Produce name: Optical bench table of contents Serial number: 2507

Produce information:

Application of the product: it is suitable for student to study the lens image formation rule and to build simple optical instrument model. Product information: focal length of plotting lens: f=300 mm, f=100 mm, f=-75 mm, f=50mm. Rod length: 0-900 mm Instrument span: 1000 mm Standard: JY0034-91