Designed and built to the strictest precision standards, this lens offers magnificent imaging performance throughout the frame, right up to its widest F1.4 aperture setting.
Extraordinary detail and bokeh in one lens
An XA (extreme aspherical) element with 0.01 micron surface precision contributes to previously unachievable resolution and stunning bokeh for new expressive potential.
Natural images without spurious color
Three ED glass elements support the lens’s outstanding resolving power by suppressing chromatic aberration and minimizing artificial colouration throughout its aperture range.
Sublime 2-sensor autofocus accuracy
Two position sensors enhance the accuracy of an SSM (Super Sonic wave Motor) drive system for autofocus performance that fully supports the lens’s high-resolution capability.
Professional lens control features
A focus mode switch, focus hold button, and aperture ring with switchable click stops provide professional control for a wide range of shooting situations.
Ideal portrait performance
Superior resolution & bokeh
G Master series lenses take imaging and expression to previously unattainable levels with a stunning blend of extremely high resolution and softly dissolving background bokeh.  Extreme aspherical lens (XA lens)  ED (extra-low dispersion) glass
MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.  Contrast (%)  Distance from optical center of lens (mm)  Max. aperture  F8 aperture  Spatial frequency  10 line pairs / mm  30 line pairs / mm  Radial values  Tangential values
1. Focusing ring / 2. Aperture ring / 3. Focus hold button / 4. Focus mode switch / 5. Mounting index / 6. Aperture click switch / 7. Hood release button
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