Quick Answer: The Telescope Teaching model is a bench demonstration model of a refracting telescope, with crown glass objective and eyepiece lenses on a graduated optical rail. The distance between the lenses can be varied to show how the image is brought into focus.
Last updated: October 2026
Key Features
Refracting system with objective and eyepiece lenses
Crown glass lenses
Graduated optical rail on a non-slip base
Variable lens spacing for focusing demonstrations
Powder-coated metal or polymer chassis
Technical Specifications
Specification
Value
Lenses
Crown glass
Configuration
Refracting: objective and eyepiece
Mounting
Non-slip base with graduated optical rail
Adjustment
Variable focal distance
Chassis
Powder-coated metal or polymer
HS Code
9023.00.00 (Instruments, apparatus and models, designed for demonstrational purposes)
About This Product
Laid out on an open rail rather than inside a tube, the model lets a class see where each lens sits and how light travels from the objective to the eyepiece. Students read the lens positions on the graduated rail and use them to discuss focal length and magnification. Laboratories and colleges in Syria, Dominican Republic, Moldova, Estonia, Cyprus and Japan can buy the Telescope Teaching model through an export order.
Frequently Asked Questions
What lenses does the Telescope Teaching model use?
An objective and an eyepiece lens in crown glass, mounted on a graduated optical rail.
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