> I understood the rule of Expose For the Shadows, Develop for the
> Highlights. As my knowledge, I determine the area of zone 3 and meter the
> highlight area is zone 8. Then I have to develop the film with N-1 to
> reduce highlights to zone 7. Am I correct?
You are correct. N-1 does move Zone 8 down to Zone 7. Usually. What
N-1 does is move Zone 9 down to 8. All the rest compress downward
some, but not as much. 8 will almost reach 7, 7 is almost 6 and 6 is
about 5.5. From there on down, you don't see much change at all.
> I'm confusing that how many reducing time is correct. I use Kodak HC110
> developer and make different dilution for different contrast of film. I'd
> control the water temperature in 20ºC & 7 mins developing time. Normally
> I'll develop film a bit thick (over) for easier printing in darkroom.
I use the tables at digitaltruth.
http://www.digitaltruth.com/devchart.php
--
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
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