03-13-2012, 07:28 AM
[quote name='Yugi' timestamp='1331599501' post='16633']
Isn't it gonna be 70-200 f/4 for FF?
[/quote]
No. Since it is a 2 stop difference due to the 2x crop factor, f2.8 -> f4 -> f5.6 .
Isn't it gonna be 70-200 f/4 for FF?
[/quote]
No. Since it is a 2 stop difference due to the 2x crop factor, f2.8 -> f4 -> f5.6 .