iPhone 4 相机规格 - 视野/垂直-水平角度 [英] iPhone 4 Camera Specifications - Field of View / Vertical-Horizontal Angle

问题描述

有人知道新 iPhone4 相机的视野值吗?我在做一些AR应用，我想知道后置摄像头的水平和垂直角度.

Does someone know the field of view values for the new iPhone4 camera? I'm doing some AR app's, and I want to know the horizontal and vertical angle of the rear camera.

谢谢！

推荐答案

如果传感器是 3.39 毫米高(参考横向模式)，那么一半是 1.695 毫米.iPhone 4 的焦距被列为 3.85 毫米.atan(1.695/3.85) 是从中心到顶部的 23.75 度，或从顶部到底部的 47.5 度.

If the sensor is 3.39 mm tall (referenced to landscape mode), then half that is 1.695 mm. Focal length for the iPhone 4 is listed as 3.85 mm. atan(1.695/3.85) is 23.75 degrees from center to top, or 47.5 degrees top to bottom.

对于较长的尺寸 4.52/2 = 2.26 毫米，atan(2.26/3.85) = 30.41 中心到侧面，或从左到右 60.8 度(再次参考横向).

For the longer dimension 4.52/2 = 2.26 mm, atan(2.26/3.85) = 30.41 center to side, or 60.8 degrees left to right (again referencing with respect to landscape orientation).

所以水平 60.8 度，垂直 47.5 度.

So 60.8 degrees horizontal by 47.5 degrees vertical.

稍后添加:

新款 iPhone 4S 后置摄像头的焦距列为 4.28 毫米，但传感器尺寸与旧款 iPhone 4 相同.因此:

The focal length for the newer iPhone 4S back camera is listed as 4.28 mm, but with the same sensor dimensions as the older iPhone 4. So:

2*atan(2.26/4.28) = 55.7 度，乘以 2*atan(1.695/4.28) = 43.2 度

2*atan(2.26/4.28) = 55.7 degrees, by 2*atan(1.695/4.28) = 43.2 degrees

或者说，与 iPhone 4 相比，视场缩小了大约 4 到 5 度.

or roughly a 4 to 5 degree smaller field-of-view compared with the iPhone 4.

很晚才添加:

据报道，iPhone 5S 后置摄像头的传感器尺寸为 4.89 x 3.67 毫米，焦距为 4.12 毫米.因此:

The sensor size for the iPhone 5S back camera is reported to be 4.89 x 3.67 mm, with a focal length of 4.12 mm. Thus:

2*atan((4.89/2)/4.12) = 61.4 度宽

2*atan((4.89/2)/4.12) = 61.4 degrees wide

2*atan((3.67/2)/4.12) = 48.0 度从上到下

2*atan((3.67/2)/4.12) = 48.0 degrees top to bottom

...或者视野比 iPhone 4 的后置摄像头大一点点.

...or an FOV just a smidge larger than the back camera the iPhone 4.

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