Shortpass Filter / UV 265nm | Asahi Spectra USA Inc.

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XUS0265 Shortpass Filter / UV 265nm 25mm dia.

The following actual transmission curve is shown only for your reference.

Show

FAQ for the transmission of longer wavelength.

nm / %

 365.0  42.0553
 364.5  40.1567
 364.0  38.6014
 363.5  37.2346
 363.0  36.2162
 362.5  35.3765
 362.0  34.7554
 361.5  34.4153
 361.0  34.2900
 360.5  34.4201
 360.0  34.7852
 359.5  35.4095
 359.0  36.3378
 358.5  37.6066
 358.0  39.2300
 357.5  41.3101
 357.0  43.8222
 356.5  46.8923
 356.0  50.6002
 355.5  55.0033
 355.0  60.0752
 354.5  65.8977
 354.0  72.1589
 353.5  78.5035
 353.0  84.4142
 352.5  89.0099
 352.0  91.5940
 351.5  91.5709
 351.0  88.6018
 350.5  83.1007
 350.0  75.5620
 349.5  66.9812
 349.0  57.6195
 348.5  49.3541
 348.0  42.3554
 347.5  36.0668
 347.0  30.8518
 346.5  26.6168
 346.0  23.2284
 345.5  20.3379
 345.0  18.0632
 344.5  16.2470
 344.0  14.7657
 343.5  13.5545
 343.0  12.6299
 342.5  11.9337
 342.0  11.3686
 341.5  10.9860
 341.0  10.8152
 340.5  10.8154
 340.0  10.9384
 339.5  11.3281
 339.0  12.0308
 338.5  13.0741
 338.0  14.6554
 337.5  17.0790
 337.0  20.8793
 336.5  27.0621
 336.0  36.3983
 335.5  48.0146
 335.0  59.4265
 334.5  66.5825
 334.0  66.1641
 333.5  57.5918
 333.0  43.8846
 332.5  29.6329
 332.0  18.2053
 331.5  10.7950
 331.0   6.6322
 330.5   4.3136
 330.0   2.9560
 329.5   2.1014
 329.0   1.5376
 328.5   1.1563
 328.0   0.8853
 327.5   0.6933
 327.0   0.5483
 326.5   0.4430
 326.0   0.3614
 325.5   0.2963
 325.0   0.2470
 324.5   0.2068
 324.0   0.1747
 323.5   0.1488
 323.0   0.1277
 322.5   0.1096
 322.0   0.0957
 321.5   0.0834
 321.0   0.0730
 320.5   0.0640
 320.0   0.0568
 319.5   0.0518
 319.0   0.0448
 318.5   0.0403
 318.0   0.0368
 317.5   0.0329
 317.0   0.0301
 316.5   0.0279
 316.0   0.0254
 315.5   0.0229
 315.0   0.0214
 314.5   0.0196
 314.0   0.0186
 313.5   0.0175
 313.0   0.0159
 312.5   0.0143
 312.0   0.0139
 311.5   0.0132
 311.0   0.0125
 310.5   0.0121
 310.0   0.0114
 309.5   0.0108
 309.0   0.0099
 308.5   0.0098
 308.0   0.0096
 307.5   0.0089
 307.0   0.0087
 306.5   0.0087
 306.0   0.0084
 305.5   0.0079
 305.0   0.0078
 304.5   0.0075
 304.0   0.0072
 303.5   0.0068
 303.0   0.0071
 302.5   0.0070
 302.0   0.0066
 301.5   0.0070
 301.0   0.0069
 300.5   0.0065
 300.0   0.0060
 299.5   0.0067
 299.0   0.0069
 298.5   0.0069
 298.0   0.0064
 297.5   0.0074
 297.0   0.0067
 296.5   0.0067
 296.0   0.0068
 295.5   0.0069
 295.0   0.0069
 294.5   0.0073
 294.0   0.0072
 293.5   0.0085
 293.0   0.0072
 292.5   0.0078
 292.0   0.0085
 291.5   0.0088
 291.0   0.0086
 290.5   0.0098
 290.0   0.0096
 289.5   0.0100
 289.0   0.0105
 288.5   0.0116
 288.0   0.0119
 287.5   0.0128
 287.0   0.0134
 286.5   0.0143
 286.0   0.0154
 285.5   0.0162
 285.0   0.0183
 284.5   0.0198
 284.0   0.0216
 283.5   0.0241
 283.0   0.0261
 282.5   0.0289
 282.0   0.0329
 281.5   0.0372
 281.0   0.0416
 280.5   0.0469
 280.0   0.0535
 279.5   0.0622
 279.0   0.0716
 278.5   0.0841
 278.0   0.0974
 277.5   0.1148
 277.0   0.1375
 276.5   0.1649
 276.0   0.1977
 275.5   0.2420
 275.0   0.2958
 274.5   0.3679
 274.0   0.4581
 273.5   0.5780
 273.0   0.7387
 272.5   0.9490
 272.0   1.2365
 271.5   1.6373
 271.0   2.1743
 270.5   2.9420
 270.0   4.0352
 269.5   5.5349
 269.0   7.7100
 268.5  10.7411
 268.0  14.9055
 267.5  20.5406
 267.0  27.5191
 266.5  36.0994
 266.0  45.4582
 265.5  55.0389
 265.0  64.2620
 264.5  71.9995
 264.0  78.1630
 263.5  82.8288
 263.0  86.0935
 262.5  88.3525
 262.0  90.0308
 261.5  91.2503
 261.0  92.2171
 260.5  92.9874
 260.0  93.5768
 259.5  94.0176
 259.0  94.2065
 258.5  94.3094
 258.0  94.2340
 257.5  94.1096
 257.0  93.9677
 256.5  93.8461
 256.0  93.7590
 255.5  93.7538
 255.0  93.8347
 254.5  93.9675
 254.0  94.0814
 253.5  94.2428
 253.0  94.3685
 252.5  94.3837
 252.0  94.3982
 251.5  94.1095
 251.0  93.8192
 250.5  93.3910
 250.0  92.8713
 249.5  92.3362
 249.0  91.7142
 248.5  91.1953
 248.0  90.7556
 247.5  90.4250
 247.0  90.2155
 246.5  90.1550
 246.0  90.3044
 245.5  90.5610
 245.0  90.9364
 244.5  91.4642
 244.0  91.9604
 243.5  92.4933
 243.0  92.9279
 242.5  93.2563
 242.0  93.4963
 241.5  93.5730
 241.0  93.5243
 240.5  93.3452
 240.0  93.0343
 239.5  92.7207
 239.0  92.3471
 238.5  92.0289
 238.0  91.7140
 237.5  91.4729
 237.0  91.2614
 236.5  91.0758
 236.0  90.8618
 235.5  90.6292
 235.0  90.2986
 234.5  89.9004
 234.0  89.4070
 233.5  88.8385
 233.0  88.2309
 232.5  87.5664
 232.0  86.8904
 231.5  86.2915
 231.0  85.7087
 230.5  85.1607
 230.0  84.6310
 229.5  84.0807
 229.0  83.3714
 228.5  82.5601
 228.0  81.5612
 227.5  80.3932
 227.0  79.0515
 226.5  77.5832
 226.0  76.0581
 225.5  74.5394
 225.0  73.0919
 224.5  71.7742
 224.0  70.5807
 223.5  69.4546
 223.0  68.3672
 222.5  67.2603
 222.0  66.0379
 221.5  64.6279
 221.0  63.0153
 220.5  61.2086
 220.0  59.1919
 219.5  57.1125
 219.0  54.9260
 218.5  52.7378
 218.0  50.5311
 217.5  48.3202
 217.0  46.0722
 216.5  43.7242
 216.0  41.2937
 215.5  38.8291
 215.0  36.2257
 214.5  33.6958
 214.0  31.2267
 213.5  28.7896
 213.0  26.4888
 212.5  24.3005
 212.0  22.1771
 211.5  20.1848
 211.0  18.2786
 210.5  16.4463
 210.0  14.7435
 209.5  13.1285
 209.0  11.6401
 208.5  10.2881
 208.0   9.0381
 207.5   7.9053
 207.0   6.8832
 206.5   5.9541
 206.0   5.1351
 205.5   4.3811
 205.0   3.7188
 204.5   3.1384
 204.0   2.6325
 203.5   2.1827
 203.0   1.7932
 202.5   1.4691
 202.0   1.1882
 201.5   0.9512
 201.0   0.7588
 200.5   0.5934
 200.0   0.4613

Specifications

Description

Shortpass Filter / UV 265nm

Item#

XUS0265

Size

25mm dia.

Clear Aperture

23mm dia.

Thickness

1mm

Substrate

Fused Silica

Cut-off

265nm

Cut-off Tolerance

+5/-5nm

Angle of Incidence (AOI)

0 degree

Price

$200

Estimated Ship Date from Japan

3 days

Specifications are subject to change without notice.

Refer to the ordering information, "Shipping" section for the detail.

If you are not satisfied with our standard filters, contact us for custom filters.