930 PHOTOGRAPHY. • PHOTOGRAPHY Is, II SNOWT)EN WARP, 1 llr s No. 21.-- COLOUR luded). THE EXPOSURE of the ..
... light eluuds. double the exposure*. Strong diffused light with grey sky, three or four times the exposure. 3. 114E0M The Lumiere Brothers say that for le.riraita in the studio with the lens working at J 5 the eximeure will vary between 10iwc. and 30aec ...