| 摘要 |
Provided is a zoom lens allows size reduction in the depth direction and compactness. The zoom lens includes a plurality of lens groups (GR 1 to GR 5 ) and performs zooming by changing an inter-group distance. Of the plurality of lens groups (GR 1 to GR 5 ), a first lens group (GR 1 ) on the most object side has a positive refractive power and is fixed. A reflection member for bending an optical axis is provided in the first lens group (GR 1 ) and the reflection member is formed of a rectangular prism (P) having a negative refractive power. In addition, an imaging apparatus using the zoom lens is provided.
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