focal length 40

The Fresnel lens is used in the projection system, and its function is to collimate and focus the light.

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The Fresnel lens is used in the projection system, and its function is to collimate and focus the light.

The Fresnel lens adjusts the beam light source emitted by the light source into parallel light, which significantly improves the brightness of the display panel at all directions.

The sun spot effect is eliminated, thereby improving the uniformity of the overall display brightness. Usually Fresnel lenses are used together with other display components such as cylindrical mirrors.

The advantages of using Fresnel lens in projection system: by focusing or adjusting the collimation of light to increase the brightness of the body display,

If the collimator is canceled, a lot of light will be lost when passing through the panel, and there will be obvious hot spot effect in the display, which will increase the brightness of the display screen.

Similarly, on the other side of the LCD screen, we must also gather the light from the panel into the projection lens.

Our company can customize Fresnel lenses for projectors with different sizes, shapes and focal lengths according to customer needs.

Fresnel lenses for projectors are used to improve the resolution, clarity, brightness, etc. of the projector screen.

Rationalize the thread pitch and tooth shape, and increase the range of trapezoidal correction in order to raise the picture, and adopt eccentricity for the lens and condensing objective lens.

No matter the projector is hoisted or placed on the table, it can achieve good viewing effect.

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