Telecentric lens has parallel chief ray with its optical axis and is ideal for co-axial lighting.
远心镜头拥有与它的光轴平行的主光线，同轴照明是非常理想的。
A lamp disposed in the lighting fixture has a longitudinal axis that is substantially perpendicular to a direction of movement of the first and second housings.
设置在所述照明器材中的一灯具有一纵轴，其大体上垂直于所述第一和所述第二罩壳的一移动方向。
Also keep in mind that off-axis fill lighting requires a more complex lighting arrangement, and is therefore usually reserved for portraits in a studio.
也记住离轴照明需要填一个更复杂的灯光布局，因此通常只在肖像在演播室里。
Also keep in mind that off-axis fill lighting requires a more complex lighting arrangement, and is therefore usually reserved for portraits in a studio.
也记住离轴照明需要填一个更复杂的灯光布局，因此通常只在肖像在演播室里。
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