______in camera can control depth of field. A: The depth of field preview button B: Bulb setting C: Depth-of-field scale D: White balance setting

The difference in depth of field produced by between 85mm lens of the medium camera and of 135 camera is ______. A: no difference B: The depth of field by 135 camera is shallower. C: The depth of field by the medium camera is shallower. D: The depth of field by 135 camera is deeper.

What is the reson of cameras capture images with the characteristic that not all the objects are in focus? A: The camera is not focusing properly B: Limited by the depth of field C: The shooting range is too wide D: There are too many objects in the depth of field

How to photograph historical objects the proper way? A: We have to strict the colors control of cultural relics B: we need to higher the f/ number, to get a large depth of field C: we need a clean background D: we need to lower the f/ number, to get a shallow depth of field

The depth of field depends on ______. A: aperture B: the distance between camera and subject C: the size of the subject D: the focal length of the lens

以下那些是摄像机的常用参数？( ) A: CLear Flags B: Field of View C: Projection D: Depth E: Background

摄像机组件中的哪个属性是控制视角度大小的 A: Field of View (FOV) B: Depth C: Rendering Path

case函数的格式正确的是（ ） A: case(depth<=70 "Shallow" depth>70 AND depth<=300 "Mid" depth>300 "Deep") B: case(depth<=70, "Shallow", depth>70 AND depth<=300, "Mid", depth>300, "Deep") C: case(depth<=70, "Shallow", depth>70 && depth<=300, "Mid", depth>300, "Deep") D: case(depth<=70, "Shallow", depth>70 && depth<=300, "Mid", depth>300, "Deep")

Why does the pixel-based approach lead to the error recognition of focusing pixels? A: focus measures are susceptible to noise B: the depth of field C: image misalignment D: The effect of defocus pixels

Whenthe depth of a blind hole is given, to what does the depth dimension refer?