CPC G02B 7/04 (2013.01) [G02B 7/026 (2013.01); G02B 27/0006 (2013.01); G02B 27/0172 (2013.01)] | 20 Claims |
1. A focusing assembly, comprising: a focusing barrel and a barrel retaining ring,
wherein the focusing barrel comprises a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel;
wherein the first sleeve is provided with a lens mounting portion configured to mount a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion configured to mount a display screen, and a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being two opposite ends of the second sleeve; and
wherein the lens mounting portion and the display screen mounting portion are configured such that relative positions thereof in a focusing direction of the focusing assembly is adjustable.
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