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Small black metal fisheye lens, Fuji X mount, manual focus ring, 6.5mm f/2, 2.25 inches square

Opteka

Opteka 6.5mm f/2 Fisheye Lens Fuji X Mount

SKU CH-R5E5-6VM9A

A 6.5 mm f/2 manual-focus fisheye lens for Fujifilm X-mount APS-C cameras delivers a 190-degree diagonal view with 18-point sunstars from a nine-blade aperture and focuses as close as 0.05 m

  • Part type or numberCompact ILC Lenses
  • Focus systemManual Focus
  • Lens focal length6.5 mm
  • Lens apertureMaximum: f/2.0 Minimum: f/22
  • Lens mountFujifilm X mount
  • Optical construction6 elements in 5 groups
  • 190-degree diagonal view captures ultra-wide scenes
  • f/2 aperture enables low-light and shallow-depth shooting
  • 9-blade diaphragm creates sharp 18-point sunstars
  • 05 m minimum focus allows extreme close-ups
  • all-metal barrel with HD coating resists flare and ghosting

Ultra-Wide Fisheye for Fuji X APS-C

The Opteka 6.5mm f/2 is a manual-focus fisheye lens built for Fujifilm X-mount APS-C cameras. It delivers a diagonal angle of view of 190-degrees, creating a distinctive perspective with extreme deformation. Photographers and videographers seeking creative ultra-wide imagery for artistic, architectural or immersive video work will find this lens suitable. It is not for buyers who want autofocus, image stabilization or a rectilinear wide-angle view.

Bright Aperture and Close Focus

A maximum aperture of f/2.0 allows composition in lower light without relying on high ISO settings. The 9-blade diaphragm produces 18-point sunstars when stopped down toward the minimum f/22. Minimum focusing distance is 0.05m (1.9 inches), enabling sharp focus on subjects nearly touching the front glass. The lens has no electronic contacts, so exposure and focus are entirely manual.

All-Metal Build with 6-Element Optics

The barrel is constructed from metal for durability and precise handling. Optical construction uses 6 elements in 5 groups, including one SD super-low dispersion element to minimise chromatic aberration. High-definition anti-reflective coating suppresses flare and ghosting. The lens measures 2.25 x 2.5 x 2.25 in. and weighs .58 lb. It accepts no front filters due to the protruding fisheye element.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $68.99
Cheaper than about 93% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameOpteka
Model nameOPTM6520F
Part type or numberCompact ILC Lenses
Product typeFixed Length Lens
Product colorBlack
Audio & video
Focus systemManual Focus
Lens focal length6.5 mm
Lens apertureMaximum: f/2.0 Minimum: f/22
Lens mountFujifilm X mount
Optical construction6 elements in 5 groups
StabilizationNo
Auto-focusNo
Size & build
Product dimensions2.25 × 2.5 × 2.25 in
Product weight.58
Compatibility
Compatible withMicro Four Thirds System

Questions about this item

How do I mount the Opteka 6.5mm f/2 on my Fuji X body and set the aperture?

Align the lens mount dots, twist until it clicks, then turn the aperture ring on the barrel to choose a value between f/2 and f/22; the camera will not control aperture electronically.

What upkeep does the all-metal barrel and 9-blade diaphragm need over time?

Wipe the front and rear glass with a microfibre cloth and blower; the manual aperture blades are dry-lubricated at the factory and require no user servicing.

At what point does the 190-degree fisheye projection limit usable framing for video?

The 190° diagonal view captures everything in front of the lens, so the operator’s hands or rig appear in shot unless the camera is held at arm’s length or mounted on a gimbal.

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