Originally posted by itshimitis My reason for raising it as on some forums people brag about shooting wide open, and yes, the subject is nicely in focus (great!) but the use of narrow depth of field isn't actually speaking to me. Many people do it simply because they CAN. It still has to make sense in the shot and work with the composition. Some still have the attitude that if its showing the bokeh then it must be artistic!
I don't know if it's supposed to be 'artistic'. In my case, I'm usually going for subject isolation, unless I'm doing a type of environmental portrait in which the foreground/background actually adds to the story of the image, places the 'subject' in a time and place I want to remember. Example:
f/7.1
If the subject has some details that require an attention focus, (or If the background includes some garbage in front of my garage for example
) , I'd probably rather diffuse the background into bokeh.
f/2.8 (max aperture on that zoom)
Another reason is that perhaps the lens performs very well wide-open or at larger apertures, and it's fun to marvel at the sharpness on the focal plane, enjoy the 'pop' it brings. If I'm shooting a soft lens, I'm stopping down,because a soft shot has no 'pop' even if it has subject isolation.
And sometimes it's simply a light issue. If f/1.8 gets me 1/40s, f/4 gets me 1/10s, I'm going with f/1.8.
For landscapes, architecture, etc, I'm almost always at f/8, sometimes f/5,6 and sometimes f/11 - f/16 depending on how much of the foreground I want in the frame.
f/8