Sigma Cine 28mm T1.5 FF Lens - PL-i Mount
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Product Information
Full details
The Sigma Cine 28mm T1.5 FF Lens is designed for professional cinematographers and filmmakers who require precise metadata integration and high-resolution optical performance. It is an ideal tool for large-format, high-end productions ranging from 6K to 8K, offering a robust cine-centric build in a compact form factor. While it delivers exceptional clarity and metadata support, it is specifically engineered for professional cine cameras with PL-i mounts, making it less suitable for casual or photography-focused users who lack compatible cine-specific workflows.
All features
| Brand | Sigma |
|---|
Extended Product Information
FAQs
Is this lens suitable for 8K video capture?
Yes, the Sigma 28mm T1.5 FF is specifically optimized for high-resolution shooting from 6K to 8K, maintaining excellent clarity across large-format sensors.
Can I use this on a non-PL mount camera?
This specific variant is designed for the PL-i mount. Using it on other systems would require a specific third-party lens adapter, which may disable the Cooke/i metadata functionality.
What is the primary benefit of Cooke/i technology?
It allows the lens to record and store lens data—such as focal length, focus distance, and aperture—directly to the camera's metadata, which is incredibly useful for VFX and continuity in post-production.
Is the lens weather-sealed?
While the lens is built to a professional cine-centric standard, it is not strictly classified as weather-sealed. Always exercise caution in extreme moisture or dusty conditions.
Does the lens support autofocus?
No, this is a dedicated manual focus cine lens designed for professional filmmaking environments requiring manual control.
Troubleshooting
Metadata is not appearing in the camera interface
Check that the PL-i mount is fully seated and the electronic pins are clean. Verify that the camera menu settings are configured to read 'Cooke/i' metadata.
Focus ring feels stiff or difficult to turn
Ensure the geared rings are properly aligned with your follow-focus unit and there is no debris or grit trapped in the gear teeth.
Pros and Cons
Pros
- Integrated Cooke/i technology for metadata recording
- High-resolution performance optimized for 6K and 8K
- Fast T1.5 aperture for versatile lighting conditions
- Lightweight and compact design ideal for handheld or gimbal work
- Consistent and reliable optics for professional workflows
Cons
- Limited to PL-i mount camera systems
- Professional price point reflects cine-grade manufacturing
- Manual focus and iris require professional follow-focus rigs for best results
Setup, Compatibility & Care
This lens is designed for the PL-i mount standard. To ensure full compatibility, confirm that your cinema camera body supports Cooke/i protocol. When mounting, ensure the locking mechanism is fully engaged to allow the electronic contact pins to meet properly with the camera mount. Always handle the glass with care; use a professional-grade lens blower and microfiber cloths for cleaning. When not in use, keep the lens in a dust-free, climate-controlled case to protect the internal glass elements and the electronic interface pins from oxidation.