Sigma Cine FF High Speed 7 Prime Kit - Sony Mount

The Sigma Cine FF High Speed 7 Prime Lens Kit (Sony E-mount) includes the Sigma 14mm T2, 20mm T1.5...

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Sigma Cine FF High Speed 7 Prime Lens Kit - Sony E-mount - Full-Frame

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Wex Photo VideoSigma Cine FF High Speed 7 Prime Lens Kit - Sony E-mount - Full-Frame

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Product Information

Full details

The Sigma Cine FF High Speed 7 Prime Kit is designed for professional filmmakers working with full-frame sensors and high-resolution cinema cameras (6K-8K). It offers exceptional optical performance and a cinema-ready design in a compact package, enabling shooting flexibility without lighting changes. A potential caveat is its specialized nature, requiring knowledge of cine lens operation.

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Brand	SIGMA CORPORATION OF AMERICA

Extended Product Information

FAQs

What is the aperture range of these lenses?

The kit includes lenses with T1.5 apertures (20mm, 24mm, 35mm, 50mm, 85mm) and T2 apertures (14mm, 135mm).

Are these lenses suitable for still photography?

While they are designed for cinema, their optical performance is excellent and can be used for still photography, though they lack autofocus and other still-photography-specific features.

What is a T-stop and why is it important for video?

A T-stop (Transmission stop) measures the actual amount of light transmitted through the lens, which is more accurate for video exposure than an f-stop. This consistency is crucial for precise exposure control.

How does the 180-degree focus rotational angle benefit shooting?

It allows for very precise manual focus adjustments, especially for smooth, controlled focus pulls during a shot, which is essential for cinematic storytelling.

Can I use these lenses with a different camera mount?

This kit is specifically for Sony E-mount. Adapters may exist for other mounts, but compatibility and performance are not guaranteed and may require specific technical knowledge.

What is the minimum focus distance for these lenses?

The minimum focus distances vary by focal length. Please refer to the individual lens specifications for precise details.

Are these lenses weather-sealed?

The product description emphasizes a durable all-metal body for professional use, but specific weather-sealing details are not provided. It is advisable to protect them from extreme weather conditions.

Troubleshooting

Lens not communicating with camera

Ensure the camera body has the latest firmware update. Clean the lens mount contacts and camera mount contacts with a dry microfiber cloth. Re-mount the lens securely.

Image is soft or out of focus

Verify manual focus is adjusted correctly. Ensure the lens is properly seated on the camera mount. Check if the focus ring has reached its limit or if the subject is within the lens's minimum focus distance.

Inconsistent color between lenses

Confirm that the 'Standardized Color Balance' feature is correctly utilized. Ensure consistent white balance settings on the camera for all shots. Recalibrate camera white balance if necessary.

Pros and Cons

Pros

Delivers stunning image quality suitable for high-resolution cinema.
Consistent color balance across the kit simplifies post-production.
Compact size enhances usability and portability on set.
Robust build quality ensures reliability in demanding environments.
Standardized cine features facilitate integration with other camera accessories.

Cons

Requires manual focus and iris operation, which may be a learning curve for still photographers.
Primarily designed for cine applications, might be overkill for some projects.
The kit represents a significant investment for aspiring filmmakers.

Setup, Compatibility & Care

Setup:

These lenses are designed for Sony E-mount cinema cameras. Mount the lens by aligning the red dot on the lens with the red dot on the camera's E-mount. Rotate the lens clockwise until it clicks into place. Ensure the camera is powered off before mounting or dismounting lenses.

Compatibility:

Camera Mount: Sony E-mount
Sensor Coverage: Full-frame (35mm film format equivalent)
Front Diameter: Standardized 95mm, compatible with most cine matte boxes and filter systems.
Focus/Iris Gears: Integrated gears for seamless operation with electronic or mechanical follow focus systems.

Care:

Cleaning: Use a soft, lint-free microfiber cloth to clean the lens elements. For stubborn smudges, use a lens cleaning solution specifically designed for optical lenses, applied sparingly to the cloth, not directly to the lens.
Storage: Store lenses in their original protective cases or a padded camera bag to prevent dust, moisture, and physical damage.
Handling: Always handle lenses by their body, avoiding direct contact with the glass elements. Mount and dismount lenses carefully to prevent damage to the mount or lens rear element.