Six Seasons 2-Pack Round Fresnel Lens Diameter 220MM Focal Length 240mm Acrylic Optical Lenses for Cooking Outside, Solar Energy Fresnel Magnifier

2PCS-PACK Fresnel Lens, Acrylic ultrathin Size: Φ220mm Focal length: 240mm Thickness: 3mm Material: PMMA(acrylic) Visual Aid for education - Great for

2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific

2-Pack Round Fresnel Lens Diameter 400MM Focal Length 240mm Acrylic Lenses for Solar Collecting,Cooking Outside,Solar Energy Fresnel Lens Magnifier Solar Projector fire Starter : Patio, Lawn & Garden

HWATANG OHBIG 3x/8D/100mm Dimming Toning LED Aspheric Magnifying Glass - Low Vision Aid for Macular Degeneration, Skin Inspection, Ra>90 Ring Light, AMD & 70+ Reading Magnifier (Handheld) : Health & Household

ZWEÏ Lenses, Eyeglasses & Sunglasses Lenses

Fresnel Lens

Fresnel Lens Magnifier, Diameter 200mm (7.9''), Algeria

2-Pack Round Fresnel Lens Diameter 240MM Focal Length 250mm for Solar Concentrator and Cooking Outside, Large Fresnel Lenses Solar Magnifier fire Starter DIY Solar Projector : Arts, Crafts & Sewing

Six Seasons 2-Pack Round Fresnel Lens Diameter 170MM Focal Length 150mm for Solar Collecting, for Cooking Outside, Solar Energy Fresnel Lenses Magnifier fire Starter Optical Fresnel DIY Solar : Industrial

2-Pack Fresnel Lenses 250 * 250MM Focal Length 200MM Acrylic Fresnel Lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific

2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific

1Pc Dia 300mm Large Optical Plastic Big Solar Fresnel Lens Focal Length 120 220 400 360mm Solar Concentrator Magnifying Glass Thcikness 2mm (Size : 300mm, Color : 120mm) : Industrial & Scientific