The photo blog
Tutorials, techniques and the history of pinhole photography and cyanotype
Potassium ferrocyanide (E536): what it is, how toxic it is and how it differs from ferricyanide
Potassium ferrocyanide, a yellow iron II salt and the additive E536, compared with the red iron III ferricyanide used in cyanotype: formulas, uses (salt, wine), toxicity according to EFSA and...
Potassium ferrocyanide (E536): what it is, how toxic it is and how it differs from ferricyanide
Potassium ferrocyanide, a yellow iron II salt and the additive E536, compared with the red iron III ferricyanide used in cyanotype: formulas, uses (salt, wine), toxicity according to EFSA and...
Anthotype: making sun prints with the juice of plants
An anthotype is an image made in the sun with the juice of a plant, which fades in light: principle, materials and steps, plants tested by Herschel in 1842, exposure...
Anthotype: making sun prints with the juice of plants
An anthotype is an image made in the sun with the juice of a plant, which fades in light: principle, materials and steps, plants tested by Herschel in 1842, exposure...
Lumen printing: colours from the sun on photo paper, with no developer
Lumen printing colours black and white photo paper in the sun, with no developer: what sets it apart from the developed photogram and from cyanotype, why the silver turns pink,...
Lumen printing: colours from the sun on photo paper, with no developer
Lumen printing colours black and white photo paper in the sun, with no developer: what sets it apart from the developed photogram and from cyanotype, why the silver turns pink,...
Double exposure cyanotype: two exposures on one sheet, step by step
Exposing the same cyanotype sheet twice under two images: a simple method to start with (an object added during the exposure) step by step, two variations (a negative then plants,...
Double exposure cyanotype: two exposures on one sheet, step by step
Exposing the same cyanotype sheet twice under two images: a simple method to start with (an object added during the exposure) step by step, two variations (a negative then plants,...
Sunprint vs cyanotype, and where Solarfast fits in
Sunprint and sun paper are ready-to-use cyanotype, Solarfast a photoreactive dye. Their chemistry, their colours, their supports, and why it is worth preparing your own cyanotype.
Sunprint vs cyanotype, and where Solarfast fits in
Sunprint and sun paper are ready-to-use cyanotype, Solarfast a photoreactive dye. Their chemistry, their colours, their supports, and why it is worth preparing your own cyanotype.
Pinhole camera for kids: getting children started
Pinhole photography with children from about age 8, always with an adult: seeing the image in a camera obscura, loading, setting up, developing. Who does what, how a session runs...
Pinhole camera for kids: getting children started
Pinhole photography with children from about age 8, always with an adult: seeing the image in a camera obscura, loading, setting up, developing. Who does what, how a session runs...
How to dispose of darkroom chemicals: safety from developer to cyanotype
What to do with used fixer, developer and cyanotype baths: safety habits during the session, the disposal route via a household waste recycling centre, potassium ferricyanide, and the rules with...
How to dispose of darkroom chemicals: safety from developer to cyanotype
What to do with used fixer, developer and cyanotype baths: safety habits during the session, the disposal route via a household waste recycling centre, potassium ferricyanide, and the rules with...
Worldwide Pinhole Photography Day: the date, the rules and how to join in
Worldwide Pinhole Photography Day takes place on the last Sunday of April every year, next on 25 April 2027. Date, rules, preparation, scanning and sending your photo, on your own,...
Worldwide Pinhole Photography Day: the date, the rules and how to join in
Worldwide Pinhole Photography Day takes place on the last Sunday of April every year, next on 25 April 2027. Date, rules, preparation, scanning and sending your photo, on your own,...
Alternative photographic processes, from the daguerreotype to cyanotype
Historical photographic processes, from Niépce's heliography to platinum: camera or printing process, dates, inventors, look, and the two simple routes to try at home, the pinhole camera and cyanotype.
Alternative photographic processes, from the daguerreotype to cyanotype
Historical photographic processes, from Niépce's heliography to platinum: camera or printing process, dates, inventors, look, and the two simple routes to try at home, the pinhole camera and cyanotype.


