Tamron SP AF 1.4x PRO Teleconverter for Canon EF Mount

2018-11-14T14:41:57

I used it on a trip with the 90mm Tamron. The converter boosted my reach to 126mm. I was very happy with the boost and the image quality.

AL G.

2018-07-26T10:06:47

It does not work on a Tamron 100-400 di VC USA lens and a Canon 7d Mark II. Neither Canon nor Tamron have any idea why. The minute you turn the camera on, a firmware update message appears, when you press OK, it says lens firmware is needed. Problem is, there is no firmware update for the lens, and the Canon is 1.1.2. May wind up with a third party converter from Amazon...

JSMES W.

2017-03-23T11:59:45

I've got Canon 1.4 and 2.0 but neither of them would work with the Tamron 150-600 so I purchased the 1.4 extender from Tamron. It works. I've got it on the 150-600 and haven't taken it off. Auto focus on my Canon 1D MK III works well with it.

Michael A.

2017-03-14T17:59:50

The Tamron 1.4x PRO Teleconverter is a handy way to get a little more reach out of your L series (EF) lenses with little to no degradation in image quality. I personally haven't noticed any loss of quality but I also haven't run any in depth tests. It WILL NOT attach to the EFS series lenses though. I've used it on both my 7D-II and 5D-IV

LARRY W.

2016-12-13T15:27:14

Added to my 400mm canon lens on my 7D Mark II. Really gives me a good reach to where I couldn't before without compromising quality. Good buy for the price to compliment what you might already have in your bag.

Cynthia B.

2014-05-18T21:00:00

Makes a fast 50 mm into a great portrait lens. I use it mostly for wildlife and landscape, but have also used it to make a long tele into a VERY long tele for sports. Used carefully, it makes a remarkably sharp pairing with a quality lens. The photos have excellent central sharpness, and only a little falloff at the edges, but this is rather nice for closeups. It centers the eye on the subject. For use on Canon cameras, be sure to mount it to the lens first, then attach both to the camera. If attached to the camera first, the exposure results can be variable.

STEPHEN S.

2013-10-18T21:00:00

This is a very nice teleconverter, which is light, handy, and easy to use. It provides excellent results when used within its capabilities. Like all 1.4X teleconverters, it diminishes light transmission by 1 stop, but with today's digital cameras, that is no real problem. If the effective f-stop drops below 5.6, you may lose autofocus, but not autoexposure. Note! With Canon lenses, it is almost always necessary to add items to the lens stack before connecting the stack to the camera. If you attach the converter, then the lens to the camera, they may not work properly together. Though not quite the quality of the very expensive Canon dedicated converters, this does a great job for most purposes, and I think it will be a good value for use with the 100-400 Canon L Zoom.

flafrog

2013-07-08T21:00:00

The autofocus works perfectly with my Canon 600 , and 70-200 2.8 lenses. I also use it with a Sigma 500. I had 2 sets (and 2x) for Sigma and Canon, NONE of them worked for autofocus. These slow the focus down very slightly but tolerable. They work GREAT.

LOUISE B.

2013-02-11T19:00:00

I was quite pleased by the quality of this teleconverter. The auto-focus did slow down a little bit but nothing to worry about. Good product for a good price!

Magic M.

2013-01-06T19:00:00

I use it with the Tamron 70-300 VC, a VERY good lens. The teleconverter is equal to Canon's on my Canon 5D Mark II. I did find that the AF was a bit slow but not a real concern.

Magic M.

2012-08-05T21:00:00

Most teleconverters are not very good at retention of image quality. This one is. Compared to others I have used, it is remarkable.

Steve

2012-07-17T21:00:00

To ensure proper function, as is true for most Canon lens focal length extenders, it is always best to attach the extender to the lens, then the pair to the camera. Attaching the extender to the camera, then adding the lens may result in improper function or focusing.

STEPHEN S.

2010-02-11T19:00:00

My opinions of this extender are something of a mixed bag. Optically, I think the 1.4x extender is quite good and is a useful addition to my bag. IS functionality is retained on all the lenses I tried. On the other hand, I'm disappointed autofocus fails in many of my lenses. Specifically, 50mm f/1.4, 100 mm f2.8L IS Macro, 200mm f/2.8L all hunt for focus even when they are wide open. The hunting seems to continue indefinitely. Manual focus works fine and the camera detects critical focus being achieved. Rather bizarrely, autofocusing my 17-40mm f/4L works fine - even though it should not. Go figure. Something else that's odd - the model in the photograph is off-white. Mine is black. Maybe that matters, maybe not.

Spruce G.

2006-11-02T19:00:00

This is the most versitile addition you can add to your bag. It fits the largest variety of lenses, while maintaining auto functions using lenses up to f/5.6 without problem. I use it on a Canon EF100-300 f/5.6L, Canon EF 400L and Canon EF100 2.8 USM macro without noticable loss of detail. It is suggested when using with macro lenses, to use manual focus which is common at high magnifications anyway. Considering the price of long glass, it's the best bang for the buck around! Get it, you'll be glad you did.

SimiPro y.