High resolution images,supports 35mm full-frame sensors

Newly designed optical and mechanical structure to achieve hight resolution images in hight quality ED, hight refractive index glass combination to ensure rich picture detail,effective reduction of color shift,and more artistic image rendering.

Subtle breathing effect

In the design process of the lens group,while ensureing the lens size,wieght,image quanlity and othere foctors,the breathing effect has been greatly optimized.

T2.0 large aperture soft and natureal bokeh images

The "Spectrum" series offers a maximum aperture T2.0, minimum aperture T16(35MM minimum aperture T22) constant aperture,the amount of light intake always remains constant,shooting bright images in low-light conditions 10 aperture blades (50mm 12 blades) to create a soft bokeh and natural focus trnsition the picture is vivid and not hard.

Uniform color balance

The whole series of lenses have a uniform color balance,so after changing lenses or switching between different materials still have uniform color,reducing post-processing pressure.

310 ultra-long focusing stroke more precise and fine

Infinitely focuse gear design,ultra-long 310 focusing stroke,can be adapted to a variety of follow focus,to ensure accurate focus during shooting, more delicate focus movement,in line with the requirements of professionals on focus performance.

(270 focusing stroke for 50mm/85mm)

Simple and more convenient operation

The whole series has a uniform gear position and front lens aperture, so there is no need to adjust the position and other accessories too much after changing the lens.