25mm biconvex lens with legs 45mm focal length virtual reality 3D lenses，google cardboard lens

 

 

1) Item : 25mm diameter acrylic double convex lens 
2) Size: Adge thickness 2mm， the center thickness 5mm
3) Material: PMMA
4) Magnifier : 5X
5) Useful: for standard size DIY Google cardboard
6) the focal length :45MM

 

 

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