The colour effects within Wratten 2 Colour filters are achieved using organic dyes in a gelatine material which is not possible in colour glass. Although wratten bandpass filters are less robust than polyester filters, their spectral data is more accurately controlled and documented. The filters listed here are band-pass 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 |
| 432FWP7575 pdf | Bandpass | 407 | 432 | 456 | 47B | 75 | 75 | 0.1 | Narrow-cut tricolour blue |
$132.05
|
|
| 440FWP7575 pdf | Bandpass | 414 | 440 | 480 | 47 | 75 | 75 | 0.1 | Tricolour blue |
$62.55
|
|
| 516FWP7575 pdf | Bandpass | 483 | 516 | 589 | 11 | 75 | 75 | 0.1 | Yellowish green |
$62.55
|
|
| 525FWP7575 pdf | Bandpass | 501 | 525 | 553 | 61 | 75 | 75 | 0.1 | Narrow-cut tricolour green |
$132.05
|
|
| 527FWP7575 pdf | Bandpass | 501 | 527 | 561 | 58 | 75 | 75 | 0.1 | Tricolour green |
$62.55
|
|
| 547FWP7575 pdf | Bandpass | 533 | 547 | 568 | 99 | 75 | 75 | 0.1 | Dark green |
$62.55
|
|
| 575FWP7575 pdf | Bandpass | 562 | 575 | 595 | 90 | 75 | 75 | 0.1 | Dark amber monochromat |
$62.55
|
