| Joined: | Sun Apr 8th, 2012 |
| Location: | Adelaide, Australia |
| Posts: | 187 |
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Am I right I saying the 7d is a 'DX' size sensor and the 400mm is an' 'FX' lens...so the effective focal length on your shot was 600mm ish?
It's slightly smaller than DX at 1.6x (insteadof 1.5x) crop
This means the equivalent is 640mm
Another advantage/disadvantage of the Canon system depending on whether you are shooting a wide or a telephoto
Btw. I would strongly discourage purchasing af-s lenses as one day you will end up kicking yourself
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