Patent ID: 8068293

Claim:
A projection lens unit comprising: a projection lens that projects an image on a screen after incident image light has been focused and magnified; a lens barrel member that accommodates the projection lens, wherein an outline portion of the lens barrel member corresponding to a position where the image light has been focused is formed to be thinnest; a holding member that has a first holding face on which the outline portion of the lens barrel member formed to be thinnest is mounted; and a presser member that has a second holding face for holding the outline portion of the lens barrel member formed to be thinnest when the outline portion of the lens barrel member is interposed between the first holding face and the second holding face, wherein the lens barrel member has an outline portion which is provided at a light incident side of the position where the image light has been focused and is thicker than the outline portion corresponding to the position where the image light has been focused, and the lens barrel member has an outline portion which is provided at a light output side of the position where the image light has been focused and is thicker than the outline portion corresponding to the position where the image light has been focused.