Fujinon MK Series

What is the Fujinon MK Series?

The Fujinon MK Series is a line of affordable cinema zoom lenses designed for Super 35mm and APS-C sensors. They’re available in E-mount and X-mount, making them especially popular with Sony FS series users and Fujifilm filmmakers.

How does the Fujinon MK Series work?

These lenses feature manual focus, zoom, and aperture rings with cine-style gearing, a parfocal design (maintains focus while zooming), and minimal focus breathing. They’re lightweight compared to traditional cinema zooms, making them perfect for handheld or gimbal work.

Pros

• True parfocal zooms at an affordable price.

• Minimal distortion and focus breathing.

• Lightweight for cinema glass (around 1kg).

• Consistent color and mechanics across lenses.

• Professional cine-style focus/iris/zoom rings.

Cons

• Only available in E-mount and X-mount (no native EF/PL).

• Super 35 coverage only — no full-frame option.

• Fully manual — no autofocus or electronic aperture.

• Smaller lineup compared to higher-end Fujinon cine lenses.

Best Features of the Fujinon MK Series

• Parfocal design for smooth zooms.

• Compact and lightweight — ideal for run-and-gun.

• Consistent T2.9 aperture.

• Affordable entry into cinema glass. Who are Fujinon MK Lenses best for? Independent filmmakers, documentary shooters, and small crews using Sony E-mount or Fujifilm X-mount cameras who want professional cine zooms without breaking the bank. Fujinon MK Verdict: Are they worth it? Yes — the MKs are one of the best-value cinema zooms available, offering high-end Fujinon performance at a fraction of the price.

FAQ

Q: Can MK lenses be adapted to PL mount?

A: Not natively — they’re built for E-mount and X-mount only.