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	Phil Davis  | 
	9:30 30 Sep 02  | 
	
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	David B. Mark  | 
	15:14 29 Sep 02  | 
	
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	Phil Davis  | 
	17:46 29 Sep 02  | 
	
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	howard schwartz  | 
	13:42 29 Sep 02  | 
	
	
		
		
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		as i understand it from the btzs.org article, we determine the enlarger height/aperature setting to set the speed point to 2.4. it was recommended to use ilford delta in d76 at 1:1. suppose that the ev value for this combination is 4.67 on the baseboard. if i test 400 speed film, do i set the baseboard to 2.67?
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	Phil Davis  | 
	17:29 29 Sep 02  | 
	
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	David B. Mark  | 
	8:45 27 Sep 02  | 
	
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	Phil Davis  | 
	11:32 27 Sep 02  | 
	
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	David B. Mark  | 
	14:46 29 Sep 02  | 
	
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	Phil Davis  | 
	17:26 29 Sep 02  | 
	
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	Phil Davis  | 
	20:11 23 Sep 02  | 
	
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