You could do that … maybe Herschel will share the approach he used. I’d not recommend “exposure by trial” but since materials are not of real concern one could also go that route. ;) Andy > On Dec 19, 2021, at 5:10 PM, photoroy6 <photoroy6@xxxxxxx> wrote: > > I'll answer my own question. Herschel probably took the outside windows from one exposure and the rest of the image from the flash exposure. In the days of film I would determine the exposure combinations for the windows. > Then I would set the flash for the f/# of the windows exposure . Then do one exposure that will give correct density for both the windows and the dark kitchen cabinets etc. > > > > Sent from my Galaxy >