Photographers' Formulary #12 Developer for Black & White Film - Makes 2 Liters

Photographers' Formulary #12 Developer for Black & White Film - Makes 2 Liters

Photographers' Formulary #12 Developer for Black & White Film - Makes 2 Liters

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  • 1Description

Photographers Formulary Film Developer #12 is equivalent to Edwal 12, and is an excellent fine grain film developer that gives full emulsion speed, a full contrast range and superb sharpness.

The developer contains p- phenylenediamine, glycin and metol as the active agents. Developer 12 is not a compensating developer.

The negatives are brilliant rather than flat in appearance.

Developer 12 reproduces flatter scenes better than other film developers and as a consequence, it is an excellent developer for copying or reproducing negatives.

Formulary Film Developer 12 is equivalent to Edwal 12, and is an excellent fine grain film developer that gives full emulsion speed, a full contrast range and superb sharpness.
The developer contains p-phenylenediamine, glycin and metol as the active agents.
Developer 12 is not a compensating developer. The negatives are brilliant rather than flat in appearance. Developer 12 reproduces flatter scenes better than other film developers and as a consequence, it is an excellent developer for copying or reproducing negatives.
The chemicals in the kit are used to make a working solution with a shelf life of two months.
UPC: 675152102119
Table of Contents
  • 1Description
Chemistry Type Film Developer
Powder/Liquid Powder
Material Weight Not Specified by Manufacturer
Packaging Infozwbyazxwuqsdwrvrsu
Package Weight 0.6 lb
Box Dimensions (LxWxH) 6.0 x 5.0 x 3.0"
#12 Developer for Black & White Film - Makes 2 Liters is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Dev 12 - a not so subtle film developer Developer Number 12 from Photographers' Formulary is a package with the same ingredients as the recipe of Edwal 12. The developer was designed for flat US Midwestern light, giving brilliant negatives - the opposite of compensating action. It works really well for portraiture, yielding very beautiful highlights, and is especially well suited for those that print in the darkroom. My own personal use of the developer is for low to normal contrast scenes, usually portraiture, where very fine grain and high sharpness is desirable. The developer gives almost full emulsion speed, yields finer grain than any commercial developer I know of, and is very sharp at the same time. How is this possible? Haven't we heard this before about so many developers? I don't believe in silver bullets, but consider technique to be infinitely more important than our materials, and that there is no single film developer that can solve a particular problem that technique and knowledge can't fix. But, this developer IS special. Dr. Edmund Lowe figured out that paraphenylenediamine (PPD) helps lower the pH of the developer to a level where the glycin becomes more active. This is the key to how it behaves with respect to having extremely fine grain, being very sharp, AND giving full emulsion speed at the same time. If you wish to tame its brilliant tonality it's easy to do by slowing down agitation while processing film. By agitating every three minutes or every five minutes, you can tame the brilliant highlights and produce negatives that suit your style of working. My own work is calibrated to Ilford Multigrade IV fiber paper and Ethol LPD developer. By doing exposure and film developing tests I have found how to best use Edwal 12 with Tri-X 400 film to perfectly suit the tonal scale of the paper, and can easily adapt to other papers as well. All in all, Developer 12 is a remarkable developer with qualities I have not found in other products. If anything is broken with your process, neither this or other developer has the power to fix it for you, but used properly and exploring its full potential some special results can be had. One word: PPD is a chemical which should be treated with respect. In powder form it is especially necessary to be careful. While it was once used in hair coloring chemicals, and probably wasn't healthy for either hair stylists or those getting styled, it's in its dry form that we must be careful not to breathe the dust.
Date published: 2012-12-20
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