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Archive 2024 · Demystifying Log ISO, Exposure, and Noise

  
 
Jepser
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p.2 #1 · Demystifying Log ISO, Exposure, and Noise


I almost understod everything

Great work and realy interesting!



Jan 04, 2025 at 03:21 PM
aman74
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p.2 #2 · Demystifying Log ISO, Exposure, and Noise


Thanks for the time and effort, I know very little about video, so this will definitely help.


Jan 04, 2025 at 05:08 PM
Alistair1
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p.2 #3 · Demystifying Log ISO, Exposure, and Noise


snapsy wrote:
Yep. Of course shooting raw means you can also shoot SDR ISO 100 and then apply N-Log as the initial conversion on Resolve's raw tab. That opens up the ability to use N-Log without the -3EV exposure metering but that's mostly only useful for experiments.


Presumably shooting Nlog Raw and then converting to a 10 bit file in DVR with no adjustments or colour management (Rec.2020, Nikon Nlog gamma in and out) applied will produce a file materially identical to shooting Nlog 10 bit in-camera?



Jan 04, 2025 at 08:38 PM
snapsy
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p.2 #4 · Demystifying Log ISO, Exposure, and Noise


Alistair1 wrote:
Presumably shooting Nlog Raw and then converting to a 10 bit file in DVR with no adjustments or colour management (Rec.2020, Nikon Nlog gamma in and out) applied will produce a file materially identical to shooting Nlog 10 bit in-camera?


It'll be identical in gamma, close in color but with some saturation differences, but of course different in terms of compression artifacts for in-camera, baked-in noise reduction, lens corrections, etc...



Jan 05, 2025 at 03:25 AM
Alistair1
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p.2 #5 · Demystifying Log ISO, Exposure, and Noise


Can we say that for equivalent exposure settings (shutter angle and aperture) log footage will yield shadows with greater bit depth than SDR footage?


Jan 15, 2025 at 03:31 AM
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