Double Concave Lens FL-20cm (50mm Diameter, -200mm Focal Length, Optical Glass)

The Double Concave Lens FL-20cm is an optical glass lens featuring two inward-curved surfaces that cause light rays to diverge. With a 50mm diameter and a focal length magnitude of 200mm, it is suitable for physics experiments, educational demonstrations, and optical studies involving light divergence and image formation.

Key Features -

• Double concave optical lens design

• 50mm lens diameter

• 20cm focal length magnitude

• Diverging optical behaviour

• Optical glass construction

• Smooth, polished optical surfaces

• Suitable for laboratory and educational use

Specifications -

• Product Type: Double concave optical lens

• Model: FL-20cm, 50mm diameter

• Lens Type: Bi-concave lens

• Diameter: 50mm

• Focal Length: -200mm (-20cm)

• Optical Power: Approximately -5 dioptres

• Material: Optical glass

• Shape: Double concave circular lens

• Mounting Type: Manual or optical holder mounting

• Surface Finish: Polished optical surfaces

• Voltage Rating: Not applicable

• Current Rating: Not applicable

• Operating Wavelength: Refer to manufacturer specifications

Applications -

• Optical laboratory experiments

• Physics education projects

• Light divergence demonstrations

• Scientific optical instruments

• Image formation experiments

• Optical bench activities

• Lens combination and focal length studies