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Sony Alpha a6400 compact mirrorless camera black with 16-50mm and 55-210mm lenses 32GB
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Rokinon
Rokinon 300mm f/6.3 Mirror Lens for Fuji X
A compact 300mm mirror lens with a fixed f/6.3 aperture, 9 elements in 9 groups, 2.95 ft minimum focus and a 5.4° angle of view on Fuji X cameras
- TypeLenses Accessories
- 300mm reach in a compact mirror design
- Fixed f/6.3 aperture keeps exposure consistent
- 9 elements in 9 groups reduce colour aberration
- 95 ft close focus for tighter framing
- 4° angle of view on Fuji X sensors
Compact mirror lens for mirrorless systems
The Rokinon 300mm f/6.3 mirror lens is built for mirrorless interchangeable lens cameras including Fuji X, Canon M, Sony NEX and Olympus Pen models. Its folded optical path keeps the barrel short and light, making it a practical telephoto option for photographers who want reach without the bulk of a conventional refractive design. The fixed f/6.3 aperture suits bright outdoor work where a constant maximum aperture is acceptable.
Fixed aperture and manual focus constraints
The lens operates at a single f/6.3 aperture with no iris diaphragm, so exposure is controlled entirely through shutter speed and ISO. Focus is manual only, with a minimum focusing distance of 2.95 feet that limits close-up work. The catadioptric design produces doughnut-shaped bokeh highlights, which some users find distracting in busy backgrounds.
300mm reach with narrow angle of view
On APS-C sensors such as Fuji X the angle of view is 5.4 degrees, narrowing to 4.2 degrees on Micro Four Thirds bodies. This field of view is suited to distant wildlife, sports action and compressed landscape perspectives. The 9-element, 9-group construction aims to control chromatic aberration, though the fixed aperture and mirror design mean low-light flexibility and shallow depth of field are not available.
Highlights
- 300mm reach in a compact mirror design
- Fixed f/6.3 aperture keeps exposure consistent
- 9 elements in 9 groups reduce colour aberration
- 95 ft close focus for tighter framing
- 4° angle of view on Fuji X sensors
Specifications
| Type | Lenses Accessories |
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Questions about this item
Should I pick the Fuji X mount version or a different mount for my camera?
This lens is built specifically for Fuji X mirrorless bodies, so choose the Fuji X mount if that is your system.
What does the f/6.3 aperture actually give me when shooting?
The fixed f/6.3 aperture provides a bright view for a 300 mm mirror design, but depth of field remains shallow and exposure is set by shutter speed or ISO.
Does the Fuji X mount limit the angle of view compared with other mounts?
On Fuji X the angle of view is 5.4 degrees, the same as on Canon M and Sony NEX, while Micro Four Thirds sees a narrower 4.2 degrees.
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