Φακοί Fujinon X-mount

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Fujifilm XF 400mm f/4.5: 609mm Reach at 2.74 lbs | Fstoppers

Fujifilm's new XF 400mm f/4.5 delivers 609mm full-frame equivalent reach in just 2.74 lbs with 5.5 stops of stabilization, linear autofocus, and weather sealing. Designed for wildlife, bird, and sports work.
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FUJIFILM XF 400mm f/4.5 R LM OIS WR Lens - Newsshooter

FUJIFILM has announced its new XF 400mm f/4.5 R LM OIS WR Lens that was designed for wildlife, sports, etc. It is being touted as a lightweight super telephoto prime lens with a constant f/4.5 aperture. The lens weighs in at 2.74 lb / 1.24 kg and is 9.4″ / 239.5 mm in length. According to...
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Key features​

  • APS-C | f/4.5 to f/22
  • 600mm (Full-Frame Equivalent)
  • Lightweight Super-Telephoto Prime
  • High-Speed Linear Autofocus Motor
  • Optical Image Stabilization
  • Four ED and Two Super ED Elements
  • Rounded 9-Blade Diaphragm
  • Weather-Resistant Construction
 
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SUMMARY: The Fujinon XF 400mm F4.5 R LM OIS WR is a high-quality telephoto lens for Fujifilm’s APS-C system, offering impressive optical performance and solid build quality. Despite its substantial 400mm reach, equivalent to 609mm in full-frame terms, it faces challenges with autofocus, being held back by limitations within Fujifilm’s camera systems. The lens features effective image stabilization and is weather-resistant, making it suitable for various shooting conditions. Thee XF 400mm stands out for its design and handling, especially for dedicated Fuji users.


Strengths:

  • Excellent optical performance with impressive sharpness and minimal distortion.
  • Solid build quality and weather resistance, featuring premium materials and design.
  • Versatile focal length, especially when paired with Fujifilm’s teleconverters.
  • User-friendly features, including an aperture ring and customizable focus modes.
Weaknesses:

  • Autofocus performance is inconsistent, limiting the lens’s full potential.
  • Heavier than some competitors, like Sony’s 400mm F4.5 GM lens.
  • Higher price point compared to some alternatives, making it a significant investment.





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Fujinon XF 400mm F4.5 OIS Review | A High End APS-C Telephoto​

Dustin Abbott





Pros:​

  • Optical Performance:
    • Exceptional sharpness across the frame, maintaining detail from center to corner.
    • Excellent control of chromatic aberration, resulting in clean transitions in high-contrast scenarios.
    • Minimal distortion and vignetting without corrections, enhancing overall image quality.
  • Build Quality:
    • Constructed with high-quality materials, combining metals and robust composites for durability.
    • Aesthetic design with a chic pearlescent finish and unique green accent ring.
  • Weather Resistance:
    • 20 weather-sealing points protect against dust and moisture, rated for operation in temperatures down to -10°C.
  • User Features:
    • Inclined with an aperture ring with light detents, enhancing tactile feedback for manual adjustments.
    • The lens hood is designed to prevent inadvertent movement and allows for easy access to filters.
    • Tripod collar features Arca-Swiss compatibility, eliminating the need for an additional plate.
  • Versatility:
    • Compatible with Fujifilm’s 1.4x and 2x teleconverters, expanding the focal length for greater shooting options.
    • The ability to shoot at wide apertures, allowing for creative depth-of-field effects.

Cons:​

  • Autofocus Limitations:
    • Inconsistent autofocus performance, especially with fast-moving subjects or in challenging lighting conditions.
    • Difficulty in acquiring focus quickly, often requiring patience and refined shooting techniques.
  • Weight and Size:
    • Heavier than some competitors in the same focal length category, making it less ideal for extended handheld use.
    • Larger dimensions may be cumbersome in specific shooting scenarios or for travel.
  • Price Point:
    • Positioned at a higher price range ($3199 USD), potentially limiting accessibility for casual photographers.
    • Comparatively more expensive than rivals, despite the autofocus drawbacks, which may deter prospective buyers.
  • Limited Close-Range Capabilities:
    • Minimum focus distance of 2.75 meters may limit shooting opportunities for close-up subjects, primarily focusing on distant subjects.
  • Teleconverter Trade-offs:
    • Some loss of optical performance (contrast and detail) when using the 1.4x teleconverter, with significant compromises when using the 2x teleconverter (F9 maximum aperture).
 
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