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About Vivitar 1.4x

Note: not compatible with EF-S lenses

The Vivitar 1.4x Auto Focus Tele Converter for Canon is an easy way to noticeably extend the reach (focal length) of compatible lenses. The 1.4x Tele Converter can be mounted between select lenses and the camera body to increase the focal length by the power of 1.4x. The new multi layer coating reduces flare and ghost, which is a common problem with digital cameras.

They also offer maximum photography magnification by 1.4 x, without any variation in the minimum focusing distance. Compact and lightweight, these teleconverters convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork.

Vivitar 1.4x Features

  • High Definition
  • Multicoated Optical Glass
  • Increases Focal Length by 1.4x
  • Suppresses Aberration
  • Anti-Reflection Coating

Vivitar 1.4x Specifications

Lens Elements/Groups
4 elements in 4 groups
Maximum Aperture
F/4.5 or faster
Canon Cameras
3 x 3.25 x 2.75" (7.62 x 8.25 x 6.98 cm)
6.39 oz (181.15 g)

Vivitar 1.4x Reviews

Reviewed by 2 customers


Auto focus only works with some lenses


from Seattle  -  Semi-pro Photographer

A little disappointed because it doesn't work with my main lenses: DA* 16-50 and Sigma 70-200 2.8 (HSM lenses just keep hunting and flashing) Somebody said don't use tele converter with wide angle lenses, but the auto focus works fine with the DA 18-250mm and FA 24-90mm and don't know why It doesn't work with my FA-100 2.8 (?!)

(6 of 6 customers found this review helpful)


It Works on Auto Focus; K-5, and K10d


from Brandon, MS  -  Photo Enthusiast

Finally. It took a very old friend "Vivitar" two tries, but this on really works. I do not write reviews but thought this one needed writing. Less than $100.00, great value. Tight fit even on my very used K10d. Two Tamron and one Pentax lens. A little slow finding infinity and focusing first start, Fine after that.


Questions & Answers Powered by TurnTo®

Questions about this item:

Bonnie F  Do you still hve auto focus with a lens of 5.6?
Andrew R  Unfortunately the manufacturer does not indicate a cutoff for autofocus functionality however f/5.6 is normally too slow for most 3rd party teleconverters to maintain autofocus functionality.
George C  I want to couple this tele coverter with a Sigma 18-250 on a Canon 40 D. Do you think it will work with a minumin of problems ?
JOHN B  Don't buy it, I purchased one and they never sent me the item. Iam still waiting for it.
George C  I thought Adorama would answer my question. What gives ?
David A  Just received my tele converter and after reading the enclosed instruction slip realize that it does not work with EF-S lenses. Re-reading the site literature doesn't show me a warning about this. Did I miss something?
DEAN R  Even on other sites you will rarely see the notation that it does not work on EF-S lens. I don't think you missed seeing anything. It probably should be stated somewhere in the ad along with some of the other lens that it will not work with.
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