源论文：

Nasal Distortion in Short-Distance Photographs

Brittany Ward, BS; Max Ward, BS; Ohad Fried, PhD; et al

Research Letter | March 1, 2018

相关的科学新闻：

你需要5英尺长的手臂才能拍出完美的自拍，这是你的面部特征不会被相机歪曲的理想距离。

通常情况下，从12英寸远自拍自己的面孔，这可能会导致一个“哈哈镜”的效果，使你的鼻子看起来比真实大小大30%。

见：

There’s Actually a Scientific Reason Why Your Selfies Don’t Look Good

There's A Scientific Reason for Why You Look Weird In Selfies

time.com/40254/selfies-science/

相关：

Why your selfie makes you look seven years older - The Telegraph

www.telegraph.co.uk/beauty/skin/why-your-selfie-makes-you-look-seven-years-older0/

How To Take A Good Selfie: 12 Selfie Tips To Consider | Allure

www.allure.com/story/how-to-take-good-selfies

How to take the perfect selfie - The Verge

www.theverge.com/2017/5/10/15606498/how-to-take-the-perfect-selfie