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Owner's Manual for Fujifilm Fujinon XF100-400mm F4.5-5.6 R LM OIS WR Lens

Comprehensive owner's manual for the Fujifilm Fujinon XF100-400mm F4.5-5.6 R LM OIS WR lens. Includes setup, operation, maintenance, and technical specifications.

Table of contents

Manual images

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Quick Guide from the Manual

This manual provides essential information for the safe and correct operation of your Fujinon XF100-400mm F4.5-5.6 R LM OIS WR lens. Before using the lens, ensure your camera firmware is updated to the latest version to ensure full compatibility with all lens features.

Parts of the Lens

The lens features several controls, including:

Lens components diagram
Lens components diagram
  • Focus ring: For manual focus adjustments.
  • Zoom ring: To adjust the focal length.
  • Aperture ring: To control the aperture (f-stop).
  • O.I.S. switch: To enable or disable Optical Image Stabilization.
  • Focus range selector: Choose between FULL (all distances) or 5m-infinity for faster autofocus.
  • Tripod collar: Allows for rotating the camera between landscape and portrait orientation while mounted on a tripod.

Operation

Lens hood attachment
Lens hood attachment
Focus range selector
Focus range selector
Tripod collar attachment and rotation
Tripod collar attachment and rotation
Zoom operation
Zoom operation
Aperture operation
Aperture operation

Zooming

Rotate the zoom ring to adjust the focal length. Rotating left zooms out (wider angle), and rotating right zooms in (telephoto).

Aperture Control

For automatic aperture control, set the aperture mode switch to A. For manual control, set the switch to the aperture icon and rotate the aperture ring. Rotating left increases the aperture (lower f-number), while rotating right decreases it (higher f-number).

Focus Range Selector

Use the selector to limit the autofocus range. FULL is for general use, while 5m-∞ is recommended for faster focusing when shooting subjects at distances of 5 meters or more.

Optical Image Stabilization (OIS)

Slide the O.I.S. switch to ON to activate image stabilization, which helps reduce blur caused by camera shake.

Maintenance and Care

  • Cleaning: Use a blower to remove dust. For smudges, use a small amount of lens cleaner on a soft, clean cloth or lens tissue, wiping in a circular motion from the center outwards.
  • Storage: Keep the lens in a cool, dry place. Always attach the front and rear caps when not in use.
  • Precautions: Do not use organic solvents like paint thinner or benzene. Keep the lens dry and avoid extreme heat.

Important Safety Information

Warning: Do not look directly at the sun through the lens or camera viewfinder, as this can cause permanent vision damage. Do not disassemble the lens. If the lens is damaged, do not touch exposed internal parts; remove the battery and consult your dealer.

Manufacturer information

Fujifilm Corporation

Brand profile

Practical help

Common problems

Lens features not working

Ensure your camera firmware is updated to the latest version.

Audible sound or vibration when camera is off

This is normal; it is caused by the linear motor magnets disengaging.

Water ingress

Wipe any water off the lens before using the zoom ring to prevent water from entering the lens.

Before use

  • Check camera firmware version
  • Ensure lens signal contacts are clean
  • Attach lens hood correctly
  • Verify tripod collar lock is secure

Specs in practice

Focal length
100-400mm (152-609mm in 35mm format)
Max. aperture
f/4.5-5.6
Min. aperture
f/22

Images and diagrams

  • Parts diagram showing hood, rings, switches, and tripod mount.
  • Tripod collar attachment and rotation instructions.
  • Zoom and aperture ring operation directions.

Model compatibility

  • Not compatible with X mount film cameras.

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.