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Rokinon 8mm f/3.5 CS II Fish-Eye Lens

The Rokinon 8mm f/3.5 CS II is a 8mm f/3.5 lens designed for Canon EF, Nikon F, Sony E, Micro Four Thirds mount cameras. Used copies start from $73.44 on GearFocus, with buyer protection on every purchase.

Rokinon 8mm f/3.5 CS II Fish-Eye Lens

Rokinon 8mm f/3.5 CS II Fish-Eye Lens

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Rokinon Manual Focus 8mm f3.5 UMC CS II Fish-Eye Lens Nikon

Condition: Good

Product Highlights

  • 8mm Fisheye Lens for APS-C Cameras
  • 180-Degree Field of View
  • Detachable Lens Hood
  • Multi-Layer Coating for Reduced Flare

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Rokinon Manual Focus 8mm f3.5 UMC CS II Fish-Eye Lens Nikon
Rokinon Manual Focus 8mm f3.5 UMC CS II Fish-Eye Lens Nikon

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Lens Overview — Rokinon 8mm f/3.5 CS II

The Rokinon 8mm f/3.5 CS II Fish-Eye Lens is a prime fisheye lens built specifically for APS-C format camera systems. With a fixed focal length of 8mm and a maximum aperture of f/3.5, this lens is aimed at photographers seeking a wide, immersive perspective without the complexity of a zoom mechanism. As a manual focus lens, it puts full creative control in the shooter's hands, making it well-suited for deliberate, considered compositions where autofocus speed is not a priority.

The lens is available in a notable range of mounts — Canon EF, Nikon F, Sony E, and Micro Four Thirds — giving it broad compatibility across the most popular DSLR and mirrorless systems on the market. At 420g, it carries a moderate weight that should balance reasonably on most crop-sensor bodies. The fisheye character of this lens lends itself to creative applications including architecture, landscapes, action sports, and experimental work where the dramatic curvature of a fisheye perspective adds visual interest.

The APS-C format designation means it is optimized for crop-sensor cameras rather than full-frame bodies. With no image stabilization onboard, photographers will need to rely on their own technique or in-body stabilization where available.

Key Features — Rokinon 8mm f/3.5 CS II

8mm Fisheye Prime: Fixed 8mm focal length delivers a full fisheye perspective on APS-C cameras, producing the characteristic wide, curved distortion suited to architecture, landscapes, and action sports.

APS-C Format Design: Optimized for crop-sensor cameras, ensuring full image circle coverage without vignetting on APS-C bodies.

f/3.5 Maximum Aperture: Reasonably wide aperture for a fisheye prime, allowing usable performance in lower light conditions without relying solely on high ISO settings.

Manual Focus Only: Dedicated manual focus ring gives photographers direct, tactile control over focus placement, well-suited to deliberate creative compositions.

Multi-Mount Availability: Available in Canon EF, Nikon F, Sony E, and Micro Four Thirds mounts, covering a broad range of popular DSLR and mirrorless camera systems.

180° Field of View: Captures a full 180-degree diagonal angle of view on APS-C sensors, producing the immersive, curved perspective characteristic of fisheye lenses.

Lens Specifications — Rokinon 8mm f/3.5 CS II

Rokinon 8mm f/3.5 CS II full specifications
SpecDetail
Use CasesCreative Effects, Landscape, Architecture
Lens TypeFisheye
FormatAPS-C
Zoom/PrimePrime
Focal Length8mm
Maximum Aperturef/3.5
Camera SystemDSLR
Lens MountCanon EF, Nikon F, Sony E, Micro Four Thirds
AutofocusNo
Focus TypeManual
Image StabilizationNone
Weight420g

Description — Rokinon 8mm f/3.5 CS II

The Rokinon 8mm f/3.5 CS II Fish-Eye Lens is a prime fisheye lens purpose-built for APS-C format cameras. Its 8mm fixed focal length and f/3.5 maximum aperture make it a straightforward choice for photographers drawn to the dramatic, curved rendering that fisheye lenses produce. Operating as a manual focus lens, it rewards a deliberate shooting style and is well-suited to architecture, landscapes, creative portraiture, and action photography where the fisheye look is intentional.

Broad mount support across Canon EF, Nikon F, Sony E, and Micro Four Thirds means this single lens design reaches a wide audience of crop-sensor shooters. The lens weighs 420g, striking a balance between substance and portability. There is no image stabilization, so a steady hand or stable platform is advisable.

No filter thread size is specified, which is typical for fisheye designs with a protruding front element.

Pros — Rokinon 8mm f/3.5 CS II

  • ✓Wide mount compatibility across Canon EF, Nikon F, Sony E, and Micro Four Thirds systems
  • ✓Fixed 8mm focal length on APS-C format delivers a dedicated fisheye perspective
  • ✓Maximum aperture of f/3.5 provides reasonable light-gathering for a fisheye prime

Cons — Rokinon 8mm f/3.5 CS II

  • ✗No autofocus support — manual focus only, which may limit use in fast-paced shooting scenarios
  • ✗No image stabilization, requiring steady technique in lower light conditions
  • ✗APS-C format only — not suitable for full-frame camera bodies

Resources & Downloads — Rokinon 8mm f/3.5 CS II

Manuals & Guides

Frequently Asked Questions — Rokinon 8mm f/3.5 CS II

Which camera mounts is this lens available in?+
The Rokinon 8mm f/3.5 CS II is available in Canon EF, Nikon F, Sony E, and Micro Four Thirds mounts. This covers a broad range of both DSLR and mirrorless systems, so be sure to select the correct mount for your specific camera body.
Does this lens have autofocus?+
No — this lens is manual focus only. There is no autofocus mechanism, so focus must be set by hand using the focus ring. This is worth considering if you plan to shoot fast-moving subjects.
Will this lens work on a full-frame camera body?+
This lens is designed for APS-C format cameras. While it may physically mount on a full-frame body depending on the mount version, it is not optimized for full-frame sensors and image quality may be compromised outside the APS-C image circle.
Does the lens have image stabilization?+
No, the Rokinon 8mm f/3.5 CS II does not include any image stabilization. Photographers shooting in low light or at slower shutter speeds will need to rely on camera technique or any in-body image stabilization their camera may provide.
How heavy is this lens?+
The lens weighs 420g, making it a moderately weighted prime that should be manageable on most APS-C format camera bodies without adding excessive bulk to your kit.

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