Sony 4K CineAlta Primes

Accessories

 

The CineAlta 4K Six Lens Kit includes the 20, 25, 35, 50, 85 and 135mm cine prime lenses from Sony. Each lens has a fast maximum aperture of T2, with a circular 9 blade iris, and cover Super 35mm sized sensors.

The CineAltas lenses sit in robust, metal housing and all except the 135mm lens have the same compact design and the same front diameter and lens length. The geared lens rings are all in the same relative locations, too, so it’s possible to change lenses on set without having to move accessories such as follow focus. Each lens also has a nine-bladed iris, and a focus that rotates 240-degrees. 

All lenses have a maximum aperture of T2
Circular aperture with 9 blade iris
Full metal construction
One aspherical element
Designed for CineAlta 4K cameras
ARRI PL mount

 

https://www.sony.co.uk/pro/article/broadcast-products-cinealta-lenses-impress-cinematographers

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