Go Back   Steve's Digicams Forums > Digital SLR and Interchangeable Lens Cameras > Canon Lenses

Thread Tools Search this Thread
Old Feb 3, 2007, 7:42 PM   #1
Junior Member
Join Date: Jan 2005
Posts: 7

Will the Tamron 1.4x SP AF teleconverter work on my Canon 20D ?
JLC is offline   Reply With Quote
Sponsored Links
Old Feb 5, 2007, 6:18 AM   #2
Senior Member
John at the Beach's Avatar
Join Date: Feb 2003
Location: Southeastern NC
Posts: 491

The 1.4x does work nicely on the 20D...Depending on your lens, you might get a "seek and find" at times on your focusing...I have taken alot of surfing shots with it and it may be because of the movement of the camera following the surfers that causes this, but be aware that it may happen...I minimize that by using center focus only...
John at the Beach is offline   Reply With Quote
Old Feb 5, 2007, 1:03 PM   #3
Senior Member
Caboose's Avatar
Join Date: Feb 2005
Posts: 625

the teleconverter is more dependant on the lens than the camera, well as long as the mount is for the proper camera anyway. So if you are using it with a Tamron lens it should be fine. I have found that using a lens and TC made by the same manufacturer usually gives you the best image quality.
Caboose is offline   Reply With Quote
Old Feb 22, 2007, 2:00 PM   #4
Senior Member
Join Date: Mar 2005
Posts: 142

I was looking into the Tamron 200-500mm lens at a store today. NOt that heavy. Question is, With my Canon RebelXT and this Tamron 200-500, could I also use the 1.4 tamron converter? Will I get anything out of the shots? , I mean will it tighten the subject or distort and not be as sharp? Hope anyone can follow my line of questioning here. Thanks for any input.
photo118 is offline   Reply With Quote
Old Feb 23, 2007, 6:32 AM   #5
Senior Member
NHL's Avatar
Join Date: Jun 2002
Location: 39.18776, -77.311353333333
Posts: 11,331

You can use the 1.4x on the 200-500 but you will lose the autofocus
-> when you add a 1.4x you'll lose an f-stop which will make the lens aperture too small for the camera to focus although the combination will 'tighten' up the shot - This is why manay folks get a faster lens so they can pile on with 1.4x or 2x( 2 stops loss)...
NHL is offline   Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -5. The time now is 10:56 AM.