For 7D: Sigma 30/1.4 EX HSM (old one) or Canon 50/1.8 (version2)

Started Jun 6, 2013 | Discussions thread
Dom Regular Member • Posts: 451
Re: For 7D: Sigma 30/1.4 EX HSM (old one) or Canon 50/1.8 (version2)

focal wrote:

I believe the 7D sensor only receives down to f/2.2 and fakes lower f/.

You have been misinformed.  The f-number is part of the lens and has nothing to do with the sensor.

For the OP, these two lenses have quite different focal lengths (I have both) - which fits your portraits, kids shots and whatever you understand "walk around" to mean?  The Canon 50 1.8  will sometimes give a slightly less pleasing bokeh than the 30 1.4.  Both can focus well and are very sharp.  I prefer using the 30, particularly if if I ever want to manually focus is a much pleasanter experience - I like it a lot.  But, if the 30mm field of view is wrong for you then so is the lens.

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