Canon zooms and focal length to aperture tables.

Started Apr 25, 2012 | Discussions thread
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BillyGoatGruff
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Canon zooms and focal length to aperture tables.
Apr 25, 2012

For example, the 70-300mm f/4-5.6 L lens I have is:

70mm - f/4
100mm - f/4
135mm - f/4.5
200mm - f/5
300mm - f/5.6

I don’t know, however, at what focal length it ceases to have a maximum aperture of f4.

I also plan on purchasing the 28-300, and would like that information. I don’t think Canon has this information on its website. I’m really looking for a graph that shows me the maximum aperture along the lens’ zoom range.

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