Video Knowledge
Learn fundamental knowledge of video editing

Those who are planning to buy new camera lenses may be little confused while making understanding for the basic specifications and features. If so, then the article below can be helpful for you as it contains details about best lenses for 4k cameras.







![How to Remove Watermark from Videos [8 Proven Solutions]](https://images.wondershare.com/filmora/article-images/2022/05/remove-video-watermark.jpg)






![Change Aspect Ratio Between 16:9, 9:16, 4:3, 1:1 - An Ultimate Guide [2022]](https://images.wondershare.com/filmora/article-images/adjust-frame-box-auto-reframe.jpg)











This article will tell you what is 360 camera and the application of 360 degree cameras in the market.







![Change Aspect Ratio Between 16:9, 9:16, 4:3, 1:1 - An Ultimate Guide [2022]](https://images.wondershare.com/filmora/article-images/adjust-frame-box-auto-reframe.jpg)
How do you change the aspect ratio of a video between 4:3, 1:1, 9:16, and 16:9? In this article, I’ll share with you how to change the aspect ratio in Filmora step by step.



![How to Remove Watermark from Videos [8 Proven Solutions]](https://images.wondershare.com/filmora/article-images/2022/05/remove-video-watermark.jpg)




There are many video editors for Mac in the market, so it is hard to pick up one that you like. This article introduces the best 10 free video editing software for Mac.







