Canon CN-E30-300mm T2.95-3.7L S Operation Manual

Canon CN-E30-300mm T2.95-3.7L S manual cover

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Year 2017

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Canon CN-E30-300mm T2.95-3.7L S Specification

The Canon CN-E30-300mm T2.95-3.7L S is a high-performance cinema lens designed for professional filmmakers who demand exceptional optical quality and versatility. This lens offers a broad focal range from 30mm to 300mm, making it suitable for a wide variety of shooting scenarios, from close-ups to long-distance shots. It features a constant maximum aperture of T2.95 up to 240mm, allowing for consistent exposure and shallow depth of field across most of its zoom range, with a gradual transition to T3.7 from 240mm to 300mm. The lens is constructed with advanced optical elements, including large-diameter aspherical lenses and fluorite elements, which minimize chromatic aberrations and distortions, ensuring sharp, high-contrast images with true-to-life color reproduction.

The CN-E30-300mm is engineered with a robust and durable build, ideal for rigorous on-set conditions. Its mechanical design includes a 300-degree focus rotation, providing precise manual focus control essential for cinematic productions. The lens is equipped with industry-standard gearings for focus, iris, and zoom, facilitating seamless integration with follow focus and zoom control systems. It also features a 114mm front diameter, allowing compatibility with a wide range of matte boxes and filters. Additionally, the lens incorporates an 11-blade iris, contributing to a pleasing bokeh effect, enhancing the artistic quality of out-of-focus areas.

Optimized for Super 35mm sensors and larger, the Canon CN-E30-300mm T2.95-3.7L S supports both EF and PL mount options, offering flexibility for different camera systems. Its versatility, combined with superior image quality and professional-grade construction, makes it a favored choice for cinematographers seeking reliability and excellence in their visual storytelling endeavors.

Canon CN-E30-300mm T2.95-3.7L S F.A.Q.

What are the key features of the Canon CN-E30-300mm T2.95-3.7L S Lens?

The Canon CN-E30-300mm T2.95-3.7L S Lens features a wide focal range, consistent light transmission, robust construction, and high-quality optics suitable for 4K production.

How do I properly mount the Canon CN-E30-300mm lens on a camera?

To mount the lens, align the red dot on the lens with the mounting index on the camera, then gently rotate the lens until it locks into place. Ensure the camera is turned off before mounting.

What should I do if the focus ring feels stiff or is not operating smoothly?

Check for any debris or dirt around the focus ring. Clean it with a soft, dry cloth. If the issue persists, it may require professional servicing to ensure smooth operation.

How can I maintain the optical performance of the Canon CN-E30-300mm lens?

Regularly clean the lens elements with a microfiber cloth and lens cleaning solution. Store the lens in a dry, dust-free environment to prevent mold and dust accumulation.

Is the Canon CN-E30-300mm lens compatible with all Canon cameras?

The lens is compatible with Canon EF-mount cameras. For other mounts, an appropriate adapter may be required, but compatibility and functionality should be verified.

What should I do if the lens does not focus correctly?

Ensure the lens and camera settings are correctly configured. Check if the lens is properly mounted. If issues persist, perform a focus calibration or consult professional service.

How can I protect the Canon CN-E30-300mm lens during transportation?

Use a padded lens case to protect the lens from impacts. Ensure lens caps are in place and avoid placing heavy items on top of the lens case.

What are the recommended environmental conditions for using this lens?

The lens should be used in temperatures ranging from 0°C to 40°C (32°F to 104°F) and stored in a dry environment to prevent condensation and moisture damage.

Can I use filters with the Canon CN-E30-300mm lens?

Yes, the lens supports 112mm diameter filters. Ensure the filter is clean and properly mounted to avoid vignetting or optical distortion.

What should I do if I notice chromatic aberration in my shots?

Chromatic aberration can often be reduced by adjusting the aperture. If persistent, post-processing software can help correct these issues in your footage.