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SIRUI Venus Vollformat-Anamorphic-Kinoobjektiv - 75mm - E-Mount

SIRUI Venus Vollformat-Anamorphic-Kinoobjektiv - 75mm - E-Mount

The SIRUI VENUS Full-Frame Anamorphic Lens Set includes 35mm, 50mm, 75mm, 100mm, and 135mm lenses....

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Sirui 75mm T2.9 Full-Frame Anamorphic Lens Sony E-Mount 1.6x

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Wex Photo VideoSirui 75mm T2.9 Full-Frame Anamorphic Lens Sony E-Mount 1.6x
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Product Information

Full details

The SIRUI Venus 75mm T2.9 1.6x Anamorphic Lens is designed for cinematographers seeking a distinct cinematic look with full-frame coverage at a competitive price point. Its key benefit is the ability to produce striking oval bokeh, unique lens flares, and a wide aspect ratio, all while maintaining high image quality. A potential caveat is the requirement for de-squeezing in post-production and the specific focus adapter for easier focusing.

All features

BrandSirui

Extended Product Information

FAQs

What is the key advantage of using a 1.6x anamorphic lens?

The primary advantage is achieving a wider cinematic aspect ratio (like 2.4:1 or 2.8:1) with less cropping compared to a 1.33x lens, while still retaining significant horizontal field of view and characteristic anamorphic oval bokeh and flares.

Do I need a special adapter to focus this lens?

While the lens has manual focus, SIRUI recommends using a specific focusing adapter designed for the Venus series to simplify the focusing process, especially for run-and-gun shooting. However, it can be used without it with careful manual focusing techniques.

How do I get the correct aspect ratio from the footage?

You need to apply a 1.6x de-squeeze in your camera's settings, on a compatible external monitor, or during post-production editing in your NLE software to view and export the correct widescreen image.

Can I use this lens for high-resolution video like 8K?

Yes, the SIRUI Venus lenses are designed to deliver high image quality and sharpness suitable for 8K resolution workflows.

What does 'full-frame' mean in relation to this lens?

It means the lens is designed to cover the entire sensor of a full-frame camera, providing the intended wide field of view and optical performance without vignetting or significant degradation on larger sensors.

How does the 75mm focal length perform for different shots?

The 75mm focal length on a full-frame sensor provides an equivalent field of view similar to a 47mm spherical lens. It's versatile, suitable for medium shots, portraits, and some wider scenes where you want more background context than a telephoto.

Can I achieve a 2x anamorphic squeeze with this lens?

Yes, by attaching SIRUI's 1.25x adapter to the 1.6x anamorphic lens, you can achieve a combined 2x squeeze for an even more pronounced anamorphic look.

Troubleshooting

Blurry images or difficulty achieving sharp focus.

Ensure the lens is securely mounted to the camera. Utilize focus peaking or magnification tools on your camera. Practice with manual focus, especially using the recommended focusing adapter for greater precision. Check that the correct de-squeeze setting is applied if viewing through a monitor or software.

Inconsistent aspect ratio or distorted image.

Verify that the 1.6x de-squeeze setting is correctly applied in your camera's firmware or editing software. Ensure you are shooting in a compatible aspect ratio mode (e.g., 3:2 or 16:9) that works with the lens's squeeze factor.

Lens flares are too harsh or not appearing as expected.

Adjust the angle of your light source relative to the lens. For less intense flares, try to avoid pointing light sources directly into the lens. For stronger flares, a direct hit will produce the characteristic blue streaks.

Image doesn't look 'cinematic' enough.

Ensure you are using the correct de-squeeze setting and that your final output matches the intended aspect ratio (e.g., 2.4:1). Experiment with composition to take advantage of the anamorphic compression and bokeh.

Pros and Cons

Pros

  • Achieves a true cinematic widescreen look with 1.6x anamorphic compression.
  • Produces distinct and aesthetically pleasing oval bokeh.
  • Offers excellent sharpness and image quality suitable for professional use.
  • Generates classic blue anamorphic lens flares for enhanced visual storytelling.
  • Full-frame coverage provides flexibility for post-production reframing.
  • Solid build quality with a durable aluminum alloy barrel.

Cons

  • Requires a de-squeeze function in post-production or compatible monitoring.
  • Focusing is manual, with a recommended adapter system for easier operation.
  • The 135mm lens in the set has a different compression factor (1.8x), requiring attention for matching looks.
  • While affordable for anamorphic, it represents a significant investment.
  • Can exhibit more pronounced distortion or aberrations at the extreme edges compared to spherical lenses.

Setup, Compatibility & Care

Compatibility:

The SIRUI Venus 75mm anamorphic lens is available in multiple mount options, including RF, L, E, and Z mounts, making it compatible with a wide range of professional full-frame mirrorless cameras from brands like Sony, Canon, Panasonic, and Nikon.

Setup:

  1. Mounting: Carefully attach the lens to your camera body, ensuring the correct mount alignment and secure connection.
  2. Focusing: The lens features manual focus. For easier focusing, SIRUI recommends using their dedicated focusing adapter. Set the base lens to infinity and utilize the adapter for fine-tuning focus. Alternatively, use your camera's focus peaking and magnification tools.
  3. De-Squeezing: To view the correct aspect ratio in real-time or in post-production, you will need to apply a 1.6x de-squeeze in your camera's settings or editing software. Most modern NLEs support this.

Care:

  • Cleaning: Use a soft lens brush or microfiber cloth to gently remove dust from the lens elements. For smudges, use a lens cleaning solution sparingly on a microfiber cloth. Avoid touching the glass with your fingers.
  • Storage: Store the lens in its original protective case or a padded camera bag when not in use to protect it from dust, moisture, and physical impact.
  • Environment: Avoid extreme temperatures and humidity. Protect the lens from direct impact or harsh weather conditions.

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