R58A Biconvex Pmma Lens Diameter 34mm Focal Length 45.00mm Double Aspherical Surface for google Cardboard VR 3D Storm MagicOOTDTY  Features: brand new and high qualityEnvironmentally friendly acrylic raw material, 95% light transmittance, light weight, insulating, translucent, and not suitable for deformation at room temperature.Elaborate mold creation, professional aspheric design, precise and fully automatic.Injection molding control, the surface roughness can reach 0.03mm, the brightness is high, the data is accurate, the finished image is clear and the distortion is small.Double aspherical surface, the edge imaging is clearer, more three-dimensional, and more realistic.Diameter: 34mm, Thickness: 8.79mm, Focal Length: 45.00mm, Object Distance: 39.07mm (the distance from the screen to the edge of the lens).Specification: Product name: 2nd generation 3D carton lensProduct size: 34mmFeatures: Double aspherical surface, edge imaging is clearer, more three-dimensional, and more real.Model: 34mm stepped aspheric lens 2nd generation lensDescription: Direct sales of 2nd generation lens Acrylic 34mm diameter and 40mm focal length 3D VRDiameter: 34mmThickness: 8.79mmFocal length: 45.00mmObject distance: 39.07mm (distance from screen to edge of lens)Material: Imported original materials, environmentally friendly optical grade PMMA (acrylic)Temperature: -30℃+85℃Environmental protection: EN71/MSDSTransmittance: 95%Material: AcrylicColor: As the Picture ShowsNet Weight: 30g/0.07lbsPackage Includes: 2pcs/set 3D Virtual Reality VR Lensnote: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.