Sony a7s III Noise: Internal Codec vs. External

Both clips were shot at base ISO 640. The internal codec was XAVC S-I S-Log3/S-Gamut3, the external was ProRes RAW HQ via the Atomos Ninja V which was then transcoded to ProRes 4444 in Apple Compressor. Sony a7s III in-camera noise processing is splotchy and enlargement reveals unsightly banding artifacts, whereas the externally recorded footage... Continue Reading →

Sony a7s III Internal Codec vs. ProRes 4444

ProRes RAW HQ transcoded to ProRes 4444 is brighter, less green, has greater contrast, increased saturation and significantly higher resolution than the internally recorded S-Log3/S-Gamut3 XAVC S-I codec. Below are screenshots of the HDR footage dropped onto a rec. 709 timeline with a custom curve added to preserve highlight detail and a hue adjustment to... Continue Reading →

Ashley III

Colors are more intense as well as more accurate on the iPhone 12 Pro Max than on the LG OLED 55CX and there's also greater separation between the model and background, possibly because the mobile device is tracking the PQ curve more precisely. If the nails look like they're ablaze on your mobile device, it's... Continue Reading →

Sony a7s III: Exceptional Value

Since we picked up a set of Nanlite Forza LED monolights and started grading ProRes 4444 in DaVinci Resolve Studio 17, it's like we're dealing with a completely new camera altogether! Skin tones are the most accurate we've seen from any mirrorless camera and the image quality rivals that of cinema cameras costing thousands more.... Continue Reading →

Tribute to Sony a7s III

For a long while now, we've been keenly aware that highlights in skin tones and light-colored fabrics have been difficult if not impossible to recover in post, leading us to re-examine our ETTR method. After watching a video by Gerald Undone, we tried using two zebra settings, aiming for an ETTR of only +1.66 stops... Continue Reading →

My Most Successful HDR Video Yet

This is perhaps the first of my videos that really begins to use light in a way that takes advantage of HDR rather than being a video that just happens to be mastered in HDR. Not that there aren't numerous benefits to uploading even videos with limited dynamic range as HDR, including greater perceived sharpness,... Continue Reading →

S-Log3 or ProRes RAW HQ?

This is just a superficial comparison between Sony a7s III S-Log3 and ProRes RAW HQ. Jump here for a more in-depth appraisal. Because I was recording them simultaneously, one internally, the other to a Ninja V, I had to settle on a compromise exposure. For S-Log3, I normally use the camera's own zebras set to... Continue Reading →

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