Handles
Sony FE 100mm f/2.8 STF GM OSS Lens Overview
Smooth Trans Focus
- Optical design incorporates an apodization (APD) element that helps to improve the quality of bokeh. This element, which resembles a radially graduated ND filter that tapers from clear in the center to denser around the edges, produces more circular out-of-focus highlights for more pleasing selective focus and shallow depth of field effects.
- An aperture range of f/2.8 to f/20 is available, however the implementation of the apodization filter renders this range as T5.6 to T22.
- A rounded 11-blade diaphragm further contributes to a pleasing bokeh quality when employing shallow depth of field techniques.
G Master Optics
G Master lenses prioritize sharpness and bokeh quality by featuring advanced optical designs and specialized elements.
- One extra-low dispersion (ED) element reduces color fringing and chromatic aberrations while one aspherical element controls spherical aberrations for improved clarity and sharpness.
- Optical layout has also been designed to reduce peripheral highlight distortion due to vignetting in order to achieve rounder out-of-focus highlights in both the foreground and background.
- A Nano AR Coating has been applied to reduce surface reflections, flare, and ghosting for increased contrast and color rendering in strong lighting conditions.
Autofocus and Macro Switching
- Direct Drive Super Sonic wave Motor AF system provides quick, quiet, and precise autofocus performance and also contributes to more natural, intuitive manual focus control.
- Internal focusing design offers more responsive focusing performance and maintains a consistent overall lens length during operation.
- Macro switching ring allows you to choose between two focusing ranges: 2.8′ to infinity or a closer range of 1.9-3.3′.
- Maximum magnification of 0.25x at minimum focus allows for near-macro capabilities for true close-up detail shooting.
- Customizable focus hold button on lens barrel can be used to hold the focusing position, or can be set in-camera to control a variety of additional lens functions.
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