Quantities
| P2151 | focal length | 150 |
| P373 | Commons category | String | Sixth order fresnel lenses | ??? |
| P156 | followed by | ... | Q24630196 (seventh order Fresnel lens) | seventh order Fresnel lens |
| P155 | follows | ... | Q24628998 (fifth order Fresnel lens) | fifth order Fresnel lens |
| P7084 | related category | ... | Q24630866 (Category:Lighthouses with sixth order Fresnel lenses) | Category:Lighthouses with sixth order Fresnel lenses |
| P279 | subclass of | ... | Q14672 (Fresnel lens) | Fresnel lens |
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log id: 5259050