12-13-2011, 10:52 PM
[quote name='Sylvain' timestamp='1323808832' post='13717']
It's not about being sufficient, it's about being better.
[/quote]
By that definition you should rule out f/4.0 lenses and only look at f/2.8 ones... or rule out f/2.8 lenses and only look at f/2.0 ones... and so on and so forth...
What is your benchmark that makes f/4.0 lenses worthy of purchase but not ones starting at f/5.6?
It's not about being sufficient, it's about being better.
[/quote]
By that definition you should rule out f/4.0 lenses and only look at f/2.8 ones... or rule out f/2.8 lenses and only look at f/2.0 ones... and so on and so forth...
What is your benchmark that makes f/4.0 lenses worthy of purchase but not ones starting at f/5.6?