








Fujifilm MKX18-55mm T2.9
Pairs well with
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Suppress optical axis shift while zooming
Standardized design for ease of operation
Only one matte box between the MKX lenses is needed with a 85mm front diameter. • Only one filter size between the MKX lenses is needed with a filter thread of 82mm. • The gears for the three rings are positioned in the same place so as to eliminate the need to re-position accessories when switching MKX lenses. • The lenses have a macro function that allows shooting close-up to broaden the range of scenes that can be covered with one lens. • MK18-55mm: Minimum Object Distance*1 of 0.38m (wide end) • MK50-135mm: Minimum Object Distance of 0.85m (wide end) • The lenses feature a Flange Focal Distance adjustment function*2 to achieve optimum camera and lens matching, bringing out the lenses’ full optical performance.

Advanced optical performance
Comfortable operability
The focus ring features 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. • The lens features three fully manual rings to enable independent adjustment of focus, zoom and iris (aperture). This enables intuitive operations which cannot be attained with an electrical mechanism that typically causes time lag. • All the operation rings have a gear pitch of 0.8M, the same as all other FUJINON cine lenses, which allows the use of all standard third party accessories for video production, e.g. Follow Focus that enable accurate and smooth focusing. • The iris supports seamless adjustment that is free of clicking. This enables precise and silent exposure adjustment while also preventing camera shake caused by the clicking.

Suppress lens breathing
Optical and Mechanical Design
Specs
Description
The MKX18-55mmT2.9 is a high-performance cinema lens for the X Series, offering professional-grade video quality and full manual control. Covering a 27–84mm equivalent range with a constant T2.9 aperture, it delivers shallow depth of field, smooth bokeh, and minimal focus shift, breathing, or optical axis shift—ensuring precise, reliable performance for serious filmmaking.
Specification
- Model Number - MKX18-55mmT2.9
- Release Date - June 21, 2018
- Lens Configuration - 22 elements in 17 groups (2 ED lenses, 6 super ED lenses)
- Focal Length - f = 18–55 mm (35mm equivalent: 27–84 mm)
- Angle of View - 76.5° – 29.0°
- T-Number - T2.9
- Maximum Aperture Ratio (Open Aperture) - F2.8
- Minimum Aperture - F22 – Close
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Aperture Format
- 9 blades (circular aperture)
Step: No step -
Shooting Distance Range
- 0.85 m (2 ft 9 in) – ∞
[0.38 m (1 ft 2.9 in) – ∞ at wide end during macro operation] - External Dimensions (Approx.) - φ87 mm × 206.6 mm (from tip to mount reference surface)
- Mass (Approx.) - 1,080 g (excluding lens cap, hood, tripod mount, and support foot)
- Front Frame Diameter - 85 mm
- Filter Size - φ82 mm
- In The Box - Tripod seat / Support foot / Zoom lever / Lens cap FLCP-82 / Lens rear cap RLCP-001 / Lens hood / Wrapping cloth
Included in the Box
Quick Start Guide

Lens

Lens hood

Lens Wrapping Cloth
FAQs
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