Các ống mới này bao gồm:
Canon 400-600mm F2.8-4
Canon 300-600mm F2.8-4.5
Canon 70-300mm F4"
Example 1
Focal length: 409.335-582.738
F value: 2.880-4.100
Half-angle: 3.025-2.126
Statue height: 21.635
Total length: 475.002
Back focus: 39.500
Example...