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Wratten 2 filters replace the industry standard Wratten gelatin filters with the same spectral perforomance. The filters listed here are longpass type Wratten 2 colour filters.

Wratten 2 filters were originally designed for use in photography but are also used in imaging applications from industrial manufacture to medical.

We offer stock Wratten 2 filters in a standard 75x75mm sheet. Custom filters may be cut to special sizes at short notice where stock is available. For more information on our stock Wratten 2 filters or to enquire about a custom quote, speak to our technical sales team.

Note:
Wavelength cut-on listed in table is transition cut-on wavelength (T=Tmax/2)
Wavelength cut-off listed in table is transition cut-off wavelength (T=Tmax/2)
Wavelength peak is centre wavelength 

Cutting down to special shapes and sizes.
Mounting into ridged mounts.
Larger sizes up to 300x100mm.

12 Items

Name Type Wavelength cut-on (nm) CWL (nm) Wavelength cut-off (nm) Wratten No. Length (mm) Width (mm) Thickness (mm) Colour Price Buy
411FWP7575 pdf Longpass 411 2697 2B 75 75 0.1 Yellow (UV Absorbing)
$62.55
430FWP7575 pdf Longpass 430 2715 2E 75 75 0.1 Yellow (UV Absorbing)
$62.55
494FWP7575 pdf Longpass 494 2698 8 75 75 0.1 Yellow
$62.55
519FWP7575

pdf

Longpass 519 2696 12 75 75 0.1 Yellow
$62.55
528FWP7575 pdf Longpass 528 2694 15 75 75 0.1 Yellow
$62.55
540FWP7575 pdf Longpass 540 2712 16 75 75 0.1 Yellow/Orange
$62.55
568FWP7575 568 2710 22 75 75 Orange
$62.55
600FWP7575 pdf Longpass 600 2715 25 75 75 0.1 Tricolour Red
$62.55
622FWP7575 622 2714 29 75 75 Tricolour Red
$62.55
717FWP7575 pdf Longpass 717 2718 89B 75 75 0.1 Black (Absorbs Visible Passes IR up to 2500nm)
$132.05
794FWP7575 pdf Longpass 794 2714 87 75 75 0.1 Black (Absorbs Visible Passes IR up to 2500nm)
$132.05
852FWP7575 pdf Longpass 852 2716 87C 75 75 0.1 Black (Absorbs Visible Passes IR up to 2500nm)
$132.05

12 Items

1

Longpass Wratten Colour Filters

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