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If have particular specifications for aspheric lens or other optics in customization, or you need support in the R&D and manufacturing of tailored optics of higher accuracy and special sizes for your projects or applications, Noni is ready to be a reliable helper with our custom abilities to exceed your expectations via the one-package solution.

Due to its high-precision imaging and targeted design, aspheric lenses are widely used in many application fields. Some of these application areas include:

When selecting an aspheric lens, it is necessary to consider aspheric lenses’ advantages and disadvantages to determine which lens is most suitable for a specific application.  Based on our experience of decades, the key factors into consideration include volume, quality, and cost.  Here, you can check the requirements for different types of lenses as follows:

These products are popular with parents of small children. They are very easy to use and usually relatively inexpensive, making them a fun and educational introduction to the microscopic world. They're a great gift for the budding scientist.

Aspherical lenses offer many advantages over traditional spherical lenses, such as a more natural field of view and thinner and lighter designs. However, aspherical lenses also have some disadvantages, including:

Mainly used in projectors, amplifiers, spotlights, and other projection and lighting fields. Two condenser lenses of the same focal length can be combined to form a system with half the focal length of a single lens. Primarily used in high-efficiency illumination systems, aspheric condensers feature excellent aberration correction.

Our use of aspheric grinding CNC machine tools to produce lenses results in larger sizes, improved surface quality, and better maintenance of the M-square value of the input beam when compared to corresponding molded aspheric lenses. This technology is particularly suitable for small-batch production and product prototype manufacturing, thereby meeting the needs of diverse industries.

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There are two focus mechanisms, one for the magnification levels and the other for fine-tuning the focus. Read more about this one (bottom section) on the illuminated pocket microscope page.

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Peripheral astigmatism is a common lens problem that produces bright or dark spots in the peripheral areas. This is due to the shape of the lens so that light is scattered in different directions. Aspherical lenses can eliminate marginal astigmatism by adjusting the curvature, thereby improving imaging.

Since aspheric lenses can freely adjust their curvature as needed, they can add relatively larger apertures while maintaining high imaging quality. This means that aspherical lenses can provide a larger field of view and a wider field of view in a smaller size, making them particularly suitable for photography and video applications that require high resolution.

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Optical aspheric replication molding technology is a cost-effective and efficient method for manufacturing high-quality aspheric lenses. This technique involves transferring the surface of a master mold onto a base, resulting in the transformation of a spherical surface into an aspherical one. Unlike other aspheric surface processing methods, this technology requires minimal equipment and eliminates the need for substrate polishing, making it ideal for the mass production of sub-mirrors with identical specifications or spliced mirror surfaces.

These lenses can focus light at short focal lengths that cannot be achieved with spherical lenses. Generally, it is made of B270-ultra-clear glass, so it is convenient to realize the manufacture of complex surfaces that are not easy to grind. The design condition of this type of lens is infinity conjugate, and the design wavelength is 587.6nm (yellow helium line). Condenser lenses concentrate light into a projection beam.

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Looking for something with more powerful magnification than a simple 20x, 30x, or 45x? Some have a power range between 60x and 100x. The higher magnification makes them more suitable for fieldwork, while still remaining easy to use for hobbyists and kids.

The greatest advantage of precision hot pressing is its ability to produce high-precision and smooth-surfaced aspheric lenses with sub-micron-level accuracy. Although the use of high-precision metal molds and materials that can withstand high temperatures and pressure may result in higher production costs. Furthermore, this method is ideal for producing relatively simple aspheric lenses due to the simplicity of their shapes.

Astronomy is one of the most widely used fields of aspheric lenses. Telescopes and astronomical telescopes require high-precision imaging to observe galaxies and stars, and aspheric lenses can correct spherical aberration and distortion to provide higher-quality imaging.

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Magnification usually ranges anywhere from 30x to 100x, with some models having variable settings. Most have some sort of light source, and some even have camera attachments that let you take pictures.

CNC grinding technology achieves sub-micron level precision in lens manufacturing and allows for more complex designs of aspheric lenses. Additionally, it provides higher production efficiency and superior surface quality compared to other methods, reducing production costs while enhancing lens performance.

Aspheric lenses require more precise measurements and positioning, thus requiring more skilled operators during fabrication, installation, and adjustment.

For the case where customized aspheric lenses are required, factors such as development cost, sample cost, batch price, and delivery cycle also need to be considered.

Both spherical and aspheric lenses are common lens types, and the main difference between them is the curvature of the lens.

Although some users lament the fact that there's no stage, this is still a good value for the price. It usually retails for under $15, which seems a fair deal for an instrument that provides a good image with up to 100x magnification.

Aspheric lenses advantages disadvantageswikipedia

Aspheric lenses, on the other hand, can be manufactured in a variety of curvatures as needed, so problems such as spherical aberration, distortion, and peripheral astigmatism can be better corrected, making them better adaptable to various imaging needs.

Given the cheap price and ease of use, we think it's a good investment for jewelers or casual hobbyists as well. The one downside is that you'll have to provide your own batteries.

The use of aspheric lenses has two major advantages: one is to improve the imaging quality of the entire optical system; the other is to reduce the weight and size of the finished product. Advantages include a reduced number of back reflections that occur in the system resulting in higher total light transmission, reduced system heating when some kilowatt-level high power light is transmitted, advanced process technology reduces damage to subsurface layers, the spherical surface is precisely polished to improve the collimation accuracy.

So what's the best pocket microscope? That depends on your needs. Models vary greatly in terms of size, cost, quality, and features.

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We provide off-axis paraboloid, ellipsoid, hyperboloid, and other aspheric lenses. At the same time, we can also provide aspheric lenses of various infrared materials, such as germanium, zinc selenide, zinc sulfide, and more.

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A pocket microscope is exactly what you think it is, a microscope designed to be small and portable. Although many are truly pocket-sized, others are slightly larger. Their small size and varying levels of magnification make them an extremely versatile tool for professionals and amateur scientists alike.

Aspheric lenses are unique lenses that have a non-spherical curvature. They are widely used because they can provide higher-quality imaging effects when compared with traditional spherical lenses. In this article by Noni, we will introduce what are aspheric lenses from their basic definition, compare them to spherical lenses, explain their working principles, and processing methods, list their advantages and disadvantages, and highlight their applications.

Nonaspheric lenses advantages disadvantages

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An aspheric lens is a type of lens that differs from the traditional spherical or cylindrical shape. It boasts complex and asymmetrical curves that allow it to correct common lens problems like distortion, peripheral astigmatism, and spherical aberration.

For under $10, it's cheaper than many jewelers' loupes and provides brighter light and a clearer image. An extremely versatile product for the price.

The industrial field also requires high-precision imaging to ensure product quality and efficiency. Aspheric lenses can provide more accurate imaging in applications such as automated manufacturing, machine vision, and laser imaging, thereby increasing production efficiency and reducing costs.

Medical imaging also requires high-precision imaging to ensure accurate diagnosis and treatment. Aspherical lenses are widely used in the field of medical imaging, such as intraocular lenses in eye surgery, X-ray imaging systems, and MRI machines.

It comes with a wrist strap and a clip for attaching a small camera or cell phone for taking photos of what you are viewing.

Aspheric lens CNC grinding is a highly precise processing method that utilizes CNC machine tools to cut and process aspheric lenses from bulk materials, producing lenses with exceptional shape and surface quality. This technique is widely employed in modern optical manufacturing due to its ability to produce high-precision aspheric lenses.

Most pocket models have a light on one end and an eyepiece on the other. Some have a tiny staging area, which is a base where you can put small objects and hold them in place while you view them. If there's no stage the microscope is simply held over the object and moved around until you get the right angle.

Conventional lenses also produce distortion in the peripheral region. This is due to the shape of the lens limiting how much light can be bent. In contrast, aspheric lenses can freely adjust the curvature as needed, thereby eliminating distortion.

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If you're tired of constantly changing batteries and want more illumination, consider purchasing an LED model. With LED illumination, the lighting is more powerful and efficient.

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Although less common now, some pocket models display an image that is reversed. This is due to the microscope using mirrors and lenses to magnify the image, not unlike what happens in your eye.

Spherical lenses produce spherical aberration in the peripheral region. This means that when light rays pass through the lens, they will be focused on different points due to different angles and positions, resulting in image distortion. Aspherical lenses can correct spherical aberration through complex curves, thus providing more accurate imaging effects.

A stereo microscope is special in that it produces a 3D image of the specimen. Learn more about these unique models, who invented them and how they work.

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What was once rare is now quite common, and many models come with LED Illumination. One of our favorites is the SE Mini illuminated pocket microscope. It's cheap, easy to use, and gives off a very bright light. Some other features:

Aspheric lenses have several advantages over conventional lenses, including improved accuracy in the light collection and the ability to eliminate spherical chromatic aberration. Additionally, they have a simple structure that can replace multi-lens systems, reducing weight, volume, and cost. Unlike traditional lenses, aspheric lenses have varying radii of curvature from the center to the surface’s edge. This unique feature enables them to eliminate errors that standard lenses cannot.

This article shows basic knowledge about aspheric lens and we hope it can not only offer you a complete explanation about what is a aspheric lens, but also give you some inspiration about its benefits and applications.

A digital microscope has many fun advantages, from high picture quality to the ability to share images. Learn how they work, their cost, and choosing one.

Precision hot pressing is a highly precise manufacturing method that enables the mass production of aspheric lenses with exceptional accuracy and surface quality. By placing the lens material into a heated metal mold and applying high pressure at elevated temperatures, this technique allows for complete control over the shape and surface quality of the resulting lenses.

As a result, the image circle isn't large enough to cover the full-frame sensor on your RP, so it applies a 1.6x crop to the photo. Thus, 50mm ...

A telescope consists of an objective mirror or lens and an eyepiece. The role of the eyepiece is to change the angle, A, of the rays.

A dark field microscope uses indirect light to illuminate your specimen. Find out how they work and when to use one. We'll even teach you to make your own!

Due to their complex design and manufacturing process, aspheric lenses are usually more expensive than traditional spherical lenses.

spheric lenses are commonly used in a variety of optical systems to reduce aberrations and improve image quality. Here are some additional types of aspheric lenses:

Aspheric lenses provide higher-quality imaging and are correct for issues such as spherical aberration, distortion, and peripheral astigmatism. This makes them particularly suitable for applications requiring high-precision imaging, such as astronomy, medicine, and industry.

One of the most popular products out there for this magnification level is the Learning Resources Illuminated Microscope. It usually retails for $10 or less, so they're an easy investment to make. Some features include:

While optical aspheric surface replication molding technology can achieve high precision and excellent surface quality, it may have limitations in terms of replication accuracy and surface quality. Therefore, it may not be suitable for all types of aspheric lens manufacturing needs. Nonetheless, when used appropriately, this technology serves as a valuable solution for various industries seeking to produce high-quality aspheric lenses efficiently and cost-effectively.

One such popular product is the Carson MicroMax 60x-100x Lighted Microscope, which comes in both a standard and LED model. With a magnification of up to 100x, so much more is revealed than with a 30x microscope. The Carson MicroMax also boasts:

Aspherical lenses can be freely adjusted in curvature and shape as required, allowing them to provide higher optical efficiency. This makes them the preferred choice in many application areas, such as laser systems, lighting systems, and optical sensors.

In short, an aspheric lens is a lens that provides higher-quality imaging. They adjust curvature and shape to correct problems such as spherical aberration, distortion, and peripheral astigmatism and have the advantages of greater precision, larger aperture, and improved efficiency. Due to its wide range of applications, aspheric lenses will be more and more widely used in the future.

As you can imagine, there's a wide variety of pocket microscopes out there for a multitude of different uses. These products offer convenient portability and relatively powerful magnification at a cheap price. So whether you want a 30x kids microscope for outdoor fun, or a 100x LED model for inspecting small parts, there's bound to be a product out there for you.

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This very affordable pocket-sized microscope has a magnification range of 100x to 250x. It has a slide tray that can be folded away to allow for viewing other objects.

This microscope was built for younger kids (6-12), but it's far better than a simple toy. Hours of educational entertainment are granted by the ability to see the world 30 times larger.

The radius of curvature varies everywhere on one of the surfaces with a height from the optical axis to minimize spherical aberration. The other side is convex or flat.

Aspheric lenses are designed to better correct spherical distortion, but they are also prone to other types of optical distortion, such as lateral astigmatism and longitudinal astigmatism.

Noni is a leading custom optics production and development company with extensive experience in the industry of optical components and systems. Since our establishment in 2014, we have been committed to providing exceptional services to our clients worldwide. Our team comprises experts who have been in the optics field since 2008, ensuring that we deliver top-quality products and reliable services to meet our client’s diverse needs.

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Spherical lenses have the same curvature, while aspheric lenses have different curvatures. Due to the fixed surface curvature of spherical lenses, they only provide the best image quality in certain situations. Specifically, spherical lenses provide optimal imaging when the object is located at the infinity of the spherical lens.

Aspheric lenses have a more complex surface shape, are more susceptible to contamination and damage, and may require more frequent cleaning and maintenance.

However, a small microscope may not have enough space to hold the mirrors that correctly reposition the image. Thus you'll always see the picture in reverse. This takes some getting used to, and may be too confusing for some. It's just something to watch out for when buying a very small microscope.

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This is a mini microscope, so it's pretty small even for a pocket model. The diminutive size could be an advantage for those wanting to do horticultural or biological work outside.