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.
| 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) |
US$68.81
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| 430FWP7575 pdf | Longpass | 430 | 2715 | 2E | 75 | 75 | 0.1 | Yellow (UV Absorbing) |
US$68.81
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| 494FWP7575 pdf | Longpass | 494 | 2698 | 8 | 75 | 75 | 0.1 | Yellow |
US$68.81
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| 519FWP7575 | Longpass | 519 | 2696 | 12 | 75 | 75 | 0.1 | Yellow |
US$68.81
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| 528FWP7575 pdf | Longpass | 528 | 2694 | 15 | 75 | 75 | 0.1 | Yellow |
US$68.81
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| 540FWP7575 pdf | Longpass | 540 | 2712 | 16 | 75 | 75 | 0.1 | Yellow/Orange |
US$68.81
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| 568FWP7575 | 568 | 2710 | 22 | 75 | 75 | Orange |
US$68.81
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| 600FWP7575 pdf | Longpass | 600 | 2715 | 25 | 75 | 75 | 0.1 | Tricolour Red |
US$68.81
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| 622FWP7575 | 622 | 2714 | 29 | 75 | 75 | Tricolour Red |
US$68.81
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| 717FWP7575 pdf | Longpass | 717 | 2718 | 89B | 75 | 75 | 0.1 | Black (Absorbs Visible Passes IR up to 2500nm) |
US$145.26
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