Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) auspowers_batchsix or loved ones as a

or loved ones as a gift that is functional and beneficial to their health

it will enter the pairing mode automatically (red and blue light flashes alternately) once the device is turned on

and 1 large pocket for books or paper

it doesn't work with Android USB-C smartphone / tablet directly to the Printer

Size detail: each mini shuffleboard puck is 0

Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) auspowers_batchsix or loved ones as aFresnel Lens, Diameter 150mm (5. 9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) Size: 150mm Thickness: 2mm Material: PMMA (acrylic) Transmission (%): 92 (from 400 1100nm) Index of Refraction nd : 1. 491 Operating Temperature (C): 80 (Maximum) Product Features 1 Pack Fresnel Lens 150mm Focal length 70mm Thickness: 2mm, Material: PMMA (Acrylic) High Light Transmittance,