Chris T wrote:
Well, in adverse conditions - wind, rain, snow ... it's better to have a film changing bag at the ready (or, any kind of protective cover) ....
But, in situations like that, you aren't really expected to change lenses in no time flat ....
Only, inside ... and at outdoor events, like weddings, etc. ...
Some folks can do it, in their sleep, yaknow, Richard ....
I don't know anybody who can do it in their sleep.
That's why they use two bodies.
A question was asked sometime ago about what's the most limiting speed of a DSLR?
One of the major limitations was the photgographer - and I would suggest that messing around changing lenses is another good reason to "miss moments".