Sirui Vision Prime 1 Series 35mm T1.4 Cine Lens - Black

Name: Sirui Vision Prime 1 Series 35mm T1.4 Cine Lens - Black
Brand: Sirui
SKU: qsff2zj5ag
Availability: InStock

The Sirui Vision Prime 1 Series 35mm T1.4 Cine Lens for Sony E lets you capture cinematic photos a...

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Product Information

Full details

This guide is for filmmakers and videographers seeking a versatile, full-frame cine lens. The Sirui Vision Prime 1 Series 35mm T1.4 Cine Lens offers exceptional low-light performance and cinematic bokeh, with the key benefit of an interchangeable mount system for broad camera compatibility. A potential caveat is the manual focus operation, which requires practice for precise results.

All features

Brand	Sirui

Extended Product Information

FAQs

What cameras is the Sirui Vision Prime 1 Series 35mm T1.4 compatible with?

The lens natively supports Sony E-mount full-frame cameras. With the included adapters, it is also compatible with Canon RF, Nikon Z, and Leica L-mount full-frame cameras.

How do I change the lens mount?

The lens comes with an E-mount. To change it, you will need to remove the screws securing the current mount, then attach one of the included RF, Z, or L mount adapters, ensuring all screws are properly tightened.

What does T1.4 aperture mean for low-light shooting?

A T1.4 aperture is a very fast aperture, meaning it allows a significant amount of light to reach the camera sensor. This makes the lens highly effective in low-light conditions, reducing the need for artificial lighting and enabling faster shutter speeds.

Can I use this lens for both photo and video?

Yes, while designed as a cine lens with features like consistent gear positions and minimal focus breathing, it can also be used for photography. However, its primary strengths lie in video production.

What is focus breathing?

Focus breathing is the phenomenon where the field of view slightly changes as the focus is adjusted. This lens series is engineered to minimize this effect, especially on the 24mm and 35mm models, for smoother focus transitions in video.

What is the filter size for this lens?

The lens features a 67mm filter thread, consistent across the Vision Prime 1 series.

Does this lens have autofocus?

No, the Sirui Vision Prime 1 series lenses are manual focus lenses, offering precise control for professional cinematic applications.

Troubleshooting

Lens not focusing smoothly

Ensure the focus ring is clean and free of debris. Check that the lens mount is securely attached to the camera body. If using manual focus, practice smooth, controlled movements.

Image appears soft or blurry

Confirm the lens is set to the correct focal distance. Ensure the aperture is not too wide for critical sharpness if shooting at the widest aperture. Clean the lens elements.

Focus breathing is noticeable

While minimized, some breathing may occur. For critical shots, practice slow focus pulls or consider techniques to mask focus transitions in editing. Ensure you are using the correct model designed for minimal breathing (24mm/35mm).

Cannot attach the lens to the camera

Verify that the lens mount matches your camera's mount. Ensure the camera's sensor is compatible with the full-frame coverage. Check for any obstructions on the camera mount or the lens mount.

Pros and Cons

Pros

Versatile interchangeable mount system (E, RF, Z, L)
Excellent low-light capability with T1.4 aperture
Produces beautiful, smooth bokeh for cinematic depth
Sharp edge-to-edge performance with advanced optical elements
Minimized focus breathing for professional focus pulls
Lightweight and compact for gimbal and handheld use

Cons

Manual focus only, requiring user skill for precise operation
Minimum focusing distance can limit close-up shots on some focal lengths
While designed for consistency, slight color shifts between lenses may require calibration
18 aperture blades only on the 50mm model, affecting bokeh characteristics compared to 24/35mm

Setup, Compatibility & Care

Setup: The lens comes with an E-mount pre-installed. To change the mount, carefully unscrew the mount adapter using the provided tools or appropriate drivers. Align the new mount adapter (RF, Z, or L) with the lens body and secure it with the provided screws. Ensure all screws are tightened evenly to avoid damage.

Compatibility: This lens is designed for full-frame Sony E-mount cameras. With the included interchangeable mount adapters, it is also compatible with Canon RF-mount, Nikon Z-mount, and Leica L-mount cameras. Always confirm camera sensor size compatibility, though the 46mm image circle covers most full-frame sensors.

Care: Clean the lens elements with a soft, lint-free microfiber cloth. For stubborn smudges, use a lens cleaning solution sparingly on the cloth, never directly on the lens. Avoid touching the glass with your fingers. Store the lens in its protective case when not in use to protect it from dust and physical damage. Keep the mount adapters clean and free from debris.