Quote:
Originally Posted by E90SoFlo
HAHA yes that is a haircut i was getting, sorry.
Here is the book
http://www.amazon.com/Understanding-.../dp/0817463003
And aperture is adjusted through the camera, not through the lens. You can shoot F/6 at 200mm and have a shallow depth of field, just like you can shoot F/2.8 at 15mm and have the same affect .
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well, if you want to get technical, 15mm @ f/2.8 is not going to give you shallow depth of field.
but your analogy was close.