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ISO Sensitivity / Noise levels (contd.)

Noise filter settings

The graph below shows the effect of setting the Noise Filter to any one of the four levels at ISO 100 (125 equiv.), ISO 400 and ISO 1600 (1250 equiv.). The 'jump' between Off and Low is considerably more than from Low to Standard, hence if you feel you need to use some Noise Filter then it's probably worth sticking to the 'Low' setting. The graph shows gray luminance but it is a similar picture for chroma noise.

Below are the crops for the graph data above. It is worth noting that while its predecessor clearly still applied some noise reduction at ISO 1600 (1250 equiv.) even at the 'Off' setting, on the E-420 'Off' now actually means something much closer to 'Off'.

ISO 100
Noise filter: Off
ISO 400
Noise filter: Off
ISO 800
Noise filter: Off
ISO 1600
Noise filter: Off
ISO 100
Noise filter: Low
ISO 400
Noise filter: Low
ISO 800
Noise filter: Low
ISO 1600
Noise filter: Low
ISO 100
Noise filter: Standard
ISO 400
Noise filter: Standard
ISO 800
Noise filter: Standard
ISO 1600
Noise filter: Standard
ISO 100
Noise filter: High
ISO 400
Noise filter: High
ISO
Noise filter: High
ISO 1600
Noise filter: High
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Total comments: 2
photolover1996

I have had this DSLR for almost a year, as it is my first one. It came with two lenses, and one of the lenses recently has been having problems focusing. I had bought it refurbished, so that could have been the problem. Other than that, I have loved it. It takes great pictures, and is nice and compact. I don't know how it works in its automatic settings, as I only use any camera in full manual mode. But for a first DSLR, I have loved it, and I would use an olympus any day.

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AARTHu

I bought this oldie digital as a first experience vith digital cameras, even still use film mainly. So may it was a wrong decision, but I stay beside classic film photography. This camera slow, cheap and only manual mode able to firing promptly. I missed such a moments just because it wait so much before release the shutter. The lens as it is, so far from my zeiss with contax 35mm. Obviously nonsense to compare 66 rolleiflex images. There are lots of set up features, but practically takes long time to modify them, which disturb so much the picture taking. The CF card door a slim plastic door, very fragile. The viewfinder very small. All around this model are far away any real reflex cameras, it seems who design it just never take pictures with a proper camera. I can not recommend this camera, better to smash them all in the name of photography.

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Total comments: 2