W Avg MTF W Avg MTF W RMS MTF W RMS MTF W Avg MTF W Avg MTF W RMS MTF W RMS MTF  
    f-max 10 lp f-max 10 lp f-max 10 lp f-max 10 lp f-max 30 lp f-max 30 lp f-max 30 lp f-max 30 lp  
  Lens APS-C 35mm APS-C 35mm APS-C 35mm APS-C 35mm  
  EF 300mm f4L IS USM   0.834 0.843 0.503 0.842 0.673 0.667 0.404 0.675  
  EF 100-400mm f4.5-5.6L IS USM 300 mm (Est)  0.908 0.892 0.543 0.904 0.751 0.701 0.447 0.742  
  EF 100-400mm f4.5-5.6L IS USM 300 mm (Est)  0.908 0.892 0.543 0.904 0.751 0.701 0.447 0.742  
  EF 75-300mm f4-5.6 IS USM 300 mm (Est)  0.806 0.784 0.483 0.807 0.554 0.512 0.331 0.553  
  EF 90-300mm f4.5-5.6 (USM) 300 mm (Est)  0.721 0.695 0.427 0.712 0.435 0.399 0.254 0.420  
  EF 70-300mm f4.5-5.6 DO IS USM 300 mm (Est)  0.906 0.879 0.540 0.899 0.673 0.620 0.400 0.667  
  EF 75-300mm f4-5.6 III (USM) 300 mm (Est)  0.820 0.799 0.492 0.823 0.562 0.525 0.336 0.562  
  EF 90-300mm f4.5-5.6 (USM) 300 mm (Est)  0.721 0.695 0.427 0.712 0.435 0.399 0.254 0.420  
     
    W Avg MTF W Avg MTF W RMS MTF W RMS MTF W Avg MTF W Avg MTF W RMS MTF W RMS MTF  
    f8 10 lp f8 10 lp f8 10 lp f8 10 lp f8 30 lp f8 30 lp f8 30 lp f8 30 lp  
  Lens APS-C 35mm APS-C 35mm APS-C 35mm APS-C 35mm  
  EF 300mm f4L IS USM   0.929 0.914 0.556 0.927 0.786 0.749 0.468 0.781  
  EF 100-400mm f4.5-5.6L IS USM 300 mm (Est)  0.931 0.909 0.556 0.925 0.808 0.749 0.480 0.795  
  EF 100-400mm f4.5-5.6L IS USM 300 mm (Est)  0.931 0.909 0.556 0.925 0.808 0.749 0.480 0.795  
  EF 75-300mm f4-5.6 IS USM 300 mm (Est)  0.826 0.793 0.492 0.821 0.622 0.562 0.369 0.615  
  EF 90-300mm f4.5-5.6 (USM) 300 mm (Est)  0.784 0.757 0.467 0.778 0.549 0.496 0.322 0.535  
  EF 70-300mm f4.5-5.6 DO IS USM 300 mm (Est)  0.919 0.890 0.547 0.910 0.745 0.667 0.436 0.722  
  EF 75-300mm f4-5.6 III (USM) 300 mm (Est)  0.817 0.787 0.488 0.813 0.613 0.555 0.363 0.604  
  EF 90-300mm f4.5-5.6 (USM) 300 mm (Est)  0.784 0.757 0.467 0.778 0.549 0.496 0.322 0.535