Canon EF 2.8 24-70mm USM L 4.16 (3) = very-good
Canon EF 2.8 28-70mm USM L 4.15 (5) = very-good
Tamron AF 2.8 28-75mm LD XR Aspherical SP 4.14 (3) = very-good
Nikkor AF 2.8 35-70mm D 4.11 (5) = very-good
Nikkor AF-S 2.8 28-70mm IF ED D 4.05 (4) = very-good
Pentax SMC-FA 2.8 28-70mm AL 3.90 (5) = very-good
Minolta AF 2.8 28-70mm G 3.76 (4) = very-good
Tokina AF 2.8 28-80mm AT-X Pro 3.66 (4) = good
Canon EF 2.8-4.0 28-80mm USM L 3.56 (4) = good
Sigma AF 2.8 28-70mm EX DF 3.50 (2) = good
Tokina AF 2.6-2.8 28-70mm AT-X Pro II 3.42 (5) = good
Sigma AF 2.8 24-70mm EX DF DG 3.40 (3) = good
Sigma AF 2.8-4 28-70mm HS 3.05 (2) = average
Tokina AF 2.8 28-70mm AT-X Pro SV 3.12 (2) = average
Tamron SP AF 2.8 28-105mm LD (IF) 2.93 (5) = average
Sigma AF 2.8-4 28-105mm Aspherical 2.48 (5) = sub-average