发明授权
US09285659B2 Optical accessory adapter 有权
光学附件适配器

Optical accessory adapter
摘要:
An optical accessory adapter is used to couple together a lens apparatus and an optical accessory attached to an object side portion of the lens apparatus having fitting attachment diameters different from each other. The adapter is provided with a cutout portion in a part of a region outside the attachment diameter of the lens apparatus on an object side surface thereof.
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