Lenses
Lenses
Configuration, MTF, Control
MTF Chart
MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.
[1] Contrast (%) [2] Distance from optical centre of lens (mm) [3] Max. aperture [4] F8 aperture [5] Spatial frequency [6] 10 line pairs/mm [7] 30 line pairs/mm [8] Radial values [9] Tangential values
[1] Contrast (%) [2] Distance from optical centre of lens (mm) [3] Max. aperture [4] F8 aperture [5] Spatial frequency [6] 10 line pairs/mm [7] 30 line pairs/mm [8] Radial values [9] Tangential values
[1] Focusing ring [2] Focus hold button [3] Focus mode switch
