Getting Started

Phenomena Specific to CMOS Image Sensors

The following phenomena that may appear in images are specific to CMOS (Complementary Metal Oxide Semiconductor) image sensors. They do not indicate malfunctions.

White flecks

Although the CMOS image sensors are produced with high-precision technologies, fine white flecks may be generated on the screen in rare cases, caused by cosmic rays, etc. This is related to the principle of CMOS image sensors and is not a malfunction.

The white flecks especially tend to be seen in the following cases:

•when operating at a high environmental temperature

•when you have raised the gain (sensitivity)

This symptom may be improved by turning the camera off and then on again.

Aliasing

When fine patterns, stripes, or lines are shot, they may appear jagged or flicker.

Focal plane

Owing to the characteristics of the pickup elements (CMOS image sensors) for reading video signals, subjects that quickly move across the screen may appear slightly skewed.

Flicker

If recording is made under lighting produced by discharge tubes, such as fluorescent, sodium, or mercury-vapor lamps, the screen may flicker, colors may vary, or horizontal stripes may appear distorted. In such cases, turn the FLICKER CANCEL function on (see page 26).

In some cases, such phenomena may not be improved with the FLICKER CANCEL function.

It is recommend to set the shutter speed to 1/100 sec. in the areas of 50 Hz power supply frequency and to 1/60 in the areas of 60 Hz.

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Phenomena Specific to CMOS Image Sensors

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Sony BRC-Z330 operating instructions White flecks, Aliasing, Focal plane, Flicker
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BRC-Z330 specifications

The Sony BRC-Z330 is a sophisticated PTZ (pan-tilt-zoom) camera that has gained popularity in various applications, including broadcasting, event production, and corporate video conferencing. One of its most striking features is its ability to deliver high-quality images through a 1/2.8-type Exmor CMOS sensor. This sensor allows the BRC-Z330 to capture stunning Full HD 1080p video at 60 frames per second, making it suitable for fast-paced environments.

The camera features a 30x optical zoom lens, which is complemented by a 12x digital zoom, providing users with the ability to focus on details from a considerable distance. With a focal length range of 4.5mm to 135mm, it is versatile enough to work in various shooting scenarios, whether it be capturing wide shots of a conference room or zooming in on a speaker at an event.

In terms of connectivity, the BRC-Z330 offers multiple output options, including HDMI, 3G-SDI, and composite video outputs. This flexibility allows for seamless integration into different broadcasting and recording setups. Additionally, the camera supports IP streaming, enabling remote access and control over a network, which is invaluable for multi-camera setups and remote production tasks.

The BRC-Z330 employs advanced image processing technologies, such as Sony's Dynamic Contrast Enhancement and XDNR (eXtended Dynamic Noise Reduction). These features work to optimize image quality in various lighting conditions, ensuring crisp and clear visuals even in challenging environments.

For ease of operation, the BRC-Z330 is equipped with a user-friendly interface and can be remotely controlled via RS-232 or RS-422 protocols. This functionality is ideal for situations where the camera needs to be adjusted without physical intervention, such as live-streaming events or remote interviews.

Another significant characteristic of the camera is its compact and discreet design, allowing it to blend into various settings without being obtrusive. With its impressive specifications and technological capabilities, the Sony BRC-Z330 has become an essential tool for professionals seeking high-quality video solutions in the ever-evolving world of media production. Its reliability, versatility, and excellent image quality make it a worthy investment for any organization focused on producing top-tier content.
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