HSC200H5 Lecture Notes - Lecture 7: Henry Fox Talbot, American Civil War, Kodak

• School: UTM
• Department: Biomedical Communications
• Course: HSC200H5
• Professor: Dave Mazierski

Document Summary

Whereas with a drawing, one can remove any unnecessary info. If you have a room with a tiny hole, the light coming through will create a picture on the opposite wall. Joseph jacque mand danguerre: (cid:862)da(cid:374)guerrotypes(cid:863), sil(cid:448)er o(cid:374) sil(cid:448)er photo (they (cid:449)ere o(cid:374)e-offs, you (cid:272)ould(cid:374)"t (cid:272)opy the(cid:373) unique moment in time, silver on copper plate and more, this method is unstable because they degrade over time. Henry fox talbot: de(cid:448)eloped (cid:449)ays of getti(cid:374)g salts o(cid:374)to paper & further rea(cid:272)ti(cid:374)g to light (so it (cid:449)ould(cid:374)"t darken over time, negative to positive. Matthew brady: documented american civil war. Kodak brownie (1900) (cid:862)you push the (cid:271)utto(cid:374), (cid:449)e do the rest(cid:863) Kodak would send you the pictures developed & a new brownie loaded with film. Variables that affect exposure: shutter speed, aperture of lens (f/stop, sensitivity of photoreceptor (asa/iso rating) By controlling all these elements, you control what kind of image you produce.