Patent ID: 9477064
Filing Date: 2016-10-25
CPC Classification: G02B,G03B,H04N

Claim Text:
1. An image capturing apparatus, which is applied in air or in a non-air medium, comprising: a lens assembly comprising at least one lens element; an image sensor disposed on an image surface of the lens assembly; and a removable cover lens; wherein when the image capturing apparatus is applied in air, the lens assembly and the image sensor are disposed along an optical axis in order from an object side to an image side, or the removable cover lens, the lens assembly and the image sensor are disposed along the optical axis in order from the object side to the image side; wherein when the image capturing apparatus is applied in the non-air medium, the removable cover lens, the lens assembly and the image sensor are disposed along the optical axis in order from the object side to the image side; wherein when the image capturing apparatus is applied in the non-air medium, an axial distance between an object-side surface of the removable cover lens and the image sensor is TLm, a back focal length of the image capturing apparatus applied in the non-air medium is PBFm, a back focal length of the image capturing apparatus applied in air is PBFa, and the following conditions are satisfied: