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Handheld convex lens Concave lens magnifying glass Diameter 3cm 4cm 5cm Focal length 5cm 10cm 20cm cm Junior High school physical and optical experimental equipment Teaching equipment Light holder Attached

  • Unit Price:$2.21
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  • Item#:578985859563
  • Location:China
  • Selected:loading
  • Quantity: (21476 available)
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Brand:
Shi Ai
Model:
Convex lens Concave lens
Color classification:
3cm diameter convex lens(focal length 5cm) 4cm diameter convex lens(focal length 10cm) 3cm diameter double concave lens(focal length-7 5cm) 4cm diameter double concave lens
Production enterprise:
Taizhou Shiai Science and Education Equipment Co, Ltd
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