LUT

Revised and improved HLG camera LUT for FS7, F5 and F55.

By alisterchapman

I have created a new and improved HLG camera LUT for the PXW-FS7, PMW-F5 and PMW-F55 cameras. This 3D LUT can be used to shoot HLG directly by baking the LUT in to the recordings in camera. This allows you to create “instant HDR” footage that just like the HLG footage from an FS5 or Z90 does not need to be graded or modified to provide an HDR image on an equipped HDR TV. Skin tones should be exposed at around 55-60% and white at around 70-75%.

Click here to download the LUT AC-HLGSL3-V2.cube


Revised and improved HLG camera LUT for FS7, F5 and F55. was first posted on April 6, 2018 at 2:17 pm.
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From:: XDCAM-USER

Beware the LC709 LUT double exposure offset.

By alisterchapman

The use o f the LC709 Type A LUT in Sony’s Cinealta cameras such as the PXW-FS7 or PMW-F55 is very common. This LUT is popular because it was designed to mimic the Arri cameras when in their Rec-709 mode. But before rushing out to use this LUT and any of the other LC709 series of LUT’s there are some things to consider.

The Arri cameras are rarely used in Rec-709 mode for anything other than quick turn around TV. You certainly wouldn’t normally record this for any feature or drama productions. It isn’t the “Arri Look” The Arri look normally comes as a result of shooting using Arri’s LogC and then grading that to get the look you want. The reason it exists is to provide a viewable image on set. It has more contrast than LogC and uses Rec 709 color primaries so the colors look right, but it isn’t Rec-709. It squeezes almost all of the cameras capture range into a something that can be viewed on a 709 monitor so it looks quite flat.

Because a very large dynamic range is being squeezed into a range suitable to be viewed on a regular, standard dynamic range monitor the white level is much reduced compared to regular Rec-709. In fact, white (such as a white piece of paper) should be exposed at around 70%. Skin tones should be exposed at around 55-60%.

If you are shooting S-Log on a Sony camera and using this LUT to monitor, if you were to expose using conventional levels, white at 85-90% skin tones at 65-70%, then you will be offsetting your exposure by around +1.5 stops. On it’s own this isn’t typically going to be a problem. In fact I often come across people that tell me that they always shoot at the → continue…

From:: XDCAM-USER