

Specifications
Review


The build quality is superb and despite the use of high quality plastics (rather than metal) it certainly deserves Sony's GM designation here. The weather sealing is also aligned to professional use. Quality of the bokeh is second to none.
Bokeh comparion
Sony

Canon


Diaphragm is very circular, thanks to 11 rounded parts.
https://www.focus-numerique.com/news/retour-sur-le-nouveau-sony-g-master-100-mm-stf-19529.html
Field test

http://www.imaging-resource.com/lenses/sony/fe-100mm-f2.8-stf-gm-oss-sel100f28gm/review/#fieldtest
First lens buyer

https://www.ephotozine.com/article/sony-fe-100mm-f-2-8-stf-gm-oss-lens-sample-photos-30606
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