Offering an extremely wide field of view in a compact form factor, the 4mm f/2.8 Circular Fisheye Lens from 7artisans Photoelectric provides a 225° angle of view for Micro Four Thirds-mount mirrorless cameras. As a circular fisheye, this lens is characterized by its noticeable distortion, and the greater-than-180° angle of view enables making 360° stitched panoramas with just two shots. Well-suited for low-light conditions, the lens sports a bright f/2.8 maximum aperture, and its manual focus design permits working with subjects as close as 3.3" away for close-up shooting, Additionally, the lens's lightweight design makes it well-suited for use on drones and gimbals.

Ultra wide-angle 4mm f/2.8 prime is designed for Micro Four Thirds-mount mirrorless cameras and provides an 8mm equivalent focal length.

Bright f/2.8 maximum aperture is well-suited to working in low and difficult lighting conditions.

Exceptionally wide 225° angle of view along with a circular fisheye design produces a highly distorted image for creative applications as well as the potential to stitch images together for full 360° panoramas.

Manual focus design offers a minimum focusing distance of 3.3".

Lightweight and small design makes this lens suitable for use on drones and gimbals.