Rahul Singh Lamba: 6D (left) vs 70D (middle) vs 40D (right)
Rahul Singh Lamba: 6D (left) vs 70D (right): A macro perspective
Rahul Singh Lamba: Canon 100-400 (left) vs Tamron 150-600 (right) at 400mm F/5.6
Rahul Singh Lamba: Tamron 150-600 - @400mm F/5.6 - 1/100
Rahul Singh Lamba: Canon 100-400: @400mm - F/5.6 - 1/100
Rahul Singh Lamba: 500mm F/6.3 vs F/8
Rahul Singh Lamba: 600mm F/6.3 vs F/8