Blue glass IRCF
Product description:
    Blue glass has infrared absorption ability and makes the central wavelength (IR side) variation smaller at the large incident angle. Blue glass IRCF can cut off infrared light better, which improve the ghost, color shading and color uniformity. Blue glass is widely used in a smart phone camera.
  • Technical index

Typical spectral characteristics(for reference) :

No.

Item

T=0.21mm

AOI=0°SPEC

AOI=30°SPEC

1

350nm~395nm

Tavg3%

Tavg5%

2

UV  T=20%~80%

10nm

30nm

3

UV  T=50%

415±10nm

400±10nm

4

430nm~565nm

Tavg91%
Tmin
85%

Tavg90%
Tmin
83%

5

IR T=50%

639±6nm
cut wavelegth shift
5nm

6

Coalescent point
(Transmission where curves

T40%

T50%

7

IR T=15%
λ0°~30°

35nm

8

IR T=80%~45%

100nm

9

IR T=15%~10%

10nm

10

700nm~725nm

Tavg2%

11

725nm~1100nm

Tavg0.5%  Tmax1%

12

1100nm~1200nm

Tmax3%

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