Anyone know if the Sigma 10-20mm f4-5.6 EX DC HSM Lens, described as 'Canon Fit', will work on a full frame body? I checked Warehouse express and the specification says 'Canon EF' so I would suspect so? Is this correct?
I have a sigma 10-20 which does fit and work on my 5d, but is only really useable from 14-15mm to 20mm as the vignetting is really heavy at anything less than this. Made me make the switch to a 17-40L which i have not regretted.
The vast majority of non canon EF-S lenses will work on FF or 1.3 but show vignetting at some point. The Canon EF-S lenses will cause the mirror to crash into the back of the lens but this doesnt seem to be an issue with the rest.
It fits fine on a FF, but it becomes a completely different beast!
A few samples from a 5dII:
at 10mm:
at 15mm:
Also the focus distance is much reduced, could get a sharp picture at less than 10cm which made for some interesting detailed shots. I added some more vignette to the last one to soften the one caused by the lens, but the outline can still be seen.
Tokina 12-24 mm is fine on FF at 18-24mm with NO black corners (hood off) - hood on - 19-24mm I used to use one but sadly changed for 17-40 which is no sharper and more distorted
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