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QUALITY OF ILLUMINATION EXPERIMENTAL TESTS PeleuouNr-Faltous-Lesxv Conr'x.-Pounnor Dnpenrlrnwr-JuNn 15rn. 1g2g. (1) Trys test was made on several.Eeometric objects namely Octagonal Sphere, Cone, Sphere C.ylinder lisht and Cube, neutral erev tone.(very all of a lifht m-ouse;, to aete.-int th;'if;;;fi"i'"1i"? ii" itt'a"r'"tiili"i"itjighi in terms of ;;;": w[ite, middie ""egative t
Film Used Close-ups Con't Sphere Cylirlder Cube Eastmen Plain Negativo " Reg. Pancbro Type No. 1 " New No.2 Dupont Panchromatic "l%Tffi!'J" {$Ji."f""*- r[uminometer Joo:l;1"10"." KeadrDgs lbffi;- fncan, Arc 3 Lrc2 arc Incan. Arc 3 feet 10 t0 10 10 10 295.8 296.6 17 .2 16.9 feet 10 10 l0 10 10 N6 292.8 to feet 10 10 10 10 10 299.5 297 .5 17.9 19.3 Ieet l0 10 10 10 l0 295.7 295 feet l0 10 10 l0 l0 297.6 t7 .2 16.5 feet 10 10 10 IO IO 293.6 12.7 t4.2 2 Arc Incan. Arc 3 Arc 2 | Arc ^rc feet feot feet feet t0 10 10 l0 10 10 10 10 i["' 10 10 10 l0 t0 10 10 10 10 10 10 10 298.9 19.5 295 18 19.5 294.5 297 .3 lo.o loD 294.7 ns.2 70.7 lif ;#{tg 13 I 13 E: u]€l I0 | 'o d; H.rf E 297.8 | 290.5^t22tt. 2e6.7 2es at10 ', 15.6 | 13.58t10,' 15.8 I 14.bat 4,, Cmera 28 ft. from Objects on Long Shots. Camera 14 ft. from Objects on Closo-up Shots. All Arc Spots at 28 ft. from Objects and 23 ft. Left of Center. All Arc Brods at 15 ft. from Objects and 10 ft. Right of Center { Incandescent Brod at 15 it. from Objects and 10 ft. Right of Center. Incandescent Spot at 17 ft. from Objects and 17 ft. Left of Center . The 1200 ft. of tests taken are titled and assembled in continuity to correspond with the aboye chart. (6) Sp*riip-h:!!!:!i!c_Tests ol the three Panchromatic Emulsions heretofore used give a relative density comparison in the various spectral reEions as desienated. One 250 WT'Mazda Piojection GlSbe was used as the lisht source. One-half second exposure was given in each test. Development was 8 minutes in Borax developer at 6g' F. All conditions in handling these tests were exictly the same. {astmal Type No,. 2is ar-bitrarily Xlecte{to indj6atS a normal exposure fo_r comparative densities. (This selection does not o""u.t1tl,J-Tq9rk tl?t-_lyt-"_lp-'2 P-ylfl.qn is a.truly,,normal test but for our purposeis acting as a basis of comparison under the above mentioned conditions of handling.i Wavn Lnncrn Coupenerrvp Dnwsrrrns of the Color of the Limits of the Color Wave Length Position at Exposure Eastman Reg. Type No. 1 Panchromatic Eastman New Type No. 2 Panchromatic Dupont Panchiomatic fnfra Red Red Orarige Yellow and I Yellow GreenI Green and I Blue Green ( Bright Blue I and-Indigo I Violet Ultra Violet 800 663 610 OID 526 472 440 400 525 600 550 490 450 430 800 750 500 DCU 510 455 425 Approx. 8 times less than Type No. 2 Approx. 8 times less than Type No. 2 Approx. 6 times less than Type No. 2 Approx. 4 times less than Type No. 2 Approx. 3 tirnes less than Type No. 2 Approx. I trmes less than Type No. 2 No Trace No Trace x Normal x Normal x Normal x Normal x Normal x Normal No Trace No Trace Normal Slightly more than Type No.2 Slightl!--more than Type No. 2 Normal Slightly less than Type No.2 Slightlj'-less than Type No. 2 No Trace (x) (Eastman fvne No. 2 is arbitrarily selected to indicate a normal exposure for comparative densities. l'his selection does not necessarily- indicate. that Type No. 2 Emulsion is a truly nbrmal tesi fut 6r our purpose is acting as a basis of comparison under the above mentioned conditions of iianajinE.t 177l
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ACADEMY RE,PORTS lNo. 1l INCAI{T}ES
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Academy of Copyrighted By the Motio
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INTRODUCTORY STATEMENT The followin
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ment supplied {or carrying out this
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was discussed at some length with t
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lamp or globe replacements, as comp
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COMMENTS ON LABOR COSTS Although no
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amount to be moved. Undoubtedly, th
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g "Heat is too great and leak light
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"In regard to value, the tests have
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ROOSEVELT The following'scenes were
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QursrroN: What color filters were u
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morning. But now, through the balan
Page 28 and 29: portant fields for experiment in co
Page 30 and 31: make-up is a great help in keeping
Page 32 and 33: is best defined by stating the rela
Page 34 and 35: photometric curves, they serve to s
Page 36 and 37: divided into three equal portions r
Page 38 and 39: We can now apply the various fundam
Page 40 and 41: of energy radiated by tungsten in t
Page 42 and 43: high temperatures and it is quite h
Page 44 and 45: to reduce this radiation is to use
Page 46 and 47: FIGURE V] 16 mm. High Intensitv Whi
Page 48 and 49: X is the reproduction of a color ch
Page 50 and 51: Carbon Arc and Incandescents in the
Page 52 and 53: Since there is a steady diminution
Page 54 and 55: to refer to a test which was recent
Page 56 and 57: the plane perpendicular to the line
Page 58 and 59: lenses used in motion picture photo
Page 60 and 61: ':t FINAL SESSION OF THE ACADEMY I
Page 62 and 63: tubes have been practically discard
Page 64 and 65: lended together to more efficiently
Page 66 and 67: ought together all the various Bran
Page 68 and 69: matographers and the Society of Mot
Page 70 and 71: T Y P E o F N C .at N D E C E N T E
Page 72 and 73: T Y P E F N C o N D E c E N T E a U
Page 74 and 75: o T Y P E F N C n N DESC (NOT FOR S
Page 76 and 77: TYPES OF INCANDESCE.NT EQUIPMENT Me
Page 80 and 81: BIBLIOGRAPHY "Effective Application
Page 82: PRODUCERS E. II. Allen E. M. Asher
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