Specification
Size: 260x260mm /280x280mm / 300x300mm
Focal Length: 220 370mm /600mm / 220mm 330mm
Thread Distance: 0.5mm /0.3mm( just F330mm)
Thickness: 2mm
Material: Optical PMMA
Magnification: 3x
Transmittance: 92%
This Fresnel Lens can be used on DIY Projector,Plane Magnifier,solar concentrator