Handheld Concave Lens Convex Lens 30mm 40mm 50mm Junior High School Physics Teaching Magnifying Glass Optical Bench Accessories
Technical Details
Brand Name: | HUILEY |
diameter: | 30 mm, 40 mm, 50 mm |
Focal Lenght: | +-7.5 cm, +-10 cm, +-15 cm |
item name: | Handheld concave lens convex lens |
Material: | glass lens, ABS frame, metal handle |
Model Number: | TJ01 |
Shape: | Spherical |
Size: | 125 x 30 mm, 135 x 40 mm, 145 x 50 mm |
Structure: | Double Convex |
Unit Weight: | 28 g, 35 g, 38 g |
Usage: | Optical |
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