Tamron TC-X14 1.4X Teleconverter - Canon Fit
Product Code: 1620894

Tamron TC-X14 1.4X Teleconverter - Canon Fit

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The Tamron TC-X14 1.4x Teleconverter with Canon EF fit mounts between the camera and lens to increase the focal length by a factor of 1.4x. Designed exclusively for select Tamron lenses, when used with the SP 150-600mm f5-6.3 G2 lens the teleconverter will give the apparent focal length of 210-840mm. Lightweight and easily portable, the dust- and moisture-resistant TC-X14 is the perfect tool for getting closer to your subjects.

Key Features: Tamron TC-X14 1.4X Teleconverter - Canon Fit

  • For Canon EF-mount DSLRs (both APS-C and full-frame)
  • Provides extra reach by magnifying the image by 1.4x
  • Turns the SP150-600mm lens into a 210-840mm (full-frame) or 326-1302mm (APS-C)
  • Lightweight and compact with moisture- and dust-resistant construction
  • Autofocus and VC features are retained with compatible lenses
  • Brings you closer to your subject - great for wildlife and sport
  • Sturdy, durable barrel design


  • Model: TC-X14
  • Magnification*: 1.4x
  • Optical Construction: 6 elements in 3 groups
  • Maximum Diameter: for Canon f70mm
  • Length**: for Canon
  • Entire Length***: for Canon 34.1mm (1.3 in)
  • Weight for Canon: 205g (7.2 oz)
  • Accessories: Mount cap, Rear cap, Lens case
  • Compatible Mounts: Canon, Nikon

Increases maximum focal length

Although the maximum focal length is increased, the minimum object distance remains nearly the same, so the magnification ratio during close focusing is enhanced. Both tele converters are carefully designed and constructed to preserve the original superior image quality of the lens. The 2.0x model uses one LD (Low Dispersion) lens element to suppress aberrations. BBAR (Broad-Band Anti-Reflection) coatings are deployed on both models to help minimize ghosting and flare.

Autofocus and VC features are retained with compatible lenses

Autofocus functions normally with compatible lenses. (Please refer to Compatible Tamron Lens List below.) VC (Vibration Compensation) performance is maintained.

Moisture-Proof and Dust-Resistant Construction

The new tele converters are ideal for use in outdoor photography when matched with any lens that has a Moisture-Resistant Construction because special seals that are dust-resistant and moisture-proof are used at every joint and seam.

Sturdy, durable barrel design

The barrel frame of the tele converters are made of die cast aluminum, except for some parts of the exterior finish, to maintain extra strength when used with large lenses. The design utilizes a bayonet mount made of brass on the camera side and stainless steel on the lens side to ensure excellent durability even with repeated mountings and detachments.

*Use of the TC-X14 tele converter reduces the effective aperture by one f/stop.
**Length is the distance measured from the camera mount face to the lens mount face.
***Entire Length is the distance between the tip of the lens and the tip of protrusion.

If you would like to find out more information on compatibility you can view Tamron's Compatible Lens Chart here.

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Product Code: 1620894-wex Manufacturers Part Number: 5740