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Fujifilm XF 400mm f4.5 R LM OIS WR Lens
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Fujifilm·CW ID: 16981452·MFR ID: 16981452

XF 400mm f4.5 R LM OIS WR Lens

$3,199.95

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Brand Fujifilm System Fujifilm X

The FUJINON XF400mmF4.5 R LM OIS WR is a super-telephoto prime for X Series bodies, and on an APS-C sensor it frames like a 609mm lens on full frame. The optical formula runs 21 elements in 14 groups, four of them ED and two Super ED, with Super EBC coating to hold down ghosting and flare. That is the part that matters at this focal length: fine feather and fur detail either survives out at 400mm or it does not.

At 2.74 lb (1245 g) and 9.4 inches long, it is short and light for a 400mm, so a full day handheld on a trail or a sideline is realistic. Up to 5.5 stops of optical stabilization and a linear AF motor with focus presets help when a bird leaves the branch before you are ready. The tradeoffs are worth knowing: f4.5 means higher ISO than an f2.8 super-telephoto in early or late light, minimum focus is 108.3 inches (275 cm), and the front filter thread is 95mm, which is not a cheap filter size. If you photograph birds or field sports on an X Series body, our team can walk through whether the reach or the aperture matters more for the way you work.

Buy from an authorized Fujifilm dealer like Camera West to ensure a genuine product with full manufacturer warranty and expert support.

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  • 400mm super-telephoto prime for FUJIFILM X Mount, 609mm equivalent in 35mm terms
  • 21 elements in 14 groups, including 4 ED and 2 Super ED elements
  • Super EBC coating to control ghosting and flare
  • Up to 5.5 stops of optical image stabilization
  • High-speed linear autofocus motor with focus presets for pre-selected focus ranges
  • F4.5 maximum aperture, F22 minimum, 9-blade rounded diaphragm
  • Aperture in 1/3 EV steps across 15 stops
  • Minimum focusing distance of 108.3 in (275 cm), 0.16x maximum magnification
  • Weather-resistant construction, best paired with a weather-resistant X Series body
  • 2.74 lb (1245 g) and 9.4 in (239.5 mm) long
  • 95mm front filter thread
  • Accepts the FUJINON XF1.4X TC WR and XF2X TC WR teleconverters, sold separately

Scope of Delivery:

  • FUJINON XF400mmF4.5 R LM OIS WR lens
  • Front lens cap FLCP-95
  • Rear lens cap RLCP-001
  • Lens hood
  • Lens pouch
  • Tripod collar foot
  • Shoulder strap

Limited Warranty:

The FUJINON XF400mmF4.5 R LM OIS WR is covered by Fujifilm North America's limited warranty. Buying from an authorized Fujifilm dealer such as Camera West ensures your lens is a genuine US-market product backed by Fujifilm's official warranty and service network.

General

Mount: FUJIFILM X Mount

Focal length: 400mm (609mm equivalent in 35mm terms)

Angle of view: 4.1°

Image stabilization: Optical, up to 5.5 stops

Weather resistance: Weather-resistant construction

Filter size: 95mm

Teleconverter compatibility: FUJINON XF1.4X TC WR and XF2X TC WR (sold separately)

Country of origin: Japan

Optical Design

Elements / groups: 21 / 14

Special elements: 4 ED and 2 Super ED

Coating: Super EBC

Focusing

Autofocus: High-speed linear motor with focus presets

Minimum focusing distance: 108.3 in (275 cm)

Maximum magnification: 0.16x

Aperture

Maximum aperture: F4.5

Minimum aperture: F22

Diaphragm blades: 9 (rounded diaphragm opening)

Aperture step size: 1/3 EV (15 stops)

Dimensions

Diameter x length: 4.1 x 9.4 in (104 x 239.5 mm)

Weight: 2.74 lb (1245 g)

Learn More

Reach You Can Carry

A 400mm prime on an X Series body frames like a 609mm lens on full frame, which puts distant birds and the far side of a field inside the frame. It does that at 2.74 lb (1245 g) and 9.4 inches, so it stays a lens you will actually carry to the far end of a trail instead of leaving in the car.

Focus And Stability

A high-speed linear motor drives autofocus, and focus presets let you park the lens on a range you have already chosen so it is not hunting from scratch when something breaks cover. Up to 5.5 stops of optical image stabilization covers handheld work at a focal length where a tripod or monopod is often impractical.

Weather And Teleconverters

The barrel is weather-resistant, and paired with a weather-resistant X Series body it holds up when the day turns wet, dusty, or cold. When 400mm is not enough, the lens accepts the FUJINON XF1.4X TC WR and XF2X TC WR teleconverters, sold separately.

New | Fujifilm X

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