CAMERA TAG/THIN LENS TAB

In Octane, camera options are divided into 5 separate TABs. These are; Thin Lens, Motion Blur, Camera Imager, Post Processing and Stereo. We will describe these tabs in chapters. Now let's start with Thinlens.

相机标签/薄型镜头标签

在Octane中，相机选项分为5个独立的TAB。 这些是; 薄镜，运动模糊，相机成像仪，后期处理和立体声。 我们将在各章中描述这些选项卡。 现在让我们从Thinlens开始。

ABOUT DOF

In the following Thinlens description you will see some options for Depth of Field. So we want to briefly explain some terms. You can pass this article if you are familiar with DOF and its terms or topic.

Depth of Field (DOF for short) is the focus area on the front or back of the subject or person. If you can control the DOF, you could take the subject you want to photograph in the foreground as you would like. In this case, you can focus and pull the subject to the front by making the background blur.

The use of DOF is an important technique that must be used to better describe the desired context. When using this effect, at least decide what you want to tell. Do not get caught up in the popular appeal of DOF effects, as these daily renders or irrelevant everywhere.

关于景深

在下面的Thinlens描述中，您将看到“景深”的一些选项。 因此，我们想简要解释一些术语。 如果您熟悉DOF及其术语或主题，则可以通过本文。

景深（简称景深）是被摄对象或个人正面或背面的聚焦区域。 如果您可以控制景深，则可以根据需要将要拍摄的主题放在前景中。 在这种情况下，您可以通过使背景模糊来聚焦对象并将其拉到前面。

DOF的使用是一项重要的技术，必须用来更好地描述所需的上下文。 使用此效果时，至少要确定要说的内容。 不要被DOF效果的流行吸引所困扰，因为这些日常效果图或无处不在。

The most important factor to control DOF is Aperture. The size of the DOF is inversely proportional to the aperture size. The more you open Aperture, the more the DOF is affected. That is, at low aperture values such as f/1.8 or f/2.8, the DOF becomes small. The aperture values such as f/16 or f/22, the greater the DOF.

In photography, the shallow, selective DOF separates the object in the foreground from the background and forms "Bokeh" spots, which are simply called "background blur". You will be able to observe this easily in Octane.

控制景深的最重要因素是光圈。 景深的大小与孔径大小成反比。 打开Aperture的次数越多，景深的影响就越大。 即，在诸如f / 1.8或f / 2.8的低光圈值下，DOF变小。 光圈值（例如f / 16或f / 22）越大，景深越大。

在摄影中，选择性的浅景深将前景中的物体与背景分离，并形成“散景”点，简称为“背景模糊”。 您将可以在Octane中轻松观察到这一点。

THIN LENS SETTINGS

Now Let's describe the Thinlens options.

薄型镜头设置

现在，我们来描述Thinlens选项。

Auto Focus

If enabled, the focus will be kept on the closest visible surface at the center of the image, regardless of the aperture, the aperture edge, and focal depth values. This setting is on by default. If you want to make manual focus, you can turn this option off. To do manual focus, you can press CTRL + MMB (middle mouse button) on the desired area in Live Viewer. Unless, of course, you make the "Aperture" option bigger than zero. If you do not want to make any focus, you can set "Aperture" to zero.

自动对焦

如果启用，焦点将保持在图像中心最近的可见表面上，而不管光圈，光圈边缘和焦深值如何。 默认情况下，此设置为启用。 如果要进行手动对焦，可以关闭此选项。 要进行手动聚焦，可以在Live Viewer中的所需区域上按CTRL + MMB（鼠标中键）。 当然，除非您使“光圈”选项大于零。 如果您不想聚焦，可以将“光圈”设置为零。

focal depth

The depth of the plane in focus, measured in meters. Focal Depth is also linked to Aperture and F-Stop. So focus will depend on the scene size and the size of the object. Also, when you are away from or near the object, all focus options are variable. Therefore, we recommend that you practice a lot.

焦深

焦平面的深度，以米为单位。 焦深也与光圈和F-Stop有关。 因此，焦点将取决于场景的大小和对象的大小。 同样，当您远离或靠近对象时，所有焦点选项都是可变的。 因此，我们建议您多练习。

aperture

The aperture is the radius of the lens opening of the camera used in the scene, measured in centimeters. Choosing a low value will have a wide depth of field where everything is in focus. Choosing a high value will create a shallow depth of field (DOF) where objects in the foreground and background will be out of focus. If you set Aperture to zero, you will no longer see the DOF effect. Everything is in focus.

光圈

光圈是场景中使用的相机镜头开孔的半径，以厘米为单位。 选择一个较低的值将具有广泛的景深，这是所有焦点所在。 选择高值将创建浅景深（DOF），在该景深中前景和背景中的对象将失去焦点。 如果将光圈设置为零，则将不再看到景深效果。 一切都在重点。

f-stop

This is the aperture to focal length ratio. If you change Aperture, this value changes automatically; controls whether more light enters the camera lens.

光圈

这是光圈与焦距的比率。 如果您更改Aperture，则该值将自动更改；否则，此值将自动更改。 控制是否有更多的光进入相机镜头。

aperture aspect ratio

This allows users to stretch/squash the Depth of Field disc.

孔径长宽比

这使用户可以拉伸/压缩“景深”光盘。

aperture edge

This controls aperture edge detection at all points within the aperture. The lower values will give more pronounced edges to out of focus objects affected by the a shallow depth of field (DOF) such as objects in the foreground and background. The aperture edge modifies the bokeh effect of the depth of field. A high value increases the contrast towards the edge.

光圈边缘

这样可以控制光圈内所有点的光圈边缘检测。较低的值将使受浅景深（DOF）影响的失焦对象的边缘更加明显，例如前景和背景中的对象。光圈边缘修改景深的散景效果。较高的值会增加边缘的对比度。

bokeh side count / bokeh rotation / bokeh roundedness

These three features work in conjunction with each other. Bokeh Side Count specifies how many bokehs in DOF will form, so you can determine the bokeh shape here. But when you change this setting, you may not notice a difference at first. This is because the default value of Bokeh Roundedness is 1. You can also change this setting according to the bokeh effect you want to see. Low values refer to a sharp bokeh shape. At higher values, the bokeh shape becomes smooth. Bokeh Rotation is used to rotate the bokeh shape. If you want the bokeh effect to be more pronounced, you can increase the Aperture setting.

散景边数/散景旋转/散景圆度

这三个功能相互配合。散景边计数指定景深中将形成多少个散景，因此您可以在此处确定散景的形状。但是，当您更改此设置时，起初可能没有发现任何区别。这是因为“散景圆角”的默认值为1。您还可以根据要查看的散景效果更改此设置。低值表示鲜明的散景形状。较高的值时，散景形状变得平滑。散景旋转用于旋转散景形状。如果希望散景效果更明显，可以增加光圈设置。

perspective correction

If Up-vector is vertical, enabling this option keeps vertical lines parallel. This is useful for architectural rendering, when you want to render images of tall buildings from a similar height as the human eye, but keeping the vertical lines parallel.

透视校正

如果Up-vector是垂直的，启用此选项可使垂直线保持平行。 当您要从与人眼相似的高度渲染高层建筑物的图像，但要保持垂直线平行时，这对于建筑渲染很有用。

near & far clip depth

The main purpose was for interior scenes where you want to get a good shot of the whole room but you cannot do so without a very large FOV, because you need to keep the camera inside the room. With camera clipping (near plane), you can position the camera outside the room - lower the FOV and increase the clipping plane distance in front of you until the closest walls are clipped out. The geometry is not altered, only the clipping of the camera, which means that shadows, reflections and refractions are still affected by the clipped geometry.

远近剪辑深度

主要目的是用于要对整个房间进行良好拍摄的室内场景，但是如果没有非常大的FOV，则无法做到这一点，因为您需要将相机保持在房间内。 使用摄像头剪切（靠近平面），您可以将摄像头放置在房间外面-降低FOV并增加您前面的剪切平面距离，直到最近的墙壁被剪切掉。 几何不会更改，只会更改摄影机的裁剪，这意味着阴影，反射和折射仍会受到裁剪的几何形状的影响。

distortion

This adjusts the spherical and cylindrical distortion. The rendered image displays the entire sphere and uses equidistant cylindrical projection also known as lat-long projection.

失真

这样可以调整球形和圆柱形变形。 渲染的图像显示整个球体，并使用等距的圆柱投影（也称为纬长投影）。

orthographic

If enabled, the camera will render an orthographic view. If disabled, the camera will show a perspective view.

正字法

如果启用，相机将渲染正交视图。 如果禁用，相机将显示透视图。

lens shift

Shift value for camera in film plane. It's very same as Film Offset X/Y in Cinema 4D camera. Also both parameters work in two ways.

镜头移位

相机在胶片平面中的偏移值。 它与Cinema 4D相机中的胶片偏移X / Y非常相同。 同样，两个参数都以两种方式工作。