Sony A7s Dynamic Range & Low Light Test with Sound Devices PIX 240

Randolph Sellars

tests the Sony A7s dynamic range and low abilities using the internal codec versus the Sound Devices PIX 240:

…Our primary goal was to evaluate the dynamic range and high ISO capabilities in low light situations. We chose challenging but common situations like high contrast day exterior and interior as well as extreme low light with practical sources.

In the high ISO tests, we stopped down accordingly so that we could judge noise with a consistent exposure and see if there were any changes in dynamic range. Most of the footage is “raw” and uncorrected. …

We simultaneously recorded 1080P to both SD cards and a Pix 240 external recorder (split screen) so we could see the benefits of a higher bit rate and color space recording – especially after grading. …

Note: some of the color noise that you may see on the wall in the candle test is the result of compression and is not apparent in the original. This is especially true of the footage that was graded with Neat Video applied. The model’s face was lit entirely by the two candles approximately 1 ft. away. The model’s face in the interior day scene was lit with a 4′ – 4 bank kinoflo. All light readings were taken with a reflective spot meter. With some of the dusk/night bridge shots, the focus on the model’s face is slightly off – and not indicative of the camera’s sharpness. I’m just not that great at pulling focus by myself without a follow focus unit…


 

2 replies on “Sony A7s Dynamic Range & Low Light Test with Sound Devices PIX 240”

  1. Sareesh, thanks for sharing our Sony A7s test with your followers.  I’m definitely a fan of your blogs and I appreciate and learn from your articles.

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