The Pentax 77mm f/1.8 lens, the brainchild of Japanese lens designer Jun Hirakawa, stands out with its unusual focal length of 77mm and f-stop value of 1.8.

Source:
Pentax 77mm 1.8 Limited Lens in 2026.

The lens was photographed using a Pentax K1 and a Carl Zeiss 35mm f/2 35mm lens