Skip to the beginning of the images gallery

Sigma Tele Converter TC-1411 for 1.4 Times Magnification Factor, L-Mount Lens, Dust and Splashproof

SIGMA

Add to Wish List Share

In stock

SKU

SIG825969

$449.00

Need help deciding?

Call with one of our experts.

Earn 449 points in Bonus Bucks

Learn More

Key Features

1.4 Magnification: Extends focal length for greater reach with existing lenses.
Maintains AF & Metrics: Preserves autofocus, metering, stabilization, and EXIF data.
Weather-sealed Build: Dust and splash proof construction for outdoor use.
Compact & Lightweight: Adds minimal weight, ideal for travel and long shoots.
7 Elements, 4 Groups: Optical design engineered for minimal image degradation.
A1 MTF Tested: Individually checked to meet Sigma resolution standards.

Free local pickup

Free standard shipping

Need it now? Select Free Local Pickup at checkout and collect your order the same day during business hours. Head to 1168 Wantagh Ave, Wantagh, NY 11793 - you’ll get our online discounts, friendly guidance, and zero shipping delays.

Sigma Tele Converter TC-1411 for 1.4 Times Magnification Factor, L-Mount Lens, Dust and Splashproof Overview

Description

The Sigma TC-1411 teleconverter gives you 1.4× more focal reach while preserving autofocus, metering, and image stabilization with compatible L-Mount Sigma lenses. Weighing only 175 g and built with dust and splash proof sealing, it is a lightweight, weather-ready option for extending telephoto performance without the added bulk of larger prime lenses.

Designed with a 7-element, 4-group optical construction and A1 MTF inspection, the TC-1411 is engineered to maintain high resolution and deliver reliable performance for wildlife, sports, and travel photographers who need extra reach with minimal compromise. UPC: 085126825690, Manufacturer SKU: 825969.

Benefits

Affordable Reach: Get ultra-telephoto angles without buying new long primes.
Operational Continuity: Keep autofocus, metering, and stabilization intact with supported glass.
Field Ready: Weather-sealed build supports outdoor shooting conditions.
Portable: Low weight preserves portability for travel and long sessions.

Applications

Wildlife reach extension
Sports sideline shooting
Travel and outdoor telephoto capture

Why Choose

Best price to performance for a 1.4× L-Mount teleconverter, with A1-tested optics and weather sealing.

Specifications

Model Name / Number	TELE CONVERTER TC-1411
Lens Type	Teleconverter, 1.4
Intended Use	Photography
Color / Finish	Black
Weather Sealing (Yes/No)	Yes, dust and splash proof
Dimensions (Diameter Length)	f65.2 mm 33.1 mm
Weight	175 g
Mount Type	L-Mount (Leica / Panasonic L)
Compatible Sensor Size	Full-frame, compatible with supported mirrorless bodies
Supported Camera Brands / Systems	L-Mount systems, Leica, Panasonic, Sigma L-Mount
Coverage	Full-frame coverage when paired with compatible lenses
Adapter Compatibility	Not applicable, direct L-Mount
Magnification Factor	1.4
Optical Construction	7 elements in 4 groups
Light Loss / Aperture Reduction	Approx. 1 stop
Special Elements	Engineered elements to preserve image quality
Coatings	Multi-coating, per manufacturer specifications
Focus Type	Autofocus supported with compatible lenses
Full-Time Manual Override	Depends on attached lens and camera body
Minimum Focus Distance	Depends on attached lens
Construction	Precision mount, weather-sealed
Firmware Upgradable	Yes, via Sigma firmware support
Autofocus & Stabilization Passthrough	Maintains AF, metering, OS, EXIF data with supported lenses

Brand	Sigma
Manufacturer SKU	825969
UPC	085126825690

What’s included

1- Tele Converter TC-1411, L-Mount
1- Front and Rear Caps

Compatibility

Sigma 70200mm f/2.8 DG DN OS Sports	Sigma 100400mm f/56.3 DG DN OS Contemporary	Sigma 60600mm f/4.56.3 DG DN OS Sports	Sigma 105mm f/2.8 DG DN Macro Art	Sigma 150600mm f/56.3 DG DN OS Sports
Sigma 500mm f/5.6 DG DN OS Sports

FAQ

Does the Sigma TC-1411 affect autofocus?

When used with compatible Sigma L-Mount lenses and supported camera bodies, autofocus performance is maintained, including continuous AF for many lenses.

How much light do I lose with the TC-1411?

The teleconverter reduces light by approximately one stop, so adjust exposure settings accordingly.

Which mounts is the TC-1411 made for?

The TC-1411 is designed for L-Mount systems, compatible with Leica, Panasonic, and Sigma L-Mount cameras and lenses where supported.

Will image quality be noticeably worse?

The TC-1411 is engineered with a 7-element, 4-group optical design and is A1-tested to preserve resolution, though some minor optical degradation is expected compared with using the native lens alone.

Is the TC-1411 weather-sealed?

Yes, the teleconverter features dust and splash proof construction, and it retains weather sealing when used with similarly sealed lenses and camera bodies.

Can I use the TC-1411 for video work?

Yes, the teleconverter preserves electronic communication including stabilization and EXIF data, making it suitable for video applications on compatible setups.

Which Sigma lenses are confirmed compatible?

Compatibility includes Sigma L-Mount telephoto zooms and selected primes such as the 70200mm f/2.8, 100400mm, 60600mm, 105mm Macro, and 150600mm, see manufacturer compatibility chart for details.