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Cameras and Photography: teleconverter

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Forum: Cameras and PhotographyReplies: 3, Views: 63
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Grand-Falls, NB
(Zone 4a)

September 24, 2010
2:26 PM

Post #8118930

I just bought a Kenko 1.4x teleplus pro 300 DGX, for my Rebel T1i. I hooked it up, to my EF 70-300mm 1:4-5:6 IS lens. When my camera is turned on, there is a sound, coming out from the lens continuously. Has anyone had this problem. And is my lens compatible with it. I would also like to know what your experience was with the Kenko 1.4x teleconverter. Your help would much appreciated.
Powder Springs, GA
(Zone 7b)

September 24, 2010
2:47 PM

Post #8118974

Turn off your autofocus. What lens are you using with it (biggest question is what is the largest f-stop)?

I have the Canon 1.4 converter and with the 100-400 it won't autofocus due to the f-stop so I have to manual focus anyway.
Sandusky, OH

September 24, 2010
9:22 PM

Post #8119628

If it connected then it should work...but manual focus only.
Grand-Falls, NB
(Zone 4a)

September 25, 2010
4:25 PM

Post #8120829

I tried turning off autofocus, and the noise persisted. I then turned off Image stabilizer, and the noise stop. I only turn it back on, when I use the camera. Auto focus works great. I'm waiting for a sunny day, to really give it a good try.

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