Crop Factor, Low Light and Aperture with m4/3 lenses?

Started Jun 15, 2014 | Discussions thread
shutterbud Senior Member • Posts: 1,350
Re: Crop Factor, Low Light and Aperture with m4/3 lenses?

The post above is correct. While not intuitive, the crop factor of two has been considered by the truly wonderful range of lenses available for the u4/3 mount. You could hardly ask for a better selection from such a young format. It all depends whether you prefer a thin DoF to your images. I've posted this picture before, but it is apposite to this discussion. This portrait was taken at f/1.4 on a GX1. You can see the OOF area starts just behind the mouth of the subject as I was at the limits of close focus for this lens. I will also try to find a decent bokeh image.

While this is almost a macro shot, the bokeh is instructive. Not unpleasant, but limited vs FF

Hope these examples help. The lens is the Panasonic/Leica 25/1.4 and the GX1 has an older sensor than the Oly, but the DoF and bokeh are representative.

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