OHP Fresnel Lens, 280*280*4mm - OHP(280*280*4mm)

Acrylic fresnel lens:

A series of concentric grooves on a flat, thin piece of plastic makes possible a large diameter, lightweight and inexpensive lens with a short focal length. Each groove acts as a minute refracting facet capable of bending light, thus giving greater transmittance than a conventional lens of the same focal length.

Product Specification:

Product:OHP(280*280*4mm)
Size: 280*280mm
Thickness: 4mm
Material: PMMA
Groove pitch: 0.5mm
Focal length: 128.3mm(f1:330mm, f2: 210mm)

Transmission (%): 92 (from 400-1100nm)
Index of Refraction nd : 1.491
Operating Temperature (°C): 80 (Maximum)

This lens is used in Overhead Projector, it's OHP fresnel lens.

• Material is Acrylic with transmission of 92% throughout the visible spectrum.
• Maximum service temperature is 80°C.

Typical application:

solar energy concentration, projector, LED lamp lens. lighting, magnifier etc.

About Us

BHLENS process acrylic fresnel lens by pressing and injection methords, on condition that to keep the lens clean, clear and with optical effect, we could choose the processing methord of cheapest cost for the customer.

• We are one of the leading fresnel lens manufacturers in China, with 100 employees and 15 senior engineers.
• Being in this field for about 10 years, we successfully exported products to all over the world.
• We are ISO9001, ROHS, CE, Factory Audit certificated.Our R&D center has powerful research ability,OEM orders are available.
• Inquiries are typically answered within 24 hours

Best advantage is : we can make mould by ourselves, so we can customize fresnel lens according to your design.

customized lens show: