[rollei_list] Re: Idle Musings on Darkroom Chemistry, B&W

I think about 30 years ago in my Protechniques column in Modern Photography I 
suggested D-23 by mixing one ounce of metol and one pound of Sodium Sulphite in 
one gallon of water. 
although not exactly D-23, it is close enough. .Ed 
> 
> 
> Although I can vouch for the effectiveness of these developers, IMHO 
> almost any film that needs developing can be dipped in off the shelf, 
> packaged D76, with none the wiser (PQ developers for push processing, 
> if you really, really have to). When properly exposed and processed, 
> the differences in any category of measure are too small to matter. 
> That doesn't mean there are no advantages to other developers, but 
gr> those are usually in their economy or ease of use. One exception is 
> Xtol and its relatives, but that's another thread. 
> 
> 
> Allen Zak 
> 
> 
> 
> 
> On Jul 24, 2007, at 10:51 AM, Petr Dvorak wrote: 
> 
> 
> Let me add my 2c to this interesting thread. My most favorite 
> and almost exclusive developer for 120 and 4x5 films is Barry 
> Thornton's 2 bath formula, a metol based compensating developer. Barry 
> started with Stoeckler's and Ansel's D23 formulas and 
> modified them slightly for modern emulsions. It is very cheap (I mix 
> the solutions at home, the chemicals are cheap and easy to buy 
> online), it lasts forever, it is not time and temperature sensitive; 
> and produces very nice and even results with good details in shades 
> without blowing out highlights. For those who don't mind using 2 bath 
> developers, this is an interesting alternative to Diafine. 
> 
>   
> 
> 0000,0000,EEEEhttp://www.awh-imaging.co.uk/barrythornton/2 
> bath.htm 
> 
>   
> 
> Petr 
> 
> 
> 
>   
> 
> On 7/24/07, Gene Johnson 
> <<0000,0000,EEEEgenej2ster@xxxxxxxxx> 
> wrote: My favorite developer is a homebrew that was developed by 
> Patrick 
> 
> Gainer and tweaked by a bunch of folks on a BW list I was 
> on.  My 
> 
> particular iteration is a concentrate of Phenidone, Ascorbic acid, and 
> 
> KBr (originally in propylene glycol, but I use car antifreeze!), that 
> 
> is diluted at time of use with water, borax, and sodium carbonate. 
> 
> oneThe working solution is one shot. Anyway, if anyone wants the 
> 
> recipe I'll provide it, but I've had great luck with it for a long 
> 
> time.  The concentrate seems to last forever, and the results are Xtol 
> 
> like. 
> 
> 
> 
>

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