topic Re: XF605 Native ISO/Gain and Dynamic Range Chart in Professional Video

XF605 Native ISO/Gain and Dynamic Range Chart

mjimedia — Tue, 07 Feb 2023 20:42:48 GMT

Hello,

I'm in search of the base ISO/Gain for the XF605. Despite my best efforts, I can't seem to find that listed anywhere.

Also, if anyone can share a dynamic range chart for the XF605 at the different ISO/Gain values that would be great!

Thanks,

Re: XF605 Native ISO/Gain and Dynamic Range Chart

rs-eos — Tue, 07 Feb 2023 20:50:05 GMT

Not sure of if there exists a dynamic range chart for the XF605. In terms of base ISO, perhaps page 189 of the User Manual may shed some light.

There it mentions that "values may differ depending on the gamma settings" with the following callouts:

ISO 200 for Rec.709
ISO 400 or 320 for PQ/HLG
ISO 800 or 500 for Rec.709 WideDR or Canon Log3

For the second and third points above, the reason for the two values appears to be driven by if you have ISO/gain set to increment in full stops (first value) or 1/3 stops (second value).

Re: XF605 Native ISO/Gain and Dynamic Range Chart

mjimedia — Tue, 07 Feb 2023 21:36:39 GMT

Thank you! That was very helpful. Don't ask how I overlooked that, I just did lol.