Usually a fisheye lens is always matched with bright F/2.8 maximum aperture, but we do our best to finally develop the first fisheye lens with larger aperture F2, which supports working in difficult lighting conditions with greater light intake, especially shooting the starry sky.

Mixing a comfortable wide-angle design with an ultra-fast maximum aperture, the 17mm f/1.4 lens is designed for use with APS-C-format mirrorless cameras and provides a 25mm equivalent focal length. The optical structure of this lens is 9 elements in 8 groups and the angle of view is 81° .
Characterized by its bright f/1.4 maximum aperture, this lens is adept at working in low-light conditions and also affords increased control over depth of field for selective focus control. 
It's a fast and portable lens well-suited to landscape, nature, and street photography.

APS-C 50mm F1.2 adopts the optical structure of 7 elements in 5 groups. The minimum focusing distance is only 0.5m.Length: 60mm, Width: 62mm. The equivalent focus length of full frame is about 75mm——Professional assistant for your Portrait photography.

From Petapixel
By JARON SCHNEIDER
2020.12.10

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By Iker Morán
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By BASTIANK
2020.10.19