Configuration, MTF, Control

Illustration of lens configuration

Lens Configuration 

Impeccable Sony G Lens design emphasises a graceful balance between high resolution and gorgeous background bokeh that can enhance the artist’s vision.

[1] Aspherical lens  [2] Super ED glass  [3] ED (extra-low dispersion) glass
Modulation Transfer Function of SEL15F14G

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

Lens Controls

Product images of E 15mm F1.4 G, left side.
[1] Focusing ring  [2] Aperture ring  [3]  Aperture index  [4] Focus-mode switch  [5] Focus hold button
Product images of E 15mm F1.4 G, right side
 [6] Aperture click switch