Sigma Cine 40mm T1.5 FF Prime Lens - PL-i Mount

The Sigma Cine 40mm T1.5 FF Prime Lens is designed for professional cinematography, offering full-...

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Wex Photo VideoSigma Cine 40mm T1.5 FF Lens - PL-i Mount - 6K-8K Shooting
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Product Information

Full details

The Sigma Cine 40mm T1.5 FF Prime Lens is designed for professional cinematographers and videographers who require exceptional optical performance for 6K and 8K ultra-high-resolution productions. It provides a versatile focal length and a bright T1.5 aperture for superior low-light capability and cinematic shallow depth of field, though its robust, all-metal construction adds significant weight that may require heavier-duty stabilization systems.

All features

BrandSIGMA CORPORATION OF AMERICA

Extended Product Information

FAQs

Is this lens compatible with full-frame sensors?

Yes, the lens is specifically designed to provide full-frame sensor coverage for professional cinematography.

Can I use standard 82mm filters with this lens?

Yes, the lens features a standard 82mm front filter thread for ease of use with screw-in filters.

What is the benefit of the 180-degree focus rotation?

The 180-degree rotation allows for fine, granular control over focus pulls, which is essential for capturing professional-grade shots.

Does this lens support 8K resolution?

Yes, the optical design is optimized for ultra-high-resolution shooting including 6K and 8K formats.

What is the purpose of the 95mm front diameter?

The 95mm front diameter is a standard size that allows the lens to be easily integrated with professional matte boxes and cinema accessories.

Is this lens weather-sealed?

The lens features a robust metal construction for professional use, but it should be protected from direct exposure to harsh environmental conditions.

Troubleshooting

Difficulty mounting the lens to the camera

Verify that the mount index pins are correctly aligned with the camera flange and that the PL locking ring is fully retracted.

Focus ring feels stiff or inconsistent

Ensure that the follow focus gear is properly aligned and not exerting excessive pressure on the lens barrel; inspect the ring for debris.

Color balance mismatch with other lenses

Verify that all lenses in your kit are part of the Sigma Cine series, which complies with the CCI standard for color consistency.

Pros and Cons

Pros

  • Outstanding optical clarity for high-resolution 8K sensors
  • Bright T1.5 aperture is ideal for low-light cinematography
  • Durable all-metal build quality for demanding professional sets
  • Consistent color balance simplifies the color-grading workflow
  • Precise focus ring with a 180-degree throw for accurate pulling

Cons

  • Heavy metal construction increases overall rig weight
  • Fixed prime focal length lacks the versatility of a zoom lens
  • Requires cinema-grade support systems for optimal balance

Setup, Compatibility & Care

This lens features the PL-i mount, designed for industry-standard cinema cameras. To set up, ensure your camera mount is clean and align the index pins before locking the PL collar. For maintenance, keep the front and rear elements clean using professional lens tissues and non-abrasive cleaning fluid. Because the lens is constructed with precision metal components, avoid exposure to harsh weather elements and store it in a temperature-controlled, padded cinema lens case when not in use. Always handle the lens by the barrel and ensure your support system is properly balanced to prevent strain on the camera's lens mount.

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