I need advice on a backpack type that meets aircraft carry-on restruction:
Canon 500 f/4 (without leather hood and sun shade)
100-400 f/4.5-5.6
70-200 f/2.8
2x TC
1.4 TC
EX580 flash
5D2
D40
100 f/2.8 macro
28-205 f/4
This all weighs a little less that the 40lb wt limit for carry-on.

