Lens Information
2006 pricing

EF 70-300mm f/4.5-5.6
DO IS USM
EF 75-300mm f/4-5.6 III USM EF 100-400mm f/4.5-5.6 L IS USM EF 300mm f/4 L IS USM
Size 82.4 x 99mm (3.2 x 3.9 inches) 71 x 122mm (2.8 x 4.8 inches) 92 x 189mm (3.6 x 7.4 inches) 90 x 221mm (3.5 x 8.7 inches)
Weight 720 g (1.6 lbs) 480 g (1.06 lbs) 1,380g (3.1 lbs) 1,190 g (2.6 lbs)
Elements / Groups 18 / 12 13/ 9 17 / 14 15 / 11
Price (USD) $1,100 $180 $1,390 $1,120