Objective lens barrel of a telescope

Abstract

1. The name of the design product: telescope objective lens barrel. 2. The use of the design product: used as a telescope; the use of the partial design: used as a telescope objective lens barrel. 3. The design points of the design product: the shape shown in the partial design. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: reference numeral 1 in the figure indicates the objective lens.

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