Photo: Katja Riedel

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Week 32: A New Experience, 2020

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Katja Riedel Follow Unfollow

“ Two feathers - Cyanotype ”

Cyanotype is an old photographic process that uses two chemicals: ferric ammonium citrate and potassium ferricyanide. The English scientist and astronomer Herschel developed it in 1842. Engineers used the process well into the 20th century to produce copies of drawings, the origin for the word ...

Photo Location: Wellington, New Zealand

This photo qualifies for the "Extra Challenge": Bucket List

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Suzanne Pedersen (Lopez) Edited 4 years ago

Great gallery Katja! I loveee cyanotypes and you really knocked it out of the park here!!! Well done!!

Great gallery Katja! I loveee cyanotypes and you really knocked it out of the park here!!! Well done!!

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Charli Couchman Edited 5 years ago

Oh, that's wonderful. You shot feathers, too, just in a much different way. So pretty! And ambitious you are. I have always loved the simple science experiement of… more

Oh, that's wonderful. You shot feathers, too, just in a much different way. So pretty! And ambitious you are. I have always loved the simple science experiement of laying objects on a specially treated paper in the sun.

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michael-f Edited 5 years ago

Thanks Katja, thanks for the link, in fact, it was a kit like that I used :-) thanks for the link. I also used some perspex but when I did it the wind still moved the… more

Thanks Katja, thanks for the link, in fact, it was a kit like that I used :-) thanks for the link. I also used some perspex but when I did it the wind still moved the glass, so I then has to weigh the glass.

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michael-f Edited 5 years ago

Lovely image Katja -I didn't know that this sort of photography was called cyanotype, despite the fact I did a similar experiment this week. You must have has no wind… more

Lovely image Katja -I didn't know that this sort of photography was called cyanotype, despite the fact I did a similar experiment this week. You must have has no wind or did you expose it indoors? beautiful shot

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