KNAC3601B

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Optics - Lenses have been used to study the behavior of light in many different ways. The term Lenses refer to a lens or combination of lenses that limit or redirect light rays to a specific path. This limitation or redirection of light can be used to create objects in the light path or to adjust the direction of light. One of the most functionality capable lenses is the KNAC3601B lens. It is a versatile, wide angle lens designed for capturing larger field of view.

The KNAC3601B lens is a zoom lens that offers a focal length range of 3.5 mm to 4.5mm, equivalent to a 27.5-34 mm on a full frame sensor. The lens operates via a rear focus group only, wherein the entire focus and zoom functions are internally controlled. It has an aperture of up to f/1.4, making it suitable for low light environment and for capturing crisp and clear images. The lens also has three special elements in its design, making it effective against flare and ghosting. Moreover, the lens also has nanocrystal coatings to reduce reflections and suppression of blooming. This feature helps to reduce lens flare and ghosting, enhancing the image\'s contrast and sharpness.

Using the KNAC3601B lens for wide angle photography is simple and convenient. The lens has a total of 11 elements including its aspherical and special elements. Its filter size is 77mm and the lens has a 6 blade circular diaphragm for excellent out of focus detail. Its close focus allows for a minimum of 0.22m distance and its angle of view reaches up to 84-63.8 degree in FX or DX format. This combination of lens design and features makes it suitable for capturing street, landscape, and other wide angle shots very easily.

The working principle behind the KNAC3601B lens is based on the refraction of light. When light passes through the lens, it is bent and refracted outwards. The angle of the rays determines how the image is focused on the sensor. This lens has a special coating on the glass elements that help to reduce the amount of light being lost, ensuring a sharper image with improved contrast and better color reproduction. The reduced reflection and suppressed blooming allows for capture of clear and crisp images even in low light environments.

Overall, KNAC3601B is a wide angle lens designed for capturing larger field of view with a maximum aperture up to f/1.4. The lens has an array of 11 elements, including its aspherical and special elements, which avoids light loss and suppresses blooming for improved image quality. It also has a close focus options of 0.22m which makes it suitable for landscape and street photography. In addition to that, its working principle is based on the refraction of light through its special coated elements, allowing for sharp and clear images.

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