Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 47
should dismiss the aimof producing an extravagant visualcandlepower. The selection of theilluminant would naturally be affected bythe selective sensitiveness of the film.(I was recently informed that the KodakCo. are modifying the sensitiveness oftheir films and would like to know whatdifference,… … 4(tn. 36 38ULTRA VI0LET- 42 44 46 46 SO 52 54 56 58 60 62 64 66 66 70U- VISIBLE SPECTRUM- SENSIBILITY CURVE OF THE ORDINARY PHOTOGRAPHIC PLATE.VIOI.KT ORKES YKI.I.oW BBD -> 1XFKA-KKH Fig. 1.—Illustrating Photographic Intensity (a) and visual sensitiveness at low illuminations(i.) and high…
Lighting
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