Optical Parameter

T=1%-4%@400-680nm
 

Test Plot(demonstration)

Test Data(demonstration)

     Neutral Density Filter
  from www.accuteoptical.com    
   Test Data of NDFA-2

WL		Trans
200		0
201		0
202		0
203		0
204		0
205		0
206		0
207		0
208		0
209		0
210		0
211		0
212		0
213		0
214		0
215		0
216		0
217		0
218		0
219		0
220		0
221		0
222		0
223		0
224		0
225		0
226		0
227		0
228		0
229		0
230		0
231		0
232		0
233		0
234		0
235		0
236		0
237		0
238		0
239		0
240		0
241		0
242		0
243		0
244		0
245		0
246		0
247		0
248		0
249		0
250		0
251		0
252		0
253		0
254		0
255		0
256		0
257		0
258		0
259		0
260		0
261		0
262		0
263		0
264		0
265		0
266		0
267		0
268		0
269		0
270		0
271		0
272		0
273		0
274		0
275		0
276		0
277		0
278		0
279		0
280		0
281		0
282		0
283		0
284		0
285		0
286		0
287		0
288		0
289		0
290		0
291		0
292		0
293		0
294		0
295		0
296		0
297		0
298		0
299		0
300		0
301		0
302		0
303		0
304		0
305		0
306		0
307		0
308		0
309		0
310		0
311		0
312		0
313		0
314		0
315		0
316		0
317		0
318		0
319		0
320		0
321		0
322		0
323		0
324		0
325		0
326		0
327		0
328		0
329		0
330		0
331		0
332		0
333		0
334		0
335		0
336		0
337		0
338		0
339		0
340		0
341		0
342		0
343		0
344		0
345		0
346		0
347		0
348		0
349		0
350		0
351		0
352		0
353		0
354		0
355		0
356		0
357		0
358		0
359		0
360		0.019
361		0.034
362		0.0527
363		0.0714
364		0.0977
365		0.126
366		0.1509
367		0.1785
368		0.2066
369		0.2244
370		0.2491
371		0.2506
372		0.2508
373		0.2501
374		0.2424
375		0.2348
376		0.2333
377		0.2337
378		0.2485
379		0.2809
380		0.3174
381		0.367
382		0.4312
383		0.5018
384		0.5822
385		0.6741
386		0.7786
387		0.8821
388		0.9852
389		1.0909
390		1.1845
391		1.2702
392		1.3609
393		1.4446
394		1.5227
395		1.606
396		1.6878
397		1.7619
398		1.8289
399		1.8828
400		1.9338
401		1.9682
402		2.0052
403		2.0341
404		2.0584
405		2.0757
406		2.0944
407		2.0991
408		2.1068
409		2.1111
410		2.1217
411		2.125
412		2.1311
413		2.1401
414		2.1576
415		2.1742
416		2.1912
417		2.2151
418		2.2391
419		2.2656
420		2.2909
421		2.3154
422		2.3402
423		2.3667
424		2.3908
425		2.4193
426		2.4405
427		2.4645
428		2.4838
429		2.4989
430		2.5084
431		2.5145
432		2.5149
433		2.5068
434		2.5031
435		2.4925
436		2.4832
437		2.4752
438		2.4708
439		2.4562
440		2.4583
441		2.464
442		2.4762
443		2.4914
444		2.5034
445		2.5287
446		2.565
447		2.5972
448		2.6416
449		2.6825
450		2.761
451		2.8087
452		2.84
453		2.8799
454		2.9087
455		2.9455
456		2.9775
457		3.0029
458		3.0204
459		3.048
460		3.055
461		3.0629
462		3.0611
463		3.0667
464		3.0601
465		3.0547
466		3.0455
467		3.0347
468		3.0178
469		2.9977
470		2.9827
471		2.9704
472		2.9482
473		2.9313
474		2.9065
475		2.8817
476		2.8606
477		2.8403
478		2.8105
479		2.7881
480		2.7618
481		2.7468
482		2.7195
483		2.6969
484		2.6823
485		2.6514
486		2.6341
487		2.6032
488		2.5884
489		2.5688
490		2.5519
491		2.5396
492		2.5201
493		2.5058
494		2.4886
495		2.4755
496		2.4622
497		2.447
498		2.4374
499		2.4228
500		2.414
501		2.4028
502		2.3937
503		2.3844
504		2.3749
505		2.3682
506		2.362
507		2.35
508		2.3463
509		2.3456
510		2.3476
511		2.3422
512		2.3444
513		2.3384
514		2.3417
515		2.3477
516		2.3446
517		2.3471
518		2.3549
519		2.3597
520		2.3684
521		2.3709
522		2.38
523		2.3824
524		2.3918
525		2.399
526		2.4108
527		2.4302
528		2.4444
529		2.4536
530		2.4641
531		2.4801
532		2.493
533		2.5003
534		2.5208
535		2.5287
536		2.5384
537		2.5579
538		2.5719
539		2.5839
540		2.5937
541		2.5966
542		2.6053
543		2.6148
544		2.6181
545		2.6226
546		2.6206
547		2.6317
548		2.6367
549		2.6406
550		2.6334
551		2.6296
552		2.6291
553		2.6207
554		2.6146
555		2.608
556		2.6016
557		2.5976
558		2.5784
559		2.5707
560		2.5579
561		2.5443
562		2.5276
563		2.519
564		2.4996
565		2.474
566		2.4561
567		2.4376
568		2.4193
569		2.398
570		2.3831
571		2.3538
572		2.339
573		2.3251
574		2.3053
575		2.2773
576		2.2575
577		2.2355
578		2.221
579		2.1983
580		2.1865
581		2.1642
582		2.1523
583		2.1359
584		2.1269
585		2.113
586		2.1191
587		2.1071
588		2.0972
589		2.0946
590		2.0908
591		2.0824
592		2.0814
593		2.0763
594		2.0834
595		2.0845
596		2.0985
597		2.0959
598		2.1045
599		2.1159
600		2.1245
601		2.1328
602		2.1438
603		2.1555
604		2.1683
605		2.1724
606		2.1906
607		2.1995
608		2.2114
609		2.2322
610		2.2462
611		2.2602
612		2.2708
613		2.2755
614		2.2965
615		2.3135
616		2.3241
617		2.336
618		2.3496
619		2.3646
620		2.3771
621		2.3849
622		2.3939
623		2.4034
624		2.4099
625		2.419
626		2.4246
627		2.43
628		2.4378
629		2.4394
630		2.4418
631		2.4477
632		2.4489
633		2.4412
634		2.4507
635		2.4485
636		2.448
637		2.4477
638		2.4449
639		2.4444
640		2.4469
641		2.4516
642		2.4506
643		2.4532
644		2.4579
645		2.4587
646		2.4639
647		2.4707
648		2.4751
649		2.481
650		2.4914
651		2.5077
652		2.5141
653		2.5253
654		2.539
655		2.5478
656		2.5688
657		2.589
658		2.6132
659		2.6464
660		2.6738
661		2.6972
662		2.726
663		2.7562
664		2.7967
665		2.8286
666		2.8734
667		2.916
668		2.9676
669		3.0056
670		3.0644
671		3.1097
672		3.1595
673		3.2109
674		3.2683
675		3.3325
676		3.4022
677		3.4796
678		3.5545
679		3.6285
680		3.7053
681		3.7832
682		3.8587
683		3.9427
684		4.0187
685		4.0958
686		4.1969
687		4.2888
688		4.375
689		4.4654
690		4.541
691		4.6286
692		4.7058
693		4.7923
694		4.874
695		4.954
696		5.043
697		5.1213
698		5.2046
699		5.2868
700		5.3565
701		5.4199
702		5.4851
703		5.5457
704		5.617
705		5.6755
706		5.7395
707		5.7998
708		5.8533
709		5.9138
710		5.9666
711		6.0068
712		6.0443
713		6.0883
714		6.1215
715		6.1726
716		6.2029
717		6.227
718		6.2672
719		6.3047
720		6.3213
721		6.3495
722		6.3738
723		6.3877
724		6.4036
725		6.4284
726		6.4522
727		6.4728
728		6.4851
729		6.506
730		6.5213
731		6.5267
732		6.5477
733		6.54
734		6.5584
735		6.573
736		6.5703
737		6.584
738		6.5882
739		6.5932
740		6.6046
741		6.6003
742		6.5998
743		6.5989
744		6.6044
745		6.6044
746		6.5975
747		6.5922
748		6.5912
749		6.5916
750		6.5954
751		6.5786
752		6.586
753		6.5775
754		6.5744
755		6.5787
756		6.5664
757		6.55
758		6.5488
759		6.5392
760		6.5254
761		6.5318
762		6.5234
763		6.51
764		6.5066
765		6.4925
766		6.4805
767		6.4693
768		6.4564
769		6.4459
770		6.4318
771		6.422
772		6.4277
773		6.3985
774		6.3848
775		6.3825
776		6.3658
777		6.3489
778		6.3409
779		6.3244
780		6.301
781		6.2962
782		6.2721
783		6.2721
784		6.2452
785		6.2429
786		6.2218
787		6.2009
788		6.1892
789		6.1669
790		6.1546
791		6.1397
792		6.1272
793		6.1029
794		6.0898
795		6.0788
796		6.0649
797		6.0422
798		6.0309
799		5.9994
800		5.9861
801		5.9726
802		5.9487
803		5.9355
804		5.9219
805		5.9062
806		5.878
807		5.8615
808		5.8451
809		5.8315
810		5.8112
811		5.7823
812		5.7661
813		5.7548
814		5.7342
815		5.7188
816		5.6831
817		5.6741
818		5.6552
819		5.6384
820		5.6079
821		5.5981
822		5.5711
823		5.5604
824		5.5496
825		5.5258
826		5.4978
827		5.4858
828		5.4637
829		5.4344
830		5.4174
831		5.3834
832		5.3781
833		5.3679
834		5.3363
835		5.3195
836		5.2979
837		5.2747
838		5.2592
839		5.2408
840		5.2227
841		5.2023
842		5.1814
843		5.1613
844		5.1399
845		5.1263
846		5.1044
847		5.0765
848		5.0647
849		5.0423
850		5.0214
851		5.0058
852		4.9824
853		4.9687
854		4.9475
855		4.9299
856		4.9036
857		4.8808
858		4.8488
859		4.8404
860		4.8196
861		4.8084
862		4.7842
863		4.7711
864		4.7489
865		4.7215
866		4.7048
867		4.6901
868		4.6706
869		4.658
870		4.6307
871		4.6199
872		4.6066
873		4.5857
874		4.5707
875		4.5505
876		4.5285
877		4.5112
878		4.4854
879		4.4644
880		4.4453
881		4.4308
882		4.4177
883		4.4041
884		4.3916
885		4.369
886		4.3543
887		4.3305
888		4.3099
889		4.2928
890		4.2817
891		4.2543
892		4.2449
893		4.229
894		4.2148
895		4.202
896		4.1836
897		4.1631
898		4.1476
899		4.1278
900		4.1113
901		4.0998
902		4.086
903		4.0709
904		4.0577
905		4.038
906		4.0283
907		4.0061
908		3.9934
909		3.9789
910		3.9646
911		3.9456
912		3.9416
913		3.9189
914		3.9053
915		3.883
916		3.8831
917		3.8596
918		3.8424
919		3.8371
920		3.8184
921		3.8042
922		3.7921
923		3.7879
924		3.7778
925		3.7613
926		3.7427
927		3.7241
928		3.708
929		3.7036
930		3.6865
931		3.6842
932		3.6659
933		3.6527
934		3.6515
935		3.6357
936		3.6219
937		3.6042
938		3.5941
939		3.5807
940		3.5711
941		3.5651
942		3.5499
943		3.5379
944		3.5163
945		3.5126
946		3.5037
947		3.4894
948		3.4816
949		3.4663
950		3.4365
951		3.4493
952		3.4319
953		3.4237
954		3.4153
955		3.407
956		3.4008
957		3.3819
958		3.3784
959		3.3671
960		3.3591
961		3.3502
962		3.3387
963		3.3327
964		3.3254
965		3.3124
966		3.3102
967		3.3001
968		3.2902
969		3.2814
970		3.2718
971		3.2632
972		3.2597
973		3.2514
974		3.241
975		3.2364
976		3.2208
977		3.2124
978		3.2058
979		3.1927
980		3.1914
981		3.1794
982		3.1677
983		3.1661
984		3.1551
985		3.1465
986		3.1454
987		3.1323
988		3.1264
989		3.1174
990		3.1163
991		3.1062
992		3.1024
993		3.0919
994		3.0909
995		3.0774
996		3.0719
997		3.0706
998		3.0682
999		3.0619
1000		3.0498

   Test Data of NDFA-02
For more info contact us right now!
   info@accuteoptical.com

NDF Filters with Other Transmission

10% NDF Filter，50% NDF Filter

Remark

All above test plot and data is FYI.We’re sorry if we’re unable to update them in time.