Allemand | Anglais | |
---|---|---|
Patent | ||
Patent | Fresnellinse | Fresnel lens |
Optics | ||
Optics | Fresnellinse [f] | Fresnel lens |
Allemand | Anglais | |
---|---|---|
Photography | ||
Photography | Mattscheibe Fresnellinse | ground glass with fresnel lens |
Photography | Mattscheibe mit Fresnellinse | ground glass with fresnel lens |