TECH SPECS EDMUND OPTICS BROADBAND INTERFERENCE FILTERS
Description: this broadband filter kit is in excellent condition, intended for collimated light. They are 400-700nm in 50nm increments. The catalog numbers are as pictured (E46-148 to E46-154). They have been discountinued and replaced with 25mm Ø filters (143€ each as per today's catalog).
TECH. SPECS for E55-223 kit (taken from Edmund Catalog 2004):
400nm filter: FWHM 50nm
450nm filter: FWHM 80nm
500nm filter: FWHM 80nm
550nm filter: FWHM 80nm
600nm filter: FWHM 80nm
650nm filter: FWHM 80nm
700nm filter: FWHM 80nm
Peak transmission: 60% (450-700nm); 55% (400nm)
Operating temperature: -50ºC to +75ºC
Surface quality: 80-50
Thickness: 9.65mm max.
Angle sensitivity: Intended for collimated light.
Blocking: <=0.1%, X-ray to 1.2um.
Blackened edges: yes.
Condition: very nice. Revised and cleaned. There is a little nick in the glass in one of them (the 500nm), but so much at the edge it is outside of the inner round filter "full coating" area (see pics).