Sigma Cine 50mm T1.5 FF Prime Lens - Canon Mount

Sigma's FF Prime Lenses integrate top-tier optics and mechanics from their esteemed Global Vision ...

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Wex Photo VideoSigma 50mm T1.5 FF Cine Prime Lens - Canon EF Mount - Metric
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Product Information

Full details

This Sigma Cine 50mm T1.5 FF Prime Lens is designed for professional cinematographers using Canon EF-mount cameras who need a versatile, high-performance standard lens. Its key benefit is delivering exceptional optical quality, even in low light, with a natural field of view for dialogue and narrative scenes. A minor caveat is that the product image might show an imperial (feet) version, but the actual lens is metric (meters). It integrates Sigma's acclaimed Global Vision optics into a cine-ready body, featuring full-frame coverage up to 8K, a fast T1.5 aperture, and a robust, accessory-friendly design.

All features

BrandSigma

Extended Product Information

FAQs

What is the difference between T-stop and F-stop?

An F-stop is a theoretical aperture measurement, while a T-stop (Transmission stop) measures the actual amount of light transmitted through the lens, making T-stops more accurate for cinematographers concerned with consistent exposure.

Is this lens suitable for handheld shooting?

Yes, the lens has a compact and relatively lightweight profile for its class, making it manageable for handheld work, especially when paired with stabilized camera bodies.

Can I use this lens with full-frame and Super 35 sensors?

Yes, the lens is designed for full-frame (FF) coverage, meaning it will cover larger sensors. It will also work on Super 35 cameras, though you will be using a cropped portion of the image circle.

Does the lens have de-clicked aperture control?

This lens features a cine-style design with clicks for its iris ring, providing tactile feedback. For seamless aperture pulls, it is designed to be used with a follow focus system and potentially a cine-style camera that allows for smooth iris adjustments.

What is the minimum focusing distance?

The minimum focusing distance is 0.45m (1.48 ft).

How does the 50mm focal length compare to the human eye?

The 50mm focal length is often considered to have a field of view very similar to the human eye's perception, making it a natural choice for realistic storytelling and documentary-style footage.

Are metric focus markings important for professional use?

Yes, metric markings are standard in professional cinematography worldwide, allowing for precise, repeatable focus settings critical for complex shots and multi-camera setups.

Troubleshooting

Lens not communicating with camera

Ensure the lens is securely mounted. Check if the camera's lens contacts and the lens's electronic contacts are clean. Try resetting the camera.

Image is consistently out of focus

Verify focus markings are set correctly on the lens. Ensure the focus ring is turned to the desired position. Check if autofocus is disabled if manual focus is intended.

Stiff focus or iris ring

This is less common with new lenses. If rings feel excessively stiff, do not force them. Contact customer support. Ensure no external accessories are interfering with the rings.

Internal dust or particles visible

A small amount of internal dust is normal and typically does not affect image quality. If significant dust is visible or affecting images, do not attempt to clean it yourself. Contact Sigma service for professional cleaning.

Pros and Cons

Pros

  • Exceptional optical quality suitable for demanding film productions.
  • Fast T1.5 aperture excels in low-light conditions and allows for shallow depth of field.
  • The 50mm focal length provides a natural, human-like perspective for storytelling.
  • Durable, all-aluminum cine-ready construction enhances usability on set.
  • Precise 180° focus throw ensures accurate and smooth focus pulls.

Cons

  • Focus markings are in meters, which may require adjustment for users accustomed to feet.
  • As a prime lens, it lacks the focal length flexibility of a zoom.

Setup, Compatibility & Care

Compatibility:

This lens is designed for Canon EF-mount cameras. Ensure your camera body features an EF mount for proper fit and electronic communication.

Setup:

  1. Gently align the lens mounting index with the corresponding index on your camera body.
  2. Insert the lens into the mount and rotate it clockwise until it audibly clicks into place.
  3. To detach, press and hold the lens release button on the camera body while rotating the lens counter-clockwise.

Care:

  • Cleaning: Use a blower brush to remove loose dust. For smudges or fingerprints on the lens elements, use a lens cleaning solution specifically designed for optics and a microfiber lens cloth. Wipe gently in a circular motion starting from the center outwards.
  • Storage: Store the lens in a protective case or its original packaging when not in use. Avoid extreme temperatures and humidity. Always attach the front and rear lens caps to protect the elements.
  • Handling: Handle the lens with care. Avoid dropping or subjecting it to strong impacts. The all-aluminum construction is durable, but care should still be taken.

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