30cm Optical PMMA Fresnel Lens Solar Concentrator Magnifying Glass
Di uno scrittore di uomini misteriosi
Descrizione
180mm Optical PMMA Solar Focus Fresnel Lens Spotlight lens Plano Magnifying Solar Condensing Lens Focal Length 80 120 200 240 MM
300mm Optical PMMA Fresnel Lens Solar Concentrator Large Magnifying Glass Lenses
Fresnel Lens Diy, Pmma Fresnel Lenses, Mini Fresnel Lens, Minifier Lens
2-Pack Fresnel Lens Φ240mm(9.45) Focal Length 300mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 300mm) : Arts, Crafts & Sewing
1pc 300mm Large Optical PMMA Fresnel Lens Focal Length Solar Concentrator Magnifying : Industrial & Scientific
Fresnel lenses are most used in solar concentration, solar heating and light gathering applications. Or cooking outside as a fire starter. Fresnel lenses can also be used as projection lenses or magnifiers. They are great for magnifying print in books, magazines, maps, telephone numbers, recipes, etc. They are great as a gift or toy to childrens who need visual aid.
2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 360mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length
EveryMarket
1PC Round 30cm Optical PMMA Plastic Fresnel Lens Solar Concentrator Large Magnifying Glass Focal Length 2000mm. Plastic Fresnel PMMA round condensing
30cm Optical PMMA Plastic Fresnel Lens Solar Concentrator Large Magnifying Glass
180mm Optical PMMA Solar Focus Fresnel Lens Spotlight lens Plano Magnifying Solar Condensing Lens Focal Length 80 120 200 240 MM
180mm Optical PMMA Solar Focus Fresnel Lens Spotlight lens Plano Magnifying Solar Condensing Lens Focal Length 80 120 200 240 MM
350mm Big Dia Solar Fresnel Lens Optical PMMA Focal Length 185mm 900mm Solar Concentrator Large Magnifying Glass 1PC (Color : 2PCS, Size : Other_900MM_2MM) : Industrial & Scientific
Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier
High diopter spectacle using a flexible Fresnel lens with a combination of grooves
Magnificeroptical Pmma Fresnel Lens 350mm - 92% Transmittance, 3x Magnification
da
per adulto (il prezzo varia in base alle dimensioni del gruppo)
