What is non fisheye lens? Wide Angle Lens without Fisheye
A non-fisheye lens is a wide-angle lens that captures a wide field of view without the characteristic distortion and curvature of fisheye lenses. While fisheye lenses are popular for their ability to create dramatic and unique images, non-fisheye wide-angle lenses are often preferred for more natural and realistic representations of scenes.
Non-fisheye lenses typically have a focal length between 14mm and 35mm, with a field of view ranging from 75 to 114 degrees. This range allows for capturing wide landscapes, architecture, and indoor spaces without the distortion and exaggerated curvature seen in fisheye lenses. Non-fisheye lenses are commonly used in professional photography, videography, and cinematography.
The main advantage of non-fisheye wide-angle lenses is that they produce images that look more natural and closer to what the human eye sees. Straight lines remain straight, and objects appear to be in their correct proportions, making non-fisheye lenses ideal for documentary, architectural, and landscape photography. Additionally, non-fisheye lenses are often lighter and smaller than fisheye lenses, making them easier to transport and handle.
Non-fisheye lenses are typically designed with rectilinear projection, which means that the lens projects the scene onto a flat surface without any distortion. This results in straight lines remaining straight and parallel, with the image appearing to be a natural and accurate representation of the scene. However, there may still be some distortion towards the edges of the frame due to the wide-angle nature of the lens.
One of the challenges of using a non-fisheye wide-angle lens is avoiding the distortion that can occur at the edges of the frame. This can be minimized by carefully composing the shot and using techniques such as tilting the camera slightly upwards to avoid converging vertical lines. Some cameras and lenses also include built-in correction algorithms to correct distortion automatically, although this can sometimes result in a loss of sharpness or detail.
In conclusion, non-fisheye wide-angle lenses are a popular choice for many photographers, videographers, and cinematographers due to their ability to capture a wide field of view without the distortion and curvature of fisheye lenses. While they may require some careful composition and technique to avoid distortion, non-fisheye lenses are a versatile and practical tool for capturing stunning images and videos.
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