RX100 III - MFNR vs. median stacking

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Rick Evertsz
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RX100 III - MFNR vs. median stacking
1 month ago

I've been quite impressed with the multi-frame noise reduction (MFNR) implementation on the RX100. On the Mark 1, output looked nice at ISO 3200; not so nice at 6400. The Mark 3 seems about a stop better to me, i.e. I'm happy with its output at 6400.

Out of curiosity, I just did a quick comparison between MFNR and median stacking at ISO 12800, explained here: http://petapixel.com/2013/05/29/a-look-at-reducing-noise-in-photographs-using-median-blending/

This is a very informal comparison, but it's convinced me to use median stacking if forced to shoot at ISO 12800 in an environment where there is minimal subject movement. In this example, I stacked JPEGs because DXO Optics Pro (my RAW converter) doesn't yet handle RX100 III RAW files. High ISO NR was set to LOW for all shots. I was sitting in bed shooting handheld, so the pictures aren't perfectly aligned. All shots were 24mm, f1.8, 1/100s.

Hope these 100% crops are of interest to someone

Single shot JPEG

Multi-frame noise reduction (in camera)

Median stacking (combined using 10 JPEGs in Photoshop)

 Rick Evertsz's gear list:Rick Evertsz's gear list
RX100 III Sony Alpha DSLR-A700 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sony 85mm F1.4 ZA Carl Zeiss Planar T* Sony 135mm F1.8 ZA Carl Zeiss Sonnar T*
RX100 III Sony RX100
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