posted by guyp on Jan 15, 2008
I want to buy a tamron 17-50mm f/2.8 lens. Will it be able to send data to a canon speedlite so flash can be properly controlled?
Comment by guyp, posted on Jan 16, 2008
Dear cammedic,
Your solution was straight to the point and is helpful but in my humble opinion not all very reassuring. I suppose the ffup question is - what are the issues or problems involved in the use of third party lenses like tamron with a camera like the canon 40D?
Many thanks,
guyp
Your solution was straight to the point and is helpful but in my humble opinion not all very reassuring. I suppose the ffup question is - what are the issues or problems involved in the use of third party lenses like tamron with a camera like the canon 40D?
Many thanks,
guyp
Best Solution
posted on Jan 15, 2008
Your question is posted under a Nikon version of this lens. I assume you are talking about using the Canon EOS mount version.
The short answer is: Yes
The short answer is: Yes
Comment by cammedic, posted on Jan 16, 2008
I understand. You needn't worry about a 3rd party lens as much as I would worry about a 3rd party strobe or flash. Lenses are passive with the information communicated between it and the camera, they don't have their own power source. The manufacturers of cameras have always dis-approved of any 3rd party products even way before the digital formats and autofocus was available.
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