Villám Dexter ígért lencséket!
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innen rendelnék ,ha mernék! mert Dexterre hiába várok.
http://www.3dlens.com/shop/largefresnellens.phpProduct No: F550
Large Fresnel Lens F550
In Stock: 187
Overall size: 320mm x 400mm
Fresnel size: 320mm x 400mm
Thickness: 2mm
Material: optical acrylic
Groove pitch: 0.2mm (127 grooves per inch)
Focal length: 550mm
Application: Solar energy collector system, start a fire under sunlight, hot water heater, solar furnace, LCD projector, computer screen magnifier, virtual reality game flight simulator, computer simulation game, TV magnifier ...
Quantity Unit price
100~ $18.37
50~ $20.42
25~ $22.68
10~ $25.20
Price: US$28.00
¥2,520 €19.04