Overbrights in Lumetri a bit easier in 10.4


going through couple threads today, on grading/lumetri, went , tested few annoyances see how they're doing now, in 10.4.

 

one ... over-brights lumetri "sees" in gh3 panny studio footage (where speedgrade sees above 100).

 

in 10.3, basic panel controls left signal saw above 99 there ... wouldn't move it. curves , color wheels tabs bring down, ... still left of basic tab operations unusable way lumetri "built", it's top-down in operation. basic tab working overbrights left blocked out, , did "weird" things image because of it.

 

the workaround use of basic tab put rgb curves or other "old" effect above lumetri in effects control panel, therefore prior lumetri in processing. entire lumetri panel usable.

 

well ... hadn't caught it, apparently in 10.4 changed some. exposure slider in basic tab can used bring down ... , brings everything down quite bit, unfortunately, requiring use of blacks, shadows, , highlights adjustments of scene needs be. work.

 

the best solution whites control bring down ... only controls in basic tab can move overbrights down exposure & contrast. maybe next release ... lot better able use basic tab, ripple or elements panels.

 

by ... exposure slider in basic tab seems contrast control "pivot" @ around 0, rather move or down same amount, in lightroom ... when lower "exposure" compressing contrast throughout image albeit bit more @ top, , in raising exposure you're expanding whole image albeit bit more @ top. contrast control same tool pivot centered @ 50 on 0-100 scale.

 

i still used way speedgrade offset luma control worked ... moved whole image luminance or down without changing contrast. move offset luma set bottom, , gain set top ... using color wheel/sliders on controls ... very, fast. (and didn't matter whether had overbrights or not!)

 

not preference, ... works.

 

neil

try applying levels effect first neil if thats way grade.

 

that give independent control of shadow, mids , highlights same in every color.

 

you notice on scopes apply effect automatically clamp highlights / whites 100%.

 

its rare ever need @ 100% ( broadcast)



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