Skip to product overview

Lensbaby 5.8mm f/3.5 Circular Fisheye

The Lensbaby Fisheye Lens for Fujifilm X is a 5.8mm f/3.5 lens designed for Canon EF, Nikon F, Sony A, Sony E, Micro Four Thirds mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Lensbaby 5.8mm f/3.5 Circular Fisheye

Lensbaby 5.8mm f/3.5 Circular Fisheye

Get notified when one lists.

We'll text or email you the moment a Lensbaby Fisheye Lens for Fujifilm X is listed on GearFocus.

Have a Lensbaby Fisheye Lens for Fujifilm X sitting in your bag?

You'd be the first listing for this model.
Serious buyers are already watching — list yours in minutes.

Sell your Lensbaby Fisheye Lens for Fujifilm X on GearFocus

Available Now on GearFocus

Lens OverviewLensbaby Fisheye Lens for Fujifilm X

The Lensbaby 5.8mm f/3.5 Circular Fisheye is a prime wide-angle lens built for APS-C mirrorless camera systems, offering a distinctive circular fisheye look that sets it apart from conventional optics. With a focal length of 5.8mm and a maximum aperture of f/3.5, this lens is designed for photographers who want to push creative boundaries through an extreme wide-angle perspective. It is a fully manual focus lens with no autofocus capability, which means shooters retain complete control over their focus decisions — a deliberate design choice that suits the experimental, artistic nature of this optic.

The lens weighs a manageable 320g, making it a reasonable addition to a mirrorless kit without adding significant bulk. It is compatible with a broad range of camera mounts, including Canon EF, Nikon F, Sony A, Sony E, and Micro Four Thirds, giving it wide appeal across different mirrorless systems. There is no image stabilization on board, and no filter thread is available, so users should plan accordingly.

This is a lens squarely aimed at creative and experimental shooters working on APS-C mirrorless platforms who want a unique optical tool in their bag.

Key FeaturesLensbaby Fisheye Lens for Fujifilm X

5.8mm Circular Fisheye: Produces a full circular image within the frame, delivering an extreme 185-degree field of view for a distinctly surreal perspective.

APS-C Format Coverage: Designed specifically for APS-C sensors, matching the format of a wide range of current mirrorless camera bodies.

f/3.5 Maximum Aperture: Offers reasonable light-gathering capability for a fisheye prime, useful in lower-light creative shooting situations.

Manual Focus Only: Fully manual focus operation puts complete control in the shooter's hands, suiting the deliberate, artistic style this lens is built for.

Wide Mount Compatibility: Available in Canon EF, Nikon F, Sony A, Sony E, and Micro Four Thirds mounts, covering a broad range of camera systems.

320g Prime Construction: Compact and lightweight at 320g, adding minimal bulk to a mirrorless kit.

Lens SpecificationsLensbaby Fisheye Lens for Fujifilm X

Lensbaby Fisheye Lens for Fujifilm X full specifications
SpecDetail
Use CasesCreative Effects
Lens TypeFisheye
FormatAPS-C
Zoom/PrimePrime
Focal Length5.8mm
Maximum Aperturef/3.5
Camera SystemMirrorless
Lens MountCanon EF, Nikon F, Sony A, Sony E, Micro Four Thirds
AutofocusNo
Focus TypeManual
Image StabilizationNone
Weight320g

DescriptionLensbaby Fisheye Lens for Fujifilm X

The Lensbaby 5.8mm f/3.5 Circular Fisheye is a prime lens with a fixed focal length of 5.8mm and a maximum aperture of f/3.5, purpose-built for APS-C mirrorless camera systems. It falls into the wide-angle fisheye category and is designed for photographers looking to create dramatic, circular-perspective imagery with a strong creative character. Focus is entirely manual — there is no autofocus system — giving the photographer direct, tactile control over the image.

Weighing just 320g, the lens is easy to carry and handle on a mirrorless body. It offers compatibility across five mount systems: Canon EF, Nikon F, Sony A, Sony E, and Micro Four Thirds, making it a versatile special-effect tool that can follow you across different camera platforms. There is no image stabilization and no filter thread, so users should factor those limitations into their workflow planning.

If you are shooting on an APS-C mirrorless system and want a dedicated fisheye prime with broad mount flexibility, this Lensbaby offering is worth serious consideration.

ProsLensbaby Fisheye Lens for Fujifilm X

  • Broad mount compatibility covering Canon EF, Nikon F, Sony A, Sony E, and Micro Four Thirds systems
  • Compact prime design at a fixed 5.8mm focal length — no zoom complexity
  • Maximum aperture of f/3.5 for a fisheye prime lens

ConsLensbaby Fisheye Lens for Fujifilm X

  • Fully manual focus only — no autofocus support whatsoever
  • No image stabilization, which can be a challenge in handheld low-light scenarios
  • No filter thread available, limiting use of traditional screw-on filters

ReviewsLensbaby Fisheye Lens for Fujifilm X

VideosLensbaby Fisheye Lens for Fujifilm X

Lensbaby 5.8mm f/3.5 Circular Fisheye lens review with samples (full-frame and APS-C)Christopher Frost

Resources & DownloadsLensbaby Fisheye Lens for Fujifilm X

Frequently Asked QuestionsLensbaby Fisheye Lens for Fujifilm X

Which camera mounts is this lens compatible with?+
The Lensbaby 5.8mm f/3.5 Circular Fisheye is available in Canon EF, Nikon F, Sony A, Sony E, and Micro Four Thirds mounts. It is designed for APS-C mirrorless camera systems, so you should confirm your specific body's sensor size and mount before purchasing.
Does this lens support autofocus?+
No — this is a fully manual focus lens. There is no autofocus mechanism of any kind. Shooters must focus manually, which is typical for creative and special-effect lenses in this category.
Can I attach filters to this lens?+
No filter thread is listed in the specifications for this lens, so standard screw-on filters cannot be attached. Photographers who rely on filters for creative effects will need to explore alternative solutions.
Does the lens have image stabilization?+
No, the specifications confirm that image stabilization is listed as None. Users should rely on their camera body's in-body stabilization if available, or use appropriate shutter speeds to manage camera shake.
What sensor format is this lens designed for?+
The lens is designed for APS-C format sensors and is intended for mirrorless camera systems. It should not be used on full-frame sensor bodies as it is not rated for that format.
How heavy is this lens?+
The Lensbaby 5.8mm f/3.5 Circular Fisheye weighs 320g, making it a relatively lightweight prime lens that pairs well with compact mirrorless camera bodies without adding excessive weight to your kit.

Similar to Lensbaby Fisheye Lens for Fujifilm X

Loading similar products...