Calotype39
Process- dry waxed calotype, Dr Keith Iodiser with KI, KBr, NaCl, free Iodine, camphor oil and Lactose
Sensitizer no 1,
washed 2 x 8 min, pressed dry, used same day
Exposure: open shade on sunny day 24 C, 3.30 pm, white board used as reflector for deeper shade
exposure time 45 s at f/3,6 Petzval lens
Processed the morning after
Developer 0,6 % gallic acid, spiked with Silver Nitrate 3 times, after 5 min, 25 and 40. Total development floating on 300 ml solution for 55 min, constant agitation
washed 10 min in still water
fixed 2 x 10 min
washed running water 1 hour +
dried between blotters
Calotype39
Process- dry waxed calotype, Dr Keith Iodiser with KI, KBr, NaCl, free Iodine, camphor oil and Lactose
Sensitizer no 1,
washed 2 x 8 min, pressed dry, used same day
Exposure: open shade on sunny day 24 C, 3.30 pm, white board used as reflector for deeper shade
exposure time 45 s at f/3,6 Petzval lens
Processed the morning after
Developer 0,6 % gallic acid, spiked with Silver Nitrate 3 times, after 5 min, 25 and 40. Total development floating on 300 ml solution for 55 min, constant agitation
washed 10 min in still water
fixed 2 x 10 min
washed running water 1 hour +
dried between blotters