objective lens tube of the telescope

Abstract

1. Name of the product in this design: Objective lens barrel of a telescope. 2. Purpose of this design: as a telescope; Purpose of the partial design: as the objective lens barrel of the telescope. 3. The key design features of this product are the shapes shown in the partial appearance design. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: In the reference diagrams of Design 1 and Design 2, number 1 represents the objective lens.

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