True 180degree fisheye lens,best service and fast delivery.

Fisheye Lens 46mm or 52mm
Specifications
Magnification 0 .42x
Rear Mount Diameter 46/52mm
Front Diameter mm
Construction, Elements/Groups 2E/2G Lens Diameter 55mm
Length 40mm
Weight 100g
Item includes
Lens Pouch
Front and Rear Lens Cover
Cleaning piece

In photography, a fisheye conversion lens is a wide-angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology to study cloud formation and called "whole-sky lenses", fisheye conversion lens quickly became popular in general photography for their unique, distorted appearance. fisheye conversion lens are often used by photographers shooting broad landscapes to suggest the curve of the Earth. Hemispherical photography is used for various scientific purposes to study plant canopy geometry and to calculate near-ground solar radiation.