Icare Finland Oy

Antti Jaatinen

Mika Salkola

Kati Stranius

Mertsi Haapalainen

An alignment means of a measurement instrument includes a housing an optical component having a principal axis in a direction parallel to a desired alignment; a first light source positioned at a first distance Sfrom the optical component and at a first height hfrom the principle axis; a second light source positioned at a second distance Sfrom the optical component and at a second height hfrom the principle axis; and an angle barrier means arranged between the optical component, and the first and second light sources. The housing, the optical component, and the angle barrier means are arranged to block visibility of the first light source along the principal axis at a distance superior to d′; and block visibility of the second light source along the principal axis at a distance smaller than d, wherein dis smaller than d

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Leppävirta, Finland

Antti Jaatinen