Key Features
EF-Mount Teleconverter/Full-Frame Format
1.4x Magnification Factor
BBAR Coating
Communication Between Lens and Camera
Extending the effective focal length of select Tamron lenses, this Canon EF-mount Teleconverter 1.4x enables you to get even more reach out of your telephoto lenses.

Tamron TCX14C700 Overview
Extending the effective focal length of select Tamron lenses, this Canon EF-mount Teleconverter 1.4x enables you to get even more reach out of your telephoto lenses. The dedicated design retains full communication between the lens and Canon EF-mount cameras, including auto-exposure metering, autofocus at select focal lengths, and Vibration Compensation image stabilization, and a BBAR coating has also been applied to suppress flare and ghosting for maintained image quality. Additionally, this teleconverter also features a dust- and moisture-resistant construction, matching the lens, to benefit working in harsh environmental conditions.

Lens Compatibility
SP 150-600mm f/5-6.3 Di VC USD G2
SP 70-200mm f/2.8 Di VC USD G2
100-400mm f/4.5-6.3 Di VC USD
1.4x teleconverter extends the reach of lenses by 40% with only a one-stop loss in exposure
BBAR coating maintains image quality by reducing flare, reflections, and ghosting
Dedicated design retains full electronic communication between the lens and camera to support AE and VC functions, as well as autofocus at select focal lengths depending on specific camera's autofocus sensitivity
Weather-resistant design for use in inclement conditions