Photographers' Formulary Potassium Ferricyanide (1 lb) BILLINGHAM 4 lb and provides a

4 lb and provides a 1/4" headphone output

When an Apollo light modifier is mounted onto a studio light

Grooved ridges atop the housing and a generously-sized focusing wheel enable adjustments to the interpupillary distance and the point of focus even while wearing gloves

Integrated 4K UHD camera functions can be accessed for underwater photography and videography

Photographers' Formulary Potassium Ferricyanide (1 lb) BILLINGHAM 4 lb and provides aPhotographers' Formulary 10 1010 1LB Overview This is 1 lb of Potassium Ferricyanide from Photographers' Formulary. It is mainly used in bleach baths, such as a bleach prior to sulfide toning, as well as a component in iron printing processes and dye toning formulas.