2-Pack Large Fresnel Lenses Φ300mm(11.81\) Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm)
- 2-Pack Fresnel Lens Diameter 300mm(11.81").
- Great for Visual Aid education, Solar heating experiment, Solar Cooking outside, DIY Solar concentrator, Scientific Research, Magnifying..
- High light transmittance, High efficiency in focusing, High precision..
- We are professional maker for high-precision fresnel lenses.