Open Access
Table 3
Relative percentage difference (ΔRD) between mean values of device/app combination illuminance results and the reference illuminance for three illuminance levels at distinct opening diameters of an iris.
| Code | Iris diameter | Iris diameter | Iris diameter | |||
|---|---|---|---|---|---|---|
| 3 mm | 4.5 mm | 7 mm | ||||
| DREF | 607.94 lx | 1013.72 lx | 4012.26 lx | |||
| ΔRD | ΔRD | ΔRD | ΔRD | ΔRD | ΔRD | |
| With Diffuser | Without Diffuser | With Diffuser | Without Diffuser | With Diffuser | Without Diffuser | |
| DA1 | 11 % | 2155 % | 22 % | 659 % | 103 % | 255 % |
| DA2 | 56 % | 1072 % | 40 % | 287 % | 0 % | 84 % |
| DA3 | 55 % | 976 % | 39 % | 283 % | 3 % | 81 % |
| DA4 | 6 % | – | – | – | 34 % | – |
| DA5 | – | – | – | – | – | – |
| DA6 | – | – | – | – | – | – |
| DA7 | – | – | – | – | – | – |
| DA8 | – | – | – | – | – | – |
| DA9 | 54 % | 54 % | 72 % | 72 % | 93 % | 93 % |
| DA10 | 93 % | 1932 % | 93 % | 1122 % | 94 % | 242 % |
| DA11 | 93 % | 1926 % | 93 % | 1087 % | 93 % | 239 % |
| DA12 | 93 % | 1778 % | 93 % | 1015 % | 93 % | 238 % |
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