MasterBuilt 40mm T1.4 Soft Flare Cinema Lens
The MasterBuilt 40mm T1.4 is a 40mm f/1.4 cinema lens designed for PL Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
MasterBuilt 40mm T1.4 Soft Flare Cinema Lens
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Lens Overview — MasterBuilt 40mm T1.4
Key Features — MasterBuilt 40mm T1.4
40mm Full-Frame Prime: A fixed 40mm focal length covers a versatile standard field of view suitable for dialogue, coverage, and environmental shots on full-frame and large-format sensors.
T1.4 Maximum Aperture: Wide T1.4 stop allows for substantial light gathering in low-light environments and creates shallow depth of field for subject separation.
PL Mount: Industry-standard cinema mount fits professional camera systems from ARRI, RED, and others without requiring adapters.
Soft Flare Character: Purpose-built optical design produces distinctive soft flare rendering for a cinematic, character-driven look.
Full-Frame Image Circle: Covers full-frame and large-format sensors, compatible with cameras such as the ARRI ALEXA LF and RED MONSTRO 8K VV.
Manual Focus Design: Smooth manual focus ring supports precise, repeatable focus pulls for scripted narrative and commercial production workflows.
Lens Specifications — MasterBuilt 40mm T1.4
| Spec | Detail |
|---|---|
| Use Cases | Video / Cinematography |
| Lens Type | Cine |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 40mm |
| Maximum Aperture | f/1.4 |
| Camera System | Cinema / Video |
| Lens Mount | PL Mount |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Weight | 2300g |
Description — MasterBuilt 40mm T1.4
The MasterBuilt 40mm T1.4 Soft Flare Cinema Lens is a prime lens built for the Cinema / Video camera system category, operating on a PL Mount for direct integration with professional cinema cameras. With a maximum aperture of T1.4, it provides strong light-gathering capability across a range of production conditions, from controlled studio environments to more challenging low-light situations. The lens covers a full-frame image circle, ensuring compatibility with the latest generation of large-format digital cinema platforms.
Focal length is fixed at 40mm, placing it firmly in the standard focal length range — a practical, versatile perspective for a wide variety of shooting scenarios. Focus is manual, as expected in professional cinema production, supporting precise and repeatable focus control. Weighing 2300g, this is a substantial lens built for rigged production use.
Image stabilization is none, so stable support systems are recommended.
Pros — MasterBuilt 40mm T1.4
- ✓Wide T1.4 maximum aperture offers strong light-gathering performance for low-light and shallow depth-of-field work
- ✓PL Mount provides direct compatibility with professional cinema camera systems without adapters
- ✓Full-frame image circle supports large-format digital cinema cameras
Cons — MasterBuilt 40mm T1.4
- ✗At 2300g, the lens is heavy and will require proper lens support and rigging on most camera setups
- ✗No image stabilization means handheld or gimbal use without additional stabilization support is challenging
- ✗PL Mount only — no native compatibility with DSLR, mirrorless, or other non-cinema mounts without an adapter
Videos — MasterBuilt 40mm T1.4
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