Battery Holder For 2 AA Battery 
Concave And Convex Glass Lens Set 5cm Diameter 4 Piece Shaved Edges 
Description
- Import of our company
- Compatible with the curriculum
- Suitable for school, experiment, project work
- It can be used in optics experiments, Galieo telescope making etc.
- The edges are shaved for safety and aesthetics
Product Content:
- 1pc double concave lens (Eyepiece lens)
Diameter: 30mm
Focal length: -75mm - 1pc plane (plano) convex lens (Objective lens)
Diameter: 50mm
Focal length: 300mm
Targeted Gains:
- Explains the properties of lenses and lens types.
- Analyzes the variables that affect the focal length of a lens.
- Explores the properties of the image formed by the lenses.
- Discovers how light is refracted in concave and convex lenses.
- Finds the focal points of parallel light beams and thin and concave lenses.
- Gives examples of usage areas of lenses.
- Realizes that glass waste left in forest areas can pose a fire risk in sunny weather.
- Designs observation tools using lenses.
- Compares the similarities and differences of reflection and refraction of light.
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