Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) sold2026 Read more Top-grade Microchip Wireless

Read more Top-grade Microchip Wireless presenter is equipped with top-grade microchip to ensure a real 100M/330FT control distance

ROOFULL Bi-Directional Digital Coaxial to/from Optical Toslink SPDIF Audio Converter/Adapter/Repeater

These low cut socks fit for men and womens are in good performance on moisture absorption

KAIWEETS HT206B Digital Clamp Meter T-RMS 6000 Counts

Calculation records can be read

Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) sold2026 Read more Top-grade Microchip WirelessFresnel Lens Magnifier, Diameter 200mm (7. 9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) Size: 200mm Thickness: 2mm Material: PMMA (acrylic) Groove pitch: 0. 5mm Transmission (%): 92 (from 400 1100nm) Index of Refraction nd : 1. 491 Operating Temperature (C): 80 (Maximum) Product Features 1 Pack Round Fresnel Lens Magnifier Size: 200mm, Thickness: 2mm, Material: PMMA (Acrylic)