The use of large-diameter aspherical lens and fluorite lens *5 controls various forms of aberration thoroughly to achieve optical performance which exceeds 4K. The lens also provides F2.8 aperture, enabling cinematographic visual expressions with shallow depth-of-field and resulting beautiful bokeh. It offers the added benefit of maintaining the same angle of view in both sensors. The lens normally works with the Super 35mm sensor, and also supports a sensor equivalent to 35mm full frame by way of activating the built-in expander *4 to expand the image circle by 1.5 times. It is designed in the dual format, supporting two types of large sensors. The new HZK25-1000mm is a broadcast zoom lens that uses optical technology, nurtured over many years, to deliver the world’s highest 40x zoom and the world’s longest focal length of 1000mm. For these reasons, there has been a demand for a high-magnification zoom that supports a large sensor and can be operated in the same way as box-type broadcast lenses. They also require a specialist in focus operations, which is uncommon in the broadcast industry. However, cinema camera lenses are optimised for shooting movies and TV commercials, and therefore have a smaller zoom magnification ratio than that of broadcast lenses. Today, in the broadcast industry, cinema cameras equipped with a sensor larger than the industry’s mainstream sensor *3 are increasingly used in live coverage of sporting events and music concerts, amidst the growing needs for immersive cinematic expressions involving the use of bokeh and high dynamic range. The HZK25-1000mm is due to be released in the spring of 2023. It also facilitates the use of cinema cameras which is becoming increasingly common in the broadcast industry, offering cinematic visual expressions such as shallow depth-of-field for beautiful bokeh in live coverage of sporting events and music concerts. The lens achieves optical performance which exceeds 4K. It can be mounted on cameras equipped with the Super 35mm sensor or the even larger sensor equivalent to 35mm full frame *2. The HZK25-1000mm is a box-type broadcast zoom lens in the dual format, supporting two types of large image sensors.
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