free shipping 15.6 inch lcd panel DIY projection screen projector fresnel lens 320*250MM focal length 550 MM
Technical Details
diameter: | 320*250 |
Focal Length: | 550mm |
Material: | PMMA |
Model Number: | MYlens-320250F550 |
Shape: | Plano |
Structure: | plane |
Usage: | Optical |
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