Product: OHP Fresnel lens(280)
Kind: Fresnel
Material: PMMA
Focal Length: 128.3mm(f1: 330mm f2: 210mm)
Size: 280*280mm
Thickness: 4mm
Groove Pitch: 0.5mm
Detail:
The range of application: Imaging and producing parallel rays. It is suitable for PROJECTOR, PROJECTOR, EPIDIASCOPE and so on.