CIBSE/1 Lighting Photometry Catalogue Number PI/22 70W SON-T Pos 3 JW (UK) Ltd Lantern with SGS203 Optic 70W SON-T PLUS 1 1 .43 .43 .82 1 85 94 0 55 34 0 5 10 15 17.5 20 22.5 25 27.5 30 32.5 35 37.5 40 42.5 45 47.5 50 52.5 55 57.5 60 62.5 65 67.5 70 72.5 75 77.5 80 82.5 85 87.5 90 92.5 95 97.5 100 102.5 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 270 275 280 285 300 310 315 320 325 330 335 340 345 350 355 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 2.7 3.3 5.4 7.2 7.5 7.5 7.8 8.2 8.2 8.2 12.1 15.7 16 16 21.4 26.6 38.3 49.8 48.3 46.8 41.7 36.2 31.1 26 20.8 15.4 12.1 8.5 6.3 4.2 3 1.8 1.5 1.2 1.1 .9 .9 .9 .9 .9 .9 1.2 1.2 1.8 4.5 5.7 5.4 3.3 1.5 .9 .6 0 0 0 0 2.7 3.2 6.8 37 36.2 35.3 37.3 38.9 41.7 44.2 48.3 52.4 48.9 45.3 50 54.3 66.3 77.9 72.8 67.3 57.1 46.6 39.2 31.7 26.3 20.7 17.2 13.6 9.7 5.4 3.8 2.1 1.7 1.4 1.2 1.1 1 .9 .9 .9 1.1 1.2 1.4 1.7 5.3 6.3 5.9 4.1 2 .9 .9 .3 0 0 0 2.7 2.9 7.2 45.9 52 58.1 62.6 66.9 70.2 73.4 81.4 89.1 82 74.8 78 81.1 91.2 101.1 90.7 80.2 64.2 47.9 38.9 29.8 24.4 18.9 15.2 11.3 8.3 5.1 3.6 2.1 1.7 1.3 1.2 1.2 1.1 .9 .9 .9 1.1 1.2 1.4 1.7 4.8 6 5.7 4 2 1.1 .9 .5 0 0 0 2.7 2.9 7.8 59.2 63.4 67.6 71.7 75.6 74.6 73.5 86.6 99.5 88.6 77.6 81.5 85.3 93.4 101.4 89.4 77.3 61.7 46 36.7 27.2 22.5 17.7 14.3 10.9 8 4.8 3.5 2.3 1.7 1.2 1.2 1.2 1.1 .9 .9 .9 1.1 1.2 1.4 1.7 4.8 6.3 6 4.2 2 1.1 1.1 .3 0 0 0 2.7 3.5 7.4 63.2 64.2 64.9 70 74.9 76.1 77.1 83.6 89.8 85.4 80.8 86.8 92.7 98.3 103.5 96.8 89.8 71.4 52.8 39.4 25.7 21.6 17.4 13.6 9.8 7.4 4.7 3.3 2 1.6 1.2 1.1 1.1 1 .9 .9 .9 .9 1.2 1.4 2.4 4.5 6.5 6.3 3.8 1.8 1.2 .9 .3 0 0 0 2.7 3.5 7.6 64.2 65.8 67.2 71.9 76.4 79.7 83 86 88.9 87 84.9 86.8 88.6 90.4 92.2 89.7 87.1 74.4 61.6 42.6 23.4 19.5 15.3 12.5 9.6 7.1 4.5 3.2 1.9 1.5 1.2 1.1 1.1 1 .9 .9 .9 1 1.2 1.6 2.5 4.4 6.1 5.8 3.6 1.6 1.2 1 .3 0 0 0 2.7 3.5 7.7 64.6 66.6 68.4 72.8 77.1 81.5 85.9 87.2 88.5 87.9 86.9 86.8 86.5 86.5 86.5 86.2 85.7 75.9 66 44.2 22.3 18.4 14.3 11.9 9.5 6.9 4.4 3.1 1.8 1.5 1.2 1.1 1.1 1 .9 .9 .9 1.1 1.2 1.7 2.6 4.4 5.9 5.6 3.5 1.5 1.2 1.1 .3 0 0 0 2.7 3.5 7.8 60.9 66.7 72.2 76.9 81.6 84.8 88 89.2 90.2 88.5 86.6 84.5 82.4 84.3 86.3 88 89.4 79 68.4 44.9 21.2 17.6 13.8 11.7 9.5 6.8 4.1 2.9 1.8 1.5 1.3 1.2 1.1 1 1 .9 .9 1.1 1.2 1.6 2.6 4.1 5.5 5.2 3.3 1.4 1.1 1.1 .3 0 0 0 2.7 3.5 8 57.3 66.8 76 81.1 86 88.1 90.1 91.1 91.9 89.2 86.2 82.3 78.2 82.2 86.1 89.7 93.1 82.1 70.9 45.6 20.1 16.8 13.2 11.4 9.5 6.7 3.9 2.8 1.7 1.5 1.3 1.2 1.1 1 1 1 .9 1.1 1.2 1.6 2.6 3.9 5.1 4.9 3.1 1.2 1 1.1 .2 0 0 0 2.7 3.5 8.2 53.6 66.9 79.9 85.3 90.4 91.3 92.2 93 93.6 89.8 85.9 80 74.1 80 85.9 91.5 96.8 85.1 73.4 46.3 19 16 12.7 11.2 9.5 6.6 3.6 2.6 1.7 1.5 1.4 1.2 1.1 1.1 1.1 1 .9 1.1 1.2 1.5 2.6 3.6 4.7 4.5 2.9 1.1 .9 1.1 .2 0 0 0 2.7 3.5 9.1 49.8 68.4 86.8 89.7 92.3 93.6 94.9 94.8 94.6 90.7 86.6 81.8 76.8 82.9 89 94.4 99.6 87.2 74.7 47.4 19.9 16.8 13.4 11.4 9.2 6.4 3.5 2.6 1.7 1.5 1.4 1.2 1.1 1.1 1.1 1 1 1.1 1.2 1.5 2.5 3.4 4.3 4.1 2.6 1 .9 1.1 .2 0 0 0 2.7 3.6 10 45.9 70 93.8 94.1 94.1 96 97.7 96.7 95.6 91.5 87.3 83.5 79.5 85.8 92 97.4 102.5 89.4 76.1 48.6 20.7 17.5 14.2 11.7 8.9 6.2 3.4 2.5 1.7 1.5 1.4 1.3 1.2 1.1 1.1 1 1 1.1 1.2 1.4 2.4 3.2 3.9 3.7 2.3 1 .9 1.2 .3 0 0 0 2.7 3.6 10.9 42.1 71.5 100.8 98.6 96 98.3 100.4 98.6 96.6 92.4 88 85.3 82.3 88.8 95.1 100.4 105.4 91.5 77.4 49.7 21.6 18.3 14.9 11.9 8.6 6 3.3 2.5 1.7 1.5 1.4 1.3 1.2 1.1 1.1 1.1 1.1 1.1 1.2 1.4 2.3 3 3.5 3.3 2 .9 .9 1.2 .3 0 0 0 2.7 3.7 11.9 40.7 71 101.4 96 96.4 98.7 100.8 100 99.8 95.4 88.9 86.2 85.6 91.4 98.1 102.4 106.9 97.4 80.4 54.6 24.8 20.1 15.2 11.7 8 5.4 3.3 2.5 1.8 1.6 1.4 1.3 1.2 1.1 1.1 1.1 1.1 1 1.1 1.3 1.9 2.5 3 2.9 1.8 .9 1.1 1.3 .4 0 0 0 2.7 3.7 12.9 39.3 70.5 101.9 93.3 96.8 99.1 101.3 101.5 102.9 98.5 89.7 87.2 88.9 94.1 101 104.4 108.4 103.2 83.4 59.5 27.9 21.9 15.4 11.5 7.4 4.8 3.2 2.5 1.9 1.7 1.5 1.3 1.2 1.1 1.1 1.1 1.1 1 1 1.3 1.6 2 2.6 2.4 1.7 .9 1.2 1.4 .4 0 0 0 2.7 3.8 13.9 37.9 70 102.5 90.7 97.2 99.5 101.7 102.9 106.1 101.6 90.6 88.2 92.2 96.8 104 106.4 109.9 109.1 86.3 64.5 31.1 23.7 15.7 11.3 6.8 4.2 3.2 2.6 2 1.7 1.5 1.4 1.2 1.1 1.1 1.1 1.1 .9 .9 1.2 1.2 1.5 2.1 2 1.5 .9 1.4 1.5 .5 0 0 0 2.7 3.9 13.7 26.1 44.5 59.9 66 73.4 82.3 85.9 91.9 94.9 93.3 89.8 88.6 95.7 106.6 115.9 123.2 123.2 120.5 100.8 75.9 47.4 34 19.6 11.6 6.3 4.2 3.2 2.6 2 1.8 1.7 1.5 1.4 1.3 1.2 1.2 1.2 .9 .9 1.2 1.2 1.5 2.3 2 1.5 .9 1.7 1.4 .3 0 0 0 2.7 3.8 10.4 19.5 35.2 56 60.1 74 92.4 106 113.8 119.4 127.5 128.5 136.9 152.6 174.2 192.2 203.3 204.7 191.2 161.8 116.7 73.5 48 26.1 14.3 6.8 4.8 3.8 3 2.3 2 1.7 1.5 1.4 1.3 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.7 2.1 2.1 1.7 1.2 2 1.4 .3 0 0 0 2.7 3.9 8.8 24 52.2 81.5 95.4 113.1 145.8 164.2 182.3 195.6 203.8 215.6 231.2 258.4 291.3 313.4 322.1 315 286.2 241.1 168 93.7 59.2 31.7 15.2 7.2 4.8 3.8 3 2.3 2 1.7 1.6 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.8 2.3 2.3 1.8 1.4 2.4 2.1 .3 0 0 0 2.7 3.9 9.2 29.4 67.9 109.9 132.5 164.7 215.7 245.3 269.9 289.8 310.9 323.3 339.5 361.7 391 402.1 399 368.8 323.8 261.6 190.3 110 57.1 29.7 15.1 6.9 4.7 3.6 3 2.4 2.1 1.8 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.4 2 2.3 2.3 1.8 1.7 4.4 3.2 .5 0 0 0 2.7 3.9 8.3 36.7 100.5 141.7 171.5 213.4 274.6 310.5 345.4 373.7 401.2 417.7 436.2 442.1 449.4 437.3 408.9 362.3 307 242.4 184.8 105.8 46.5 24.8 13.7 6.3 4.5 3.6 2.9 2.3 2.1 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.4 2.1 2.6 2.4 1.8 2.3 5.3 4.4 .5 0 0 0 2.7 3.9 10.6 42.3 95.4 171.5 200.8 255.6 323.6 361.2 402.1 429.4 455.9 483.3 493 483 456.6 422.2 365 310.5 253.9 196.8 152.2 83.3 39.7 19.8 11.2 5.9 4.2 3.5 2.9 2.3 2 1.8 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.2 2.3 2.6 2.4 2 2.6 5.7 4.4 .5 0 0 0 2.7 3.9 11.6 47.4 98.7 169.1 231.9 296.8 359.4 393.5 432.8 464.9 491.6 506.4 512.3 488.8 441.7 382.5 315.6 248.9 194.3 151.7 121.1 73.5 38 17.4 10.6 5.7 4.4 3.6 3 2.4 2.1 1.8 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.2 2.1 2.7 2.9 2.1 2.7 6.2 5.1 .6 0 0 0 2.7 3.9 13 56.3 103.1 199.7 263.4 324.1 377.2 421.1 451.6 481.2 499.9 509 502.7 469.9 410 333.4 255.9 191.4 151.4 119.9 102 72 32.2 14.9 10.3 5.6 4.5 3.8 3.1 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.4 1.2 1.2 2 2.7 2.9 2.1 2.7 6.5 5.1 .6 0 0 0 2.7 4.2 13.3 61 124.2 229.1 284.1 362.9 417.2 441.5 466 481.5 494.3 498.7 480.5 435.9 375 294.9 211.3 152.5 117.3 99.5 87.4 67.2 28.4 14.3 9.1 5.9 4.7 3.9 3.2 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.4 1.2 1.2 1.5 2.6 2.7 2.1 2.6 6.5 5.9 .6 0 0 0 2.7 3.9 12.2 69.3 123.9 216.6 309.7 378.3 428.5 449.2 459.2 464.2 461.9 456.6 435.2 391 326.8 260.7 192.9 135.2 97.8 83.3 75.8 62.9 27.5 12.1 8.8 5.9 4.5 3.8 3.2 2.6 2.3 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.4 1.2 1.2 1.4 2.4 2.4 2.1 2.4 6.3 5.7 .6 0 0 0 2.7 4.2 12.5 72.2 133.4 243.5 320.3 378 423.1 449.2 453.1 445 435.5 424.8 403 356.8 302.2 243.6 195 141.6 99.6 75 66.1 59 28.2 12.2 8.8 5.7 4.7 3.8 3.2 2.6 2.3 2 1.7 1.5 1.4 1.2 1.2 1.2 1.4 1.4 1.2 1.2 1.4 2.4 2.4 2 2.3 5.9 7.1 .6 0 0 0 2.7 3.9 12.7 83.6 147.5 258.1 333.1 378.1 409.5 432.9 435.6 422 412.7 397.6 370.9 331.2 280.2 232.3 192.5 154.7 114.4 81.4 59 51.6 30.3 11.2 7.5 5.6 4.5 3.8 3.2 2.6 2.3 2 1.7 1.5 1.4 1.2 1.2 1.2 1.5 1.5 1.2 1.2 1.5 2.4 2.4 2.1 2.3 6.9 8.2 .6 0 0 0 2.7 4.1 12.2 82 157.7 242.4 328.2 366.8 392.3 403 401.5 398 389.9 372.5 336.6 290.9 251.5 216.3 185.2 151.1 119.7 80.6 58.4 44.5 25.7 9.7 7.4 5.7 4.5 3.9 3.3 2.7 2.4 2.1 1.8 1.5 1.4 1.2 1.2 1.2 1.4 1.4 1.2 1.2 1.4 2 2 1.8 2 5.3 8.2 .6 0 0 0 2.7 4.1 12.1 83.6 157.7 268.2 337.8 371.8 392.5 405.1 404.2 393.7 379 350.2 302.8 261.9 224.3 190.5 167.9 141 115.8 88.6 62.3 48.5 28.7 10.7 7.7 5.3 4.4 3.8 3.1 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.4 1.4 1.2 1.1 1.2 2.1 2.1 1.8 2 5 6.6 .8 0 0 0 2.7 3.9 12.1 87.5 171.5 254.8 340.2 371.2 389.7 399 395.2 383.6 361.4 325.6 280.6 232 194.6 166.5 144.6 122.9 103.4 79.5 61.4 47.2 27 8.8 6.6 5 4.4 3.8 3.1 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.4 1.4 1.2 1.1 1.2 2.1 2 1.8 1.8 5 6.3 .8 0 0 0 2.7 3.8 11.8 87.5 171.2 277.1 340.7 387.3 395.6 388.8 380.5 368.6 344.2 308.2 261.1 216 176.3 150.5 130.6 117.1 102 74.6 56.8 42.7 23.2 8.2 6.6 4.7 4.1 3.6 3 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.1 1.1 1.7 1.7 1.5 1.7 3.8 7.5 .8 0 0 0 2.7 3.8 11.6 90 168.8 266.3 321.8 368.8 379.8 378.3 359.7 339 307.3 271.3 222.5 171.9 130.1 102.6 84.5 72.6 77.4 48 36.2 29.7 17.4 7.5 6.2 4.7 4.1 3.6 3 2.4 2.2 2 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 1.2 .9 1.1 1.4 1.4 1.4 1.5 4.7 6.6 .8 0 0 0 2.7 3.6 11.2 83.9 169.1 241.2 294.6 341.7 350.2 346 326.3 297.7 266.3 228.2 182.6 133.1 93.3 68.5 46.8 32 21.4 13.9 9.4 7.5 6.3 5.4 5.1 4.5 3.6 3.3 2.9 2.4 2.1 1.8 1.7 1.5 1.4 1.2 1.2 1.2 1.2 1.2 .9 .9 .9 1.2 1.2 1.2 1.5 4.5 6 .6 0 0 0 100 0 0 0