calotype-tulips_0083-inv
Inverted digitally from an original calotype negative
Whey iodiser (classic Pelegry iodiser) .
Exposed 2 weeks after sensitization (batch 4-no4 cut in two) in open shadow midday, sunny blue sky 2.3.12.
Magic Lantern lens f/3.6 for 5 min, close up, no glass covering the negative.
Developed for 1,5 hr standard developer (100 ml of 0,8% gallic acid, 2 ml 7,5% AgNO3 together with 10 drops of acetic acid added after 10 min)
calotype-tulips_0083-inv
Inverted digitally from an original calotype negative
Whey iodiser (classic Pelegry iodiser) .
Exposed 2 weeks after sensitization (batch 4-no4 cut in two) in open shadow midday, sunny blue sky 2.3.12.
Magic Lantern lens f/3.6 for 5 min, close up, no glass covering the negative.
Developed for 1,5 hr standard developer (100 ml of 0,8% gallic acid, 2 ml 7,5% AgNO3 together with 10 drops of acetic acid added after 10 min)