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NiSi Athena 50mm T1.9 Cine Lens for PL-Mount

NiSi Athena 50mm T1.9 Cine Lens for PL-Mount

The NiSi Athena 50mm T1.9 Cine Lens for PL-Mount combines advanced optical performance with robust...

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Wex Photo VideoNiSi Athena 50mm T1.9 Cine Lens
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Product Information

Full details

The NiSi Athena 50mm T1.9 Cine Lens is designed for professional filmmakers using PL-mount cameras who need exceptional image quality and versatile control. Its primary benefit is delivering unparalleled sharpness, minimal chromatic aberration, and beautiful bokeh with a fast T1.9 aperture, enabling stunning background separation. A potential caveat is its specific PL-mount design, requiring compatible camera bodies or adapters.

All features

BrandNiSi

Extended Product Information

FAQs

What is the primary advantage of the T1.9 aperture?

The T1.9 aperture allows for superior low-light performance and enables a shallow depth of field, which helps isolate the subject from the background with a pleasing bokeh effect.

How does the rear filter mount benefit filmmakers?

The rear filter mount allows filmmakers to use filters like ND or polarizers without attaching them to the front of the lens. This simplifies the workflow, reduces the need for a large matte box for filters, and minimizes the risk of front element damage or flare.

What does 'focus breathing' mean, and how does this lens address it?

Focus breathing refers to the change in the lens's field of view as the focus distance is adjusted. This lens is designed to minimize focus breathing, ensuring that the framing remains consistent when pulling focus, which is crucial for professional cinematic shots.

Can I use this lens on cameras with mounts other than PL?

This lens is specifically designed for PL-mount cameras. While adapters might exist for other mount systems, their compatibility and performance with this lens should be thoroughly researched and tested.

Why is matched weight and size important in a cine lens series?

Matched weight and size across a series of lenses allow filmmakers to switch between focal lengths on stabilized camera systems (like gimbals or Steadicams) without needing to rebalance the camera rig each time, saving significant setup time and ensuring shot continuity.

What are the benefits of the 300-degree focus rotation?

A 300-degree focus rotation provides a wide and smooth range for precise focus adjustments. Combined with the fluorescent focal scales, it allows for accurate and repeatable focus pulls, even in challenging lighting conditions.

Does the lens support standard cine accessories?

Yes, the lens features a standard 77mm front filter thread and matched aperture and focus rings, making it compatible with common cine accessories such as matte boxes, follow focus systems, and lens gears.

Troubleshooting

Lens not locking onto camera mount.

Ensure the camera has a PL mount. Check for any obstructions on the lens mount or camera mount. Align the lens mount markings precisely with the camera's mount before rotating to lock.

Image appears soft or out of focus.

Verify that the focus ring is adjusted correctly for the subject distance. Ensure the aperture is set appropriately for the desired depth of field. Clean the lens elements if they are smudged.

Focus breathing is noticeable.

While the lens is designed to minimize breathing, extreme focus pulls may still show some effect. Practice smooth, deliberate focus adjustments. Ensure the subject is correctly framed before beginning a focus pull.

Rear filter is difficult to insert or remove.

Ensure the filter is the correct size and type specified for the rear filter mount. Gently align the filter with the slot and apply steady pressure. If stuck, do not force it; check for misalignment or debris.

Pros and Cons

Pros

  • Exceptional image quality with high micro-contrast and low chromatic aberration.
  • Fast T1.9 aperture ideal for low light and shallow depth of field.
  • Minimized focus breathing for smooth, professional focus transitions.
  • Integrated rear filter mount for enhanced creative flexibility.
  • Consistent physical attributes across the Athena Prime Series for efficient workflow.
  • Robust construction built for professional use.

Cons

  • PL-mount specific, requiring compatible camera bodies or adapters.
  • As a prime lens, focal length is fixed, necessitating lens changes for different shots.
  • Professional cine lens, which may represent a significant investment.
  • Rear filter mount may require specific filter sizes/types.

Setup, Compatibility & Care

Setup:

  1. Mounting: Ensure your camera body has a compatible PL mount. Align the lens's PL mount bayonet with the camera's mount and rotate until it locks securely.
  2. Focus and Aperture Rings: Familiarize yourself with the 300-degree focus rotation and the aperture ring. The fluorescent scales aid in precise adjustments, especially in low light.
  3. Rear Filter: If using the rear filter mount, insert the desired filter (e.g., ND, polarizer) into the designated slot at the rear of the lens, ensuring it is seated correctly.

Compatibility:

  • Camera Mount: Designed specifically for cameras with a PL lens mount. Adapters may be available for other mount types, but compatibility should be verified.
  • Sensor Size: The 46mm image circle supports full-frame sensors without vignetting.
  • Accessories: The 77mm front filter thread and matched aperture/focus rings allow for standard cine accessories like matte boxes and 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 sparingly on the cloth, not directly on the lens. Avoid touching the glass elements with your fingers.
  • Storage: Store the lens in a protective case or its original packaging when not in use. Keep it in a cool, dry environment, away from direct sunlight and extreme temperatures, to prevent damage and maintain optical integrity.
  • Handling: Always handle the lens by its body, not by the focus or aperture rings. Avoid exposing the lens to dust, moisture, or impact.

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