographers additional reach without purchasing a longer lens.
Autofocus Retained: Maintains full autofocus operation with compatible Sigma lenses, allowing continuous AF tracking for moving subjects.
Three Mount Options: Available in Sigma SA, Canon EF, and Nikon F mounts to suit a wide range of DSLR users across major systems.
Full-Frame Coverage: Designed for full-frame format lenses, ensuring no additional vignetting or coverage issues on full-frame DSLR bodies.
Lightweight Build: Weighs just 190g, adding minimal bulk to a telephoto kit for travel and field use.
One-Stop Light Loss: Reduces maximum aperture by one stop, a standard trade-off for 1.4x teleconverters that shooters should account for in exposure settings.
Specifications — Sigma TC-1401
| Spec | Detail |
|---|---|
| Lens Format | Full Frame |
| Camera System | DSLR |
| Zoom Prime | Prime |
| Auto Focus | Yes |
| Focus Type | Auto, Manual |
| Focal Length Range | Telephoto |
| Image Stabilization | None |
| Weight value | 190 |
| Weight unit | g |
| Mount lens | Sigma SA, Canon EF, Nikon F |
| Compatible Mount | Sigma SA, Canon EF, Nikon F |
Description — Sigma TC-1401
The Sigma 1.4X Teleconverter TC-1401 is a DSLR-focused lens accessory designed to extend the reach of compatible Sigma telephoto lenses. It is available in Sigma SA, Canon EF, and Nikon F mount variants, covering a wide range of DSLR shooters across the three main systems. The TC-1401 is built for the full-frame lens format and supports both autofocus and manual focus, giving photographers flexibility depending on the shooting situation.
Focused on the telephoto focal length range, this converter is purpose-built for reach-oriented photography. At just 190g, it adds minimal weight to a telephoto kit, keeping the overall rig manageable in the field. The TC-1401 has no image stabilization of its own and no filter thread, which are worth factoring into your workflow when planning its use alongside your existing lens and accessories.
Pros — Sigma TC-1401
- ✓Broad mount compatibility covering Sigma SA, Canon EF, and Nikon F systems
- ✓Supports both autofocus and manual focus operation for flexible shooting
- ✓Full-frame format compatibility ensures no additional crop concerns on full-frame DSLRs
Cons — Sigma TC-1401
- ✗No filter thread, limiting in-line filter use with the converter attached
- ✗Compatible only with DSLR camera systems — no mirrorless mount options available
- ✗No image stabilization of its own, relying entirely on the attached lens
Reviews — Sigma TC-1401
Videos — Sigma TC-1401
Sigma 1.4 Teleconverter Review — Vincent Martinez Photography