general scientific lens

• Frey Scientific 6 Piece Acrylic Demonstration Lens Set, 38mm Diameter

  

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• Choosing and Using a Refracting Telescope (The Patrick Moore Practical Astronomy Series)

  

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• Lens Design Fundamentals

  

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• SEOH Magnifier 5x Illuminated LED Transparent Sides

  

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• Celestron SkyMaster Giant 15x70 Binoculars with Tripod Adapter

  

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• What's the Difference Between . . . Lenses and Prisms and Other Scientific Things

  

  Go to see$24.50