<photozone>
Minolta AF 4.5-5.6 100-300mm APO 3.09 (4) = average
Canon EF 5.6 100-300mm L 3.05 (3) = average
Minolta AF 4.5-5.6 75-300mm 3.04 (4) = average
Tokina AF 4.0 100-300mm AT-X II 3.03 (4) = average
Pentax SMC FA 4.5-5.6 80-320mm 3.01 (4) = average
Minolta AF 4.5-5.6 75-300mm II 2.99 (2) = average
Nikkor AF 4-5.6 70-300mm G 2.89 (2) = average
Nikkor AF 4-5.6 70-300mm ED /
Tamron AF 4-5.6 70-300mm LD 2.83 (3) = average
Canon EF 4.5-5.6 100-300mm USM 2.65 (4) = sub-average
Canon EF 4-5.6 75-300mm USM IS 2.59 (5) = sub-average
Canon EF 4.0-5.6 75-300mm USM II 2.58 (4) = sub-average
Generic AF 4.5-5.6 70-300mm 2.57 (4) = sub-average
Nikkor AF 4.5-5.6 75-240mm D 2.29 (4) = sub-average
Sigma AF 4.5-6.7 100-300mm UC 2.29 (3) = sub-average
Sigma AF 4.0-5.6 70-300mm DL Macro Super 2.17 (2) = poor
Tamron AF 5-6.3 100-300mm 2.16 (5) = poor

<photodo>
(Canon)
Grade: 3.3 35mm/AF Canon EF 35-350/3,5-5,6 L USM
Grade: 2.9 35mm/AF Canon EF 75-300/4-5,6 IS USM
Grade: 3.1 35mm/AF Canon EF 75-300/4-5,6 II
Grade: 3.3 35mm/AF Canon EF 100-300/5,6
Grade: 3.6 35mm/AF Canon EF 100-400/4,5-5,6L IS USM
Grade: 2.4 35mm/AF Canon EF 100-300/4,5-5,6 USM
(Minolta)
Grade: 3.2 35mm/AF Minolta AF 100-400/4,5-6,7 APO
Grade: 2.6 35mm/AF Minolta AF 75-300/4,5-5,6 II
Grade: 3.2 35mm/AF Minolta AF 100-300/4,5-5,6 APO
(Nikkor)
Grade: 2.4 35mm/AF Nikkor AF 70-300/4-5,6D ED
Grade: 3.2 35mm/AF Nikkor AF 75-300/4,5-5,6
(Pentax)
Grade: 2.5 35mm/AF Pentax SMC-FA 80-320/4,5-5,6
(Sigma)
Grade: 2.9 35mm/AF Sigma AF 70-300/4-5,6 DL macro super
Grade: 3.1 35mm/AF Sigma AF 75-300/4,5-5,6 APO
Grade: 2.6 35mm/AF Sigma AF 100-300/4,5-6,7 DL
Grade: 2.6 35mm/AF Sigma AF 135-400/4,5-5,6 Apo Aspherical RF
(Tamron)
Grade: 2.6 35mm/AF Tamron AF 100-300/5-6,3
Grade: 1.2 35mm/AF Tamron AF 200-400/5,6 LD (IF)
(Tokina)
Grade: 2.3 35mm/AF Tokina AT-X AF 80-400/4,5-5,6
Grade: 3.1 35mm/AF Tokina AF AT-X 100-300/4 II