NiSi ATHENA 50mm T1.9
The NiSi 50mm T1.9 is a 50mm f/1.9 cinema lens designed for PL Mount mount cameras. Used copies start from $800 on GearFocus, with buyer protection on every purchase.
NiSi ATHENA 50mm T1.9
Used NiSi 50mm T1.9 Listings on GearFocus
Lens Overview — NiSi 50mm T1.9
Key Features — NiSi 50mm T1.9
T1.9 Maximum Aperture: Fast T1.9 stop gathers substantial light for low-light shooting and allows precise control over depth of field and background separation.
PL Mount: Industry-standard cinema lens mount compatible with professional camera systems from ARRI, RED, and other high-end cinema platforms.
Full-Frame Coverage: Image circle covers full-frame sensors, making the lens compatible with larger-format cinema cameras without vignetting.
50mm Standard Focal Length: Classic natural-perspective focal length that closely mirrors human vision, suitable as a versatile workhorse across narrative, documentary, and commercial productions.
Manual Focus Design: Purpose-built manual focus ring supports precise, repeatable focus pulls in professional cinema crew workflows.
800g Practical Weight: Balanced weight for a full-frame T1.9 prime that remains manageable on rigs, gimbals, and handheld setups without sacrificing build quality.
Lens Specifications — NiSi 50mm T1.9
| Spec | Detail |
|---|---|
| Use Cases | Studio, Video / Cinematography |
| Lens Type | Cine |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.9 |
| Camera System | Cinema / Video |
| Lens Mount | PL Mount |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — NiSi 50mm T1.9
The NiSi ATHENA 50mm T1.9 is a prime cinema lens built for full-frame coverage and mounted in the industry-standard PL Mount. Designed specifically for the Cinema / Video camera system, it delivers a consistent T1.9 maximum aperture across the entire focus range, giving cinematographers reliable exposure control in demanding lighting conditions. The 50mm focal length sits in the standard range, offering a natural perspective that works across a wide variety of production scenarios — from intimate narrative close-ups to documentary-style coverage.
With manual focus as the sole focusing mode, the ATHENA is tailored to professional sets where dedicated focus pullers demand precise, repeatable control. The lens weighs 800g and accepts 77mm front filters, providing practical compatibility with widely available screw-in filtration. No image stabilization is included, consistent with its cinema production orientation where stabilization is typically handled at the camera or rig level.
Pros — NiSi 50mm T1.9
- ✓Fast T1.9 maximum aperture provides strong light-gathering performance for cinema use
- ✓Full-frame lens format ensures compatibility with larger sensor cinema cameras
- ✓PL Mount offers connectivity with professional cinema camera systems
Cons — NiSi 50mm T1.9
- ✗No autofocus — unsuitable for run-and-gun or event work requiring fast AF
- ✗No image stabilization, requiring additional support for handheld or moving shots
- ✗PL Mount limits compatibility to cinema camera systems; no native photo camera mount
Reviews — NiSi 50mm T1.9
Videos — NiSi 50mm T1.9
ENDGAME Budget Cinema Lenses - NiSi Athena Lens Review — DSLR Video Shooter
Frequently Asked Questions — NiSi 50mm T1.9
What camera mount does the NiSi ATHENA 50mm T1.9 use?+
The NiSi ATHENA 50mm T1.9 is equipped with a PL Mount, which is standard on professional cinema cameras. It is designed for the Cinema / Video camera system.
Does this lens cover full-frame sensors?+
Yes, the NiSi ATHENA 50mm T1.9 has a full-frame lens format, meaning it is designed to cover full-frame cinema sensors without vignetting.
Does the NiSi ATHENA 50mm T1.9 have autofocus or image stabilization?+
No, this lens is manual focus only with no autofocus capability, and image stabilization is listed as None. It is intended for traditional cinema production where manual focus control is standard.
What filter size does the NiSi ATHENA 50mm T1.9 accept?+
The lens features a 77mm front filter thread, allowing use of standard 77mm screw-in filters such as polarizers or neutral density filters.
How much does the NiSi ATHENA 50mm T1.9 weigh?+
The lens weighs 800g, making it a moderately weighted full-frame prime cinema lens suitable for use on professional cinema rigs.
Is this lens a zoom or a prime?+
The NiSi ATHENA 50mm T1.9 is a prime lens with a fixed focal length of 50mm, classified as a standard focal length for full-frame formats.





