Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) sold2026 Shaviv Part 29000 (B Holder)

Shaviv Part 29000 (B Holder) takes all B Style blades

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

5 KHz Resonant impedance (ohms): 300 max Diameter: 15mm/ 0

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

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

Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) sold2026 Shaviv Part 29000 (B Holder)Fresnel 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)