Fujifilm has announced its Fujinon MKX 18-55mm T2.9 and MKX 50-135mm T2.9 cinema lenses for X-mount. These are essentially the same Super 35 lenses that Fujifilm released about a year ago in E-mount and are now available to users of the company's own X-mount mirrorless system.

Combined, the two lenses provide coverage between 18mm and 135mm, a very useful range for video production. Based on the company's much more expensive Cabrio line of cinema optics, the MKX series include properties typically found on much more expensive cine lenses.

Those features include little to no lens breathing, a phenomenon which causes a lens's field of view to change slightly as it's focused, a parfocal design, meaning that the lens will maintain precise focus while zooming and 200 degrees of focus rotation with hard stops in order to work well with a follow focus setup.

The Fujinon MKX18-55mm T2.9 and MKX 50-135mm T2.9 cinema lenses are X-mount versions of the MK series lenses released about a year ago for E-mount (shown here on a Sony FS7 camera).

Additionally, the MKX lenses are also matched to have the same exact weight, dimensions, gearing and 82mm filter threads, meaning that it's possible to switch between the two lenses easily without making any modifications to your rigging, such as the position of tools like a follow-focus or matte box.

We provided a hands-on look at both the MK18-55mm T2.9 and MK50-135mm T2.9 lenses in E-mount when they were released, and since they're the same lenses (except for the mount) those articles can give you a more detailed overview of both lenses.

The MKX 18-55mm T2.9 and lens will cost $3,999, while the MKX 50-135mm T2.9 will cost $4,299. Both lenses are expected to be available in spring or summer 2018.

Press release:

FUJIFILM ANNOUNCES NEW ULTRA-COMPACTCINEMA LENSES, FUJINON MKX18-55MMT2.9 AND FUJINON MKX50-135MMT2.9 FOR X MOUNT

High Performance, Lightweight Cinema Lenses for the X Series Line of Mirrorless Interchangeable Lens Digital Cameras

Valhalla, N.Y., February 15, 2018 – FUJIFILM North America Corporation today announced the launch of FUJINON MKX18-55mmT2.9 and FUJINON MKX50-135mmT2.9 cinema lenses for X Mount, new additions to the X Series line of interchangeable lenses.

Available in June 2018, these cinema lenses offer a lightweight and compact design with the same optical performance and operability as larger cinema lenses in their class. They cover 18-135mm–the most frequently used focal length in video production–and achieve a constant T2.9 aperture across the entire zoom range, enabling a shallow depth of field and beautiful bokeh effect. With an enhanced optical and mechanical design, the MKX18-55mm and MKX50-135mm suppress focus shifts while zooming and reduce lens breathing, ensuring continuous sharp output. In line with the optical performance of the XF16-55mm and XF50-140mm lenses, these new MKX lenses offer a range of features that enable ease-of-use for capture in a wide array of shooting situations.

“The growth of video production has created a large demand among videographers and cinematographers for compact and easy-to-use lenses,” said Yuji Igarashi, General Manager of the Electronic Imaging Division & Optical Devices Division at FUJIFILM North America Corporation. “In keeping with our commitment to deliver innovative products and solutions, Fujifilm has recognized this need and has introduced the MKX18-55mm and MKX50-135mm lenses, offering a lightweight design and affordable price point, while delivering great optical performance and operability as other professional cinema lenses.”

Advanced Optical Performance in a Compact, Lightweight Lens Barrel

The MKX18-55mm and MKX50-135mm are lightweight and compact; achieving advanced optical performance utilizing the short flange focal distance of X Mount. This feature reduces the number of people needed for the shooting process, ideal for small budget productions.

In addition, the lenses offer advanced optical performance across the entire zoom range. Achieving T2.9 aperture, they facilitate the bokeh effect with shallow depth-of-field eliminating the need to readjust lighting. Combined, these features not only lead to beautiful videos, but also shorten shooting time, making the MKX lenses a very economical choice for movie production. Further adding to its superior output, contact with an X Series camera corrects distortion, color, brightness and achieves Fujifilm’s various Film Simulation modes.

Featuring an Optical and Mechanical Design Ideal for Video Shooting

The optical and mechanical approach employed in these new MKX lenses allows for elimination of time lag that is usually experienced with electrical control systems. Manufacturing technology developed for conventional FUJINON cinema lenses was applied to control the optical axis shift while zooming. The front inner-focusing system controls lens breathing, allowing for smooth focus over an entire scene. Additionally, when zooming, focus shift is suppressed by independently driving the front focusing group and zooming group of lens elements away from each other.

Comfortable Operability Provided Through Dedicated Cinema Lenses

The MKX18-55mm and MKX50-135mm feature three fully manual rings for independent adjustment of focus, zoom and aperture, allowing for intuitive operation. The focus ring offers a rotation of a full 200 degrees to facilitate precise focusing even when shooting with a shallow depth-of-field where a high degree of precision is required. Further, all operation rings have a gear pitch of 0.8 m, allowing the use of all standard third party accessories for video production. With an iris that supports seamless adjustment, precise and silent exposure is achieved while preventing camera shake caused by clicking, making these lenses perfect for a wide array of shooting situations.

Standardized Design for Ease of Operation

Adding to their high quality video production, these MKX lenses are designed for ease-of-use. The gears for all three rings are positioned in the same place eliminating the need to re-position accessories when switching lenses. Only one matte box with an 85mm front diameter and one filter size with a filter thread of 82mm are needed between the two lenses. Equipped with a macro function that allows shooting close-ups to broaden the range of scenes that can be covered with one lens, optimum performance is achieved.

FUJINON MKX18-55mmT2.9 Key Features

  • Compatible with all FUJIFILM X Series interchangeable system cameras
  • Compact, lightweight lens weighing just 1,080g with external dimensions (maximum diameter x length) of 87mm x 206.6mm
  • Comprised of 22 glass elements in 17 groups with 6 super extra low dispersion lens elements and 2 extra low dispersion lens elements
  • Achieves maximum aperture of F2.8 and minimum aperture of F22 for close-up shots
  • Focus range of 0.85m/2ft 9” with wide macro function and 0.38m/1ft 2.9” at wide end and angle of view at 76.5° - 29.0°

FUJINON MKX50-135mmT2.9 Key Features

  • Compatible with all FUJIFILM X Series interchangeable system cameras
  • Compact, lightweight lens weighing just 1,080g with external dimensions (maximum diameter x length) of 87mm x 206.6mm
  • Comprised of 22 glass elements in 17 groups with 2 extra low dispersion lens elements and 2 super extra low dispersion lens elements
  • Achieves maximum aperture of F2.8 and minimum aperture of F22 for close-up shots
  • Focus range of 1.2 m/3 ft. 11” with wide macro function and 0.85 m/2 ft. 9” at wide end and angle of view at 31.7° - 12.0°

Accessories Included in Both Lenses

  • Tripod collar foot
  • Support foot
  • Zoom lever
  • Lens cap
  • Lens rear cap
  • Lens hood
  • Wrapping cloth

Availability and Pricing

The FUJINON MKX18-55mmT2.9 and cinema lens will be available in Spring/Summer 2018 in the U.S. and Canada for USD $3,999.95.

The FUJINON MKX50-135mmT2.9 cinema lens will also be available in Spring/Summer 2018 in the U.S. and Canada for USD $4,299.95.

Fujinon MKX 18-55 T2.9 / MKX 50-135mm T2.9 specifications

 Fujifilm Fujinon MKX 18-55mm T2.9Fujifilm Fujinon MKX 50-135mm T2.9
Principal specifications
Lens typeZoom lens
Max Format size35mm FF
Focal length18–55 mm50–135 mm
Image stabilizationNo
Lens mountFujifilm X
Aperture
Maximum apertureF2.8
Minimum apertureF22
Aperture ringYes
Number of diaphragm blades9
Aperture notesSeamless iris mechanism
Optics
Elements22
Groups17
Special elements / coatings6 super ELD + 2 ELD elements6 Super ED + 2 ELD elements
Focus
Minimum focus0.38 m (14.96)0.85 m (33.46)
AutofocusNo
Full time manualYes
Focus methodInternal
Distance scaleYes
DoF scaleNo
Physical
Weight1080 g (2.38 lb)
Diameter87 mm (3.43)
Length207 mm (8.15)
SealingNo
ColourBlack
Zoom methodRotary (internal)
Power zoomNo
Filter thread82 mm
Hood suppliedYes
Tripod collarYes