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Silver barrel mirror lens with matte black focus ring and front filter threads

Nisi

Nisi 250mm f/5.6 Reflex Manual Focus Camera Lens for G Mount

SKU CH-XJRW-X6NS5

A 250mm f/5.6 manual-focus mirror lens for G-mount medium-format cameras with 10 diaphragm blades and 270-degree focus rotation

  • Superior sharpness from 6 elements in 3 groups
  • Smooth circular bokeh via 10 diaphragm blades at fixed f/5.6
  • Works with Fujifilm G and Hasselblad XCD mounts
  • Precise manual focus with 270-degree focus rotation
  • Accepts 62mm filters for creative control

Unique mirror design

The Nisi 250mm f/5.6 Reflex lens uses a catadioptric optical formula with 6 elements in 3 groups to reach 250mm focal length in a compact form. It is built for medium format photographers who want the distinctive donut-shaped bokeh and painterly rendering that only a mirror lens can deliver. The fixed f/5.6 aperture suits controlled lighting or tripod-based work where depth of field is a creative choice rather than an exposure variable.

Manual focus and filter thread

A 270-degree focus rotation gives fine tactile control for critical focusing on high-resolution sensors. The barrel accepts 62mm front filters so you can use circular polarisers or ND filters without oversized accessories. Compatibility with Fujifilm G and Hasselblad XCD mounts lets the same lens serve two medium format systems without adapters.

Coatings and fixed aperture

The 48-layer dielectric high-reflection coating plus an ultra-low reflection layer suppress flare and chromatic aberration in high-contrast scenes. With no aperture blades to stop down, light transmission stays constant and the 10-blade diaphragm maintains circular highlights at the fixed f/5.6 setting. Minimum focus distance is 2 meters, so close-up work requires diopters or extension tubes.

Highlights

  • Superior sharpness from 6 elements in 3 groups
  • Smooth circular bokeh via 10 diaphragm blades at fixed f/5.6
  • Works with Fujifilm G and Hasselblad XCD mounts
  • Precise manual focus with 270-degree focus rotation
  • Accepts 62mm filters for creative control

Specifications

No published specifications for this item yet.

Questions about this item

Does the fixed f/5.6 aperture limit the lens to a single depth-of-field look?

The aperture is fixed at f/5.6 with 10 diaphragm blades, so you control depth of field only by changing focus distance or adding a 62mm ND filter.

What filter thread does the barrel accept for front-mounted accessories?

The lens takes standard 62mm screw-in filters on its front thread.

How many degrees must the focus ring be turned to move from minimum focus to infinity?

The manual focus ring rotates 270 degrees from the 2 metre minimum focusing distance out to infinity.

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