Developing Delta

The very best results from Delta, particularly 100, is obtained with PMK (Pyro-Metol-Kokalk.) This formula was developed by Gordon Hutchings and is public domain so everyone is free to use it. Kits are available from Photographers Formulary, but it is easily mixed from dry chemicals available in any decent size city. Yes, it's more trouble than just pouring liquid concetrate from a bottle, but if you didn't have a passion for quality, you wouldn't be in this forum in the first place. So, for everyone who wants to be amazed at how good a negative can be, give PMK a try. There's an excellent article in the current issue of Camera Arts by Gordon himself.

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