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MidOpt SP Series – VIS Pass Filter SP585

Uniforce Product

Salient Features

Cyan Shortpass Filter 

Applications with an overwhelming amount of orange, red and near-IR light will benefit best from a SP585 filter. Useful for viewing of hot rolled steel to see certain temperature areas while not blinding the system. Often a SP585 filter will be used simultaneously with a neutral density filter.

SP585 Cyan Shortpass Filter MidOpt_SP585_Trans_Graphic

  • Useful Range : 395-575nm
  • Cut-off Wavelength 50% T : 585nm
  • Tolerance : +/- 10nm
  • Minimum Peak Transmission :≥90%
  • Surface Quality : 40/20

The performance of a filter is based on what happens to light passing through the filter. The apparent color of light reflected off the surface is not a reliable way to judge the filter’s capabilities. Batch-to-batch difference in the apparent color of the coatings or filter substrates can often be easily seen when looking at two examples of the same filter type. The color of the coating does not indicate a disparity in performance.

 

Transmission DataAvailable MountsQuote Request

SP585 Transmission Data

wavelength transmission wavelength transmission
(nm) (%) (nm) (%)
1100 64.15 670 0.04
1090 62.69 660 0.05
1080 62.38 650 0.06
1070 63.71 640 0.1
1060 66.84 630 0.17
1050 71.86 620 0.36
1040 78.44 610 0.98
1030 85.69 600 3.74
1020 91.19 590 18.71
1010 91.89 580 61.93
1000 86.59 570 82.93
990 76.97 560 91.12
980 65.92 550 93.56
970 56.36 540 92.15
960 49.73 530 93.52
950 46.36 520 93.78
940 46.49 510 92.53
930 50.8 500 92.83
920 60.41 490 94.06
910 74.71 480 93.77
900 85.28 470 93.27
890 81.33 460 92.97
880 63.31 450 92.57
870 39.34 440 91.12
860 26.29 430 89.39
850 23.57 420 90.22
840 27.12 410 87.26
830 41.39 400 85.89
820 55.15 390 79.33
810 43.83 380 36.9
800 18.22 370 20.97
790 4.56 360 30.77
780 1.39 350 15.59
770 0.57 340 2.68
760 0.29 330 0.08
750 0.15 320 0
740 0.09 310 0
730 0.07 300 0
720 0.05 290 0
710 0.04 280 0
700 0.04 270 0
690 0.03 260 0
680 0.03 250 0

Available Mounts

Threaded Mount

  • Designed for lenses with filter threads, a variety of filter types and stock threaded sizes are available: M13.25-M105
  • Larger sizes, 62mm to 105mm, are made to order and are not returnable
  • Custom thread sizes are available upon request.
  • Threaded mounts are available as black anodized aluminum rings. Rotating mounts with locking thumb screws are generally provided.

Ordering Example:

  • Filter: BP470
  • Mount Size: M27

Correct Part# is:

  • BP470-27

Threaded Mount Technical Drawing PDF

Slip Mount

  • Designed for varifocal lenses, wide angle lenses and lenses without filter threads
  • Accommodates standard threaded mounts
  • Low profile and oversize diameter design prevents wide angle lens vignetting
  • Locking set screws and a wrench are provided to secure the adapter to the lens
  • Many varifocal and shorter fixed focal length (wide angle) lenses are not supplied with filter threads due to the presence of a protruding, strongly convex lens element. Our slip mount adapters allow standard threaded filters to be fitted securely to these and a large variety of lenses that do not have filter threads provided.

Ordering Example:

  • Filter: BP470
  • Outside Diameter of Lens in mm: 43mm

Correct Part# is:

  • BP470-S43

Slip Mount Technical Drawing PDF

C/CS Camera Mount

midopt-c-mount

  • Designed to thread directly into any C/CS mount camera between the lens and sensor
  • Wrenching slots aid in threading the filter into the camera body. A wrench is supplied with each filter.
  • Helpful in applications with space constraints
  • Can be used with wide angle lenses that do not accept filters at the front end to prevent vignetting
  • C/CS mount filters are available in a standard 1mm thickness

Ordering Example: 

  • Filter: BP470
  • Mount Size: 25.4

Correct Part# is:

  • BP470-25.4

C/CS Camera Mount Technical Drawing PDF

 Unmounted  & Custom Size

midopt-unmounted

  • Any MidOpt filter type can be provided as an Unmounted filter
  • Custom shapes and sizes are typically fabricated with one day to two week lead times
  • Custom filter types with longer lead times can also be quoted. Please contact us regarding feasibility.

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