Square Fresnel Lens 300 x 300 mm, 330 mm Focal Length, PMMA
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Prices updated: 14 Oct 2026
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About this product
A square Fresnel lens made from PMMA (acrylic), 2 mm thick with a 0.5 mm groove pitch. It has a 330 mm focal length and suits light-focusing demonstrations, projection setups and optical DIY projects.
Specifications
- Shape
- Square
- Size
- 300 x 300 mm
- Thickness
- 2 mm
- Material
- PMMA (acrylic)
- Groove pitch
- 0.5 mm
- Focal length
- 330 mm
- Transmission
- 92%
- Refractive index (nd)
- 1.5
- Max operating temperature
- 80 °C
Frequently asked questions
What is the difference between this lens and the 520 x 520 mm version?
This version is 300 x 300 mm, 2 mm thick, with a 330 mm focal length. The 520 x 520 mm version is larger, 3 mm thick, and has a 620 mm focal length.
What is the maximum operating temperature?
The listed maximum operating temperature is 80 °C. Keep the lens within this limit during use.
