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The positive focal length elements of the lens have one curvature surface and one flat surface. The curved surface has a focusing effect on the rays of light but the flat surface lacks this feature. They come in varied mm diameter.

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Lens: Lens is just a piece of transparent material, generally glass, which has at least one curved surface. It is a transmissive optical device used for either concentrating the lay rays on one point or for dispersing the light rays. Lens function based on the principle of refraction. There are six different types of lenses. Each type of lens has two focal points Unlike mirrors, at least one surface of a lens must be curved if not both

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u: the distance that lies between the object and the optical center of the lens The focal length for convex lenses is always positive.

However, you can obtain the position of the image by drawing any two of the three rays mentioned above. The point at which the two rays will intersect will be the top of the image. Three rays are drawn for greater accuracy of the position of the image.

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To understand the topic well we will first break down the name of the topic, ‘Plano Convex lens’ into three separate words and look at them individually.

They are most commonly used when the object is far away from the lens. In optical physics, it is termed infinite conjugate. An example of the same is when you want to focus light from a faraway object like the star.

When the image formed is inverted as compared to the object, the image formed is called a real image. This type of image can be captured on a screen. A converging lens produces a real image when the object is placed at a point more than one focal length from the lens.

A plano convex lens has a structure wherein one side of the lens is curved outwards and the other side is plane.  It is used to converge parallel light rights onto one point which is the positive focal point.

If there is a positive magnification, the image formed is virtual but if the magnification is negative the image formed is a real image.

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Now if we combine these three individual word’s definitions, we can obtain our definition for plano convex lens which is as follows –

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When the image formed is upright as compared to the object, the image formed is called a virtual image. These images cannot be captured on a screen. A converging lens will produce a virtual image when the object is placed within one focal length of the lens. It produces a magnified image on the same side of the lens as the object. It acts as a magnifying glass.

N-BK7: These lenses are the perfect choice for general-purpose visible and NIR applications, including high homogeneity and low bubble and inclusion content.

If the value of m is one, the size of the image and object are the same. If the value of m is greater than one, the image is enlarged. And if m is less than one, the image is diminished.

UV Fused Silica lenses: these are recommended for UV rays or higher energy applications, combining a very low thermal expansion coefficient and excellent transmittance.

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The structure is such that it is an asymmetrical lens. This feature of a plano convex lens helps reduce the spherical aberration in instances where the object and the image are no at equal distances from the lens.

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The properties of the image formed depend on the placement of the object on the principal axis. The table summarizes the properties:

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If the lens is set up such that the light ray enters and exits from the curved surface of the lens, you will obtain low spherical aberration. The case where you will receive optimum reduction is when the object is placed at infinity.

To obtain an image with maximum sharpness the curved side of the lens should be facing toward the object and not the flat side. This quality of the image is determined based on its orientation and two positive focal lengths.

UV lasers permanently mark (engrave) metals, plastics, ceramics. organics and more, without the thermal impact of conventional lasers. New Air-cooled design offers energy efficiency without the need for a separate water chiller, perfect for businesses with limited space or that require portable marking solutions. Mark on larger items with this open platform design and a 160mm x 160mm (6.29″ x 6.29″) work area, which is 40% larger than the “standard” 110mm x 110mm offered by other manufacturers. Larger work areas, water cooling and 10 watt models are available, call for details.

Convex: Convex lens, also known as a converging lens, is used to bend the parallel light ray incident on it so that they converge at a spot beyond the lens. This spot is termed the focal point. These are most commonly used in eyeglasses to correct farsightedness.