Nowadays, the use of Fisheye Lenses is commonplace across various applications including photography, weather monitoring, surveillance, and detection due to the unique features of fisheye lenses. What are fisheye lenses indeed? What is the structure of fisheye lenses and what are the advantages and disadvantages of fisheye lenses? In this article, we will discuss the questions about fisheye lenses above and more.
First of all, a Fisheye Lens is an ultra wide-angle lens with an extensive field view and produces wide panoramic or hemispherical images. Fisheye lenses are designed to achieve the maximum photographic angle of the lens, the front lens of this photographic lens is very short in diameter and protrudes towards the front of the lens, which is quite similar to the eye of a fish, hence the name “fisheye lens”. Therefore, there is a big difference between the fisheye lens and the real-world scene in people’s eyes.
The original design intention of Fisheye lenses is to help meteorologists detect and diagnose the weather. Over time, its applications expand. With its appealing advantages of providing users with massive fields of view and substantial depth of field, fisheye lenses excel in offering expansive visual scopes and find widespread uses in fields like photography, thermal imaging, astronomical observation, etc.
Therefore, building a clear understanding of fisheye lenses might be very worthwhile regardless you’re an optical professional or just an amateur.