Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO CI Lens - Fujifilm X

The Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO (CI) lens is designed for extreme close-up phot...

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Wex Photo VideoLaowa Light Aksen 17.5Mm F1.7 5-10X Ultra Macro Apo Coaxial Illumination Version Lens For Fujifilm X Veaksen17517fx-Co
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Product Information

Full details

The Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO lens is a specialized tool designed for scientific, industrial, and hobbyist macro photographers who require extreme magnification capabilities on Fujifilm X-mount cameras. Its primary strength lies in its ability to deliver continuous 5x to 10x magnification combined with a Coaxial Illumination (CI) port, which eliminates shadows and reflections on flat, reflective subjects. While it offers unparalleled optical precision, the lens's specialized nature and high magnification range necessitate a stable tripod setup and dedicated lighting, making it less suitable for casual, handheld shooting.

All features

BrandLaowa

Extended Product Information

FAQs

Does this lens have autofocus?

No, the Laowa Aksen 17.5mm is a manual focus lens, which is standard for specialized high-magnification macro photography.

Can I use this lens for non-macro subjects?

This lens is purpose-built for 5x to 10x macro photography and cannot focus at infinity, making it unsuitable for landscape or general-purpose photography.

What is the primary benefit of the CI port?

The CI port allows for coaxial illumination, which directs light along the optical axis. This removes shadows and glares on flat, reflective surfaces.

Do I need a special light source for the coaxial feature?

Yes, you need a compatible fiber-optic light source that can be connected to the CI port to take advantage of the shadow-free lighting.

Is the working distance the same at 5x and 10x?

Yes, the lens maintains a constant 22.5mm working distance throughout the magnification range, which is a major advantage for setting up your lights.

Troubleshooting

Image appears dark even with the CI port in use

Check your external light source intensity and ensure the light fiber is fully seated in the CI port connector.

Difficulty achieving focus on moving subjects

High-magnification macro requires absolute stillness. Use a dedicated, heavy-duty macro focusing rail and ensure the subject is securely mounted.

Visible dust spots on image

Inspect the CI port's light entry point for debris, as any dust located at the illumination focal point will be projected onto the sensor plane.

Pros and Cons

Pros

  • Shadow-free illumination due to the CI port
  • High-level optical clarity with APO correction
  • Reliable, consistent focus with parfocal design
  • Robust magnification range from 5x to 10x

Cons

  • Requires a very stable tripod for high-magnification shots
  • Manual operation can be challenging for beginners
  • Requires external light source to utilize the CI port

Setup, Compatibility & Care

The lens is designed for Fujifilm X-mount bodies. Because the lens features a fixed working distance, users must use a high-precision macro focusing rail to achieve sharp focus on their subjects. To maintain the optical integrity of the APO elements, always store the lens in a humidity-controlled environment. When using the Coaxial Illumination port, ensure that your light source is clean and free of dust, as debris placed at the entry point of the light path will be projected onto your subject. To clean the lens surface, use a high-quality optical blower and a clean, dry microfiber cloth, avoiding liquid cleaning agents that could potentially seep into the internal coaxial mechanism.

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