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Silver cinema lens with drop-in filter holder and focus gear ring

Nisi

Nisi ATHENA PRIME 25mm T1.9 Cine Lens Filter Holder Canon RF

SKU CH-MSYZ-ATFE1

A 25mm full-frame cinema prime with a T1.9 aperture, 300-degree focus rotation, 0.8 MOD gears and a drop-in filter holder for Canon RF mount

  • Exceptional clarity with 25mm full-frame prime design
  • Cinematic low-light capture via T1.9 aperture
  • Smooth focus pulls with 300-degree rotation
  • Professional follow-focus ready with 0.8 MOD gears
  • Flexible workflow using drop-in filter holder

25mm T1.9 Full-Frame Cine Lens

The Nisi ATHENA PRIME 25mm T1.9 is a professional cinema lens built for Canon RF mount cameras. It covers full-frame sensors and targets filmmakers who need a fast wide-angle prime for narrative or documentary work. The drop-in filter holder lets you swap ND or polarising filters without touching the front element.

T1.9 Aperture and 300-Degree Focus

A maximum aperture of T1.9 provides clean low-light exposure and shallow depth of field for subject separation. The 300-degree focus rotation gives precise manual control with both metric and imperial markings. Focus breathing is minimised so the angle of view stays consistent during rack focus.

0.8 MOD Gear and Drop-In Filter System

Industry-standard 0.8 MOD gears on the focus ring mate directly with professional follow-focus units. The integrated drop-in filter mount accepts NiSi filter trays, removing the need for front-threaded filters and speeding up changes on set. The lens has no autofocus or electronic aperture control, so it suits fully manual cinema workflows only.

Highlights

  • Exceptional clarity with 25mm full-frame prime design
  • Cinematic low-light capture via T1.9 aperture
  • Smooth focus pulls with 300-degree rotation
  • Professional follow-focus ready with 0.8 MOD gears
  • Flexible workflow using drop-in filter holder

Specifications

No published specifications for this item yet.

Questions about this item

Will the 0.8 MOD focus gear on this 25mm lens mesh with my existing follow-focus unit?

Yes, the lens uses industry-standard 0.8 MOD gears on the focus ring, so it engages directly with professional follow-focus systems without adapters.

How can I confirm the T1.9 aperture is delivering the exposure I expect on my Canon RF body?

The camera's meter and histogram will reflect the T1.9 transmission value; the lens also provides both metric and imperial distance scales to verify focus accuracy at that aperture.

Does the drop-in filter holder ship with the lens or must I purchase it separately?

The holder is included in the box as part of the lens assembly; it accepts drop-in filters that are sold separately.

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