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Telescope Eyepieces

Telescopes are amazing tools that enable us to view objects that would otherwise be impossible to see. For instance, telescopes allow us to observe distant planets and stars. But did you know that telescopes can also be used to enhance the quality of images taken with digital cameras? That’s right! By attaching a telescope to your camera lens, you can magnify the image so that details such as tiny insects and flowers appear larger. This allows you to capture beautiful photos like the ones shown below.

Telescope eyepieces are small pieces of glass that attach to the end of a telescope tube. They work by refracting light rays coming through the objective lens (which focuses the image) into the eyepiece. Once the light reaches the eyepiece, it appears brighter than normal. As a result, the image becomes clearer and more detailed. If you’d like to try adding a telescope eyepiece to your camera, check out our buyers guide to learn more about the process.

SVBONY SV191 Zoom Eyepiece for Telescope, 7.2-21.6mm Zoom Lens, Compatible with Telescopes That Accept 1.25 Inches Eyepieces


If you're looking for a versatile, multipurpose eyepiece, the SVBONY SV191 is a great option! This eyepiece is compatible with both astronomical telescopes and spotting scopes, and it can be used in either a 1.25" or a 7.2-21.6mm (1/4 inch) configuration. With a 7-element lens structure and a high index of quality, this eyepiece is sure to provide you with clear images. Plus, it comes with a M28.5*0.6 filter thread for use with our favorite 1.25" filters. And if you're interested in saving money on your next purchase, take a look at the B&H Photo gift certificate program - they'll give you 10% off your next order.

SVBONY SV191 Telescope Eyepiece, 9-27mm Zoom Eyepiece, Super-Wide Angle 1.25 Inches Zoom Lens


The SVBONY SV191 Telescope Eyepiece is perfect for those who want to see more of the universe. This eyepiece gets a very wide view, allowing you to see more of the landscape than ever before. It also features a super-wide angle of 1.25 inches, giving you an unobstructed view of the entire scene. Plus, it's easy to use and focuses quickly and easily. So don't wait any longer, make your observations today!

PENTAX smc PENTAX XW40-R, 2-Inch Eyepiece for Telescopes High-Performance Eyepiece with an Extra-Wide 70°Apparent Angle of View, 20mm Eye Relief Original Multi-Layer Coating All-Weather Made in Japan

Pentax USA

If you're looking for a high-quality, all-weather telescope that will help you explore the stars, look no further! The Pentax SMC PENTAX XW40-R is exactly what you need. This premium telescope features a clear, comfortable viewing experience and high-grade optics for exceptional image quality. With its built-in adapter mounting screw/thread, you can easily mount it on your favorite tripod or pole stand. And if the weather gets bad, it can be used in inclement weather without any issues. So don't wait any longer, order your Pentax XW40-R today!

Bigking Zoom Eyepiece Lens,Professional 8-24mm Zoom Eyepiece Optic Telescope Lens for Star Watching Astronomical Use

Looking for an eyepiece that will help you see the finest details of the night sky? The Bigking Zoom Eyepiece is perfect! This professional-grade telescope eyewear comes with everything you need to get started, including a protective case and cleaning cloth. With its high quality construction and extended zoom range, this eyewear is sure to become a staple in any astronomer's toolkit.

Explore Scientific 68 Degree 24mm Argon-Purged Waterproof Telescope Eyepiece

Explore Scientific

Looking for a high-quality, waterproof telescope eyepiece? Look no further than the Explore Scientific 68 Degree 24mm Argon-Purged Waterproof Telescope Eyepiece! This eyepiece is perfect for any serious astronomer or outdoorsman, and features a focal length of 24mm, a length of 75.6mm, a width of 56.2mm, and a weight of 11.6 ounces. The barrel size is 1.25", and the eye relief is 18.4mm. Plus, the field stop diameter is 27.2mm, making this eyewear ideal for use in all kinds of lighting conditions.

Orion 8829 38mm Q70 Wide-Field Telescope Eyepiece


Looking for a high-quality, affordable telescope eyepiece? Check out the Orion 8829! This eyepiece features a wide 70-degree field of view, giving you a truly immersive experience. It's also made of high-quality materials and is easy to assemble and install. Plus, it comes with our standard warranty.

SVBONY Telescope Eyepiece Multi Coated Telescopes Lens Telescope Accessory Kit with Barlow Lens for Standard 1.25 inches Filter Threads 4mm 10mm 25mm


Looking for a way to up your game when it comes to astronomy? Check out our collection of telescopes, cameras, and accessories! With a variety of options to choose from, you're sure to find the perfect tool to suit your needs. Our team at SVBONY has years of experience in the manufacture of quality optics, so you can be confident you're getting a good product.

SVBONY SV171 Telescope Eyepiece, Zoom Eyepiece, 1.25 inch 8mm to 24mm Zoom FMC 7 Element 4 Group for Telescope


If you're looking for a super-wide angle, high-quality eyepiece that will allow you to see more of the universe with every shot, the SVBONY SV171 is the perfect choice! This eyepiece features a 1.25" aperture, an 8mm-to-24mm zoom range, and FMC (Fiber Molded Carbide) glass lenses for superior image quality and durability. The humanized design provides comfortable long eye relief and a wide viewing angle, while the sleek black barrel and understated blue coloration makes this eyewear piece look great even when not in use. With its standard 1.25" fitting diameter, the SVBONY SV171 is a great option for any astronomer looking for a new eyewear piece.

SVBONY SV170 Telescope Eyepiece, Zoom Eyepiece, 1.25 inch 10mm to 30mm Zoom FMC 5 Element 3 Group Telescope Accessory, for Telescope


If you're looking for a high-quality, long-lasting telescope eyewear option, the SVBONY SV170 is a great choice! This top-of-the-line eyewear features a 1.25" 10mm to 30mm zoom, perfect for delivering a range of viewing magnifications. With its superior performance and durability, it's sure to become a staple in any astronomer's arsenal.

Gosky 1.25inch Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters (40mm)


If you're looking for a top-quality, portable telescope that is easy to use and provides excellent image quality, the Gosky 1.25inch Plossl Telescope is exactly what you need! This telescope features a wide viewing angle and a 4-element plossl design for superior clarity. It comes with threaded for standard 1. 25inch astronomy filters and features a blackened eyepiece barrel to protect against reflection. Plus, it comes with a sturdy plastic and rubber cap to keep the eyepiece from being damaged by dust or moisture. Get yours today!

Buyer's Guide

How To Choose The Best Telescope Eyepieces

A telescope is a great tool for observing the night sky. However, choosing the correct eyepiece is just as important as selecting the right telescope itself. This guide will help you understand what makes a good eyepiece and why they matter so much. We have also included our top picks for the best telescopes available today.

What Are Telescope Eyepieces?

An eyepiece is an optical device that allows light to pass through it and focus onto a distant object. It works much like a magnifying glass does for looking at something up close. The objective lens focuses the image onto the ocular lens, where it is viewed by the observer. There are many different types of eyepieces available, including binoculars, spotting scopes, rangefinders, and telescopes. They all work similarly, but each type has its own advantages and disadvantages.

Why Would I Need An Eyepiece?

Eyepieces come in various sizes and shapes, allowing you to choose the right size for your needs. For example, if you want to look at something very far away, you'll probably want a large eyepiece. If you're trying to see details of something small, you might prefer a smaller eyepiece. You may even find yourself using both an eyepiece and a regular viewfinder together.

Who Needs Telescope Eyepieces?

Telescopes are one of the most useful tools for observing objects in space. But did you know that telescopes aren't only used for stargazing? Telescopes can also be used to view things closer to home.

The best place to start is with a basic telescope. These are usually sold in stores under the name "eyepieces" or "viewfinders." An eyepiece lets you magnify images. Magnification refers to the size of the image compared to its original size. When you put an object through an eyepiece, it appears larger than normal. For example, if you were viewing an object through a 10x magnification eyepiece, then the object would appear ten times bigger than usual.

Wide angle eyepieces let you see a wider area. Telephoto eyepieces focus light down to a smaller area. Both types of eyepieces allow you to observe large areas. However, telephoto eyepieces do this better than wide angle eyepieces.

When choosing an eyepiece, think about where you plan to use it. Will you be using it indoors or outdoors? How far away will you be viewing? What type of object will you be viewing?

Wide angle eyepieces are ideal for indoor observation. They let you see a large area but still capture details. On the other hand, telephoto eyepieces are perfect for outdoor observations. They let you see a small area clearly while capturing detailed information.

Choose a wide angle eyepiece over a telephoto eyepiece. Wide angle eyepieces offer greater flexibility. With a wide angle eyepiece, you can move around to view different areas. Telephoto eyepieces require you to stand still.

Look for a clear lens. Clear lenses let you see more detail. Some eyepieces have colored filters which block certain wavelengths of light. These filters reduce contrast and cause colors to blur. Look for eyepieces that filter out these wavelengths.

Consider the field of view. Field of view refers to the amount of sky visible through the eyepiece. Most eyepieces have a fixed field of view. This means that once you select the eyepiece, you cannot change the field of view.

Try before you buy. Before buying any item, take it outside and test it. Use it in daylight conditions.

The Importance Of Purchasing Quality Telescope Eyepieces

If you've ever used a telescope, then you already know how useful they can be. They let us see things we couldn't normally see otherwise. Telescopes come in many different sizes and shapes, so it's important to find one that suits your needs best. Here are some tips to keep in mind when buying a telescope:

Look for telescopes that have a wide field of view. A wider field of view means that you'll be able to see objects further away. This makes it easier to spot celestial bodies like planets and stars.

Look for telescopes that offer magnification power. Magnification power lets you see details that would otherwise go unnoticed. For example, if you use a 10x magnifying glass, you'll be able to see things up to 100 times their actual size.

Look for telescopes that have a sturdy design. You want something that won't break easily. Make sure to buy a telescope that meets industry standards. When you purchase a telescope, you want to ensure that it's safe and durable.

Look for telescopes that are easy to operate. There are two main ways to control a telescope. One way is by hand. Using a handheld controller, you'll be able to move the telescope left and right, up and down, and focus. Another way is through motorized controls. These motors automatically move the telescope in any direction you wish.

Look for telescopes that are lightweight. Lightweight telescopes are easier to transport and handle. They're also less likely to damage delicate equipment. On the other hand, heavier models tend to provide better stability.

Look for telescopes that are affordable. While you may think that expensive telescopes are worth every penny, you might end up regretting it later. Cheap telescopes aren't necessarily bad, but they do lack features that higher quality ones do. So, try to stick within a certain budget range first.

Features To Consider When Buying Telescope Eyepieces

Magnification power. Magnification power refers to how big the image appears through the eyepiece. The higher the magnification power, the bigger the object appears. However, magnifications over 100x are usually only used for viewing objects such as planets and stars.

Aperture diameter. An aperture determines how large the hole in the front of the lens is. The larger the aperture, the more light passes through the lens. This means that the brighter the star, the smaller the aperture needs to be.

Field of view. Field of view describes how wide the field of vision is. The wider the field of view, the greater the area covered by the eyepiece.

Focal length. Focal length measures how far away an object appears in relation to its actual size. The longer the focal length, the further away the object appears.

Optical quality. Optical quality refers to how sharp the images appear. High optical quality makes it easier to spot details in the sky and other objects.

Weight. Weight refers to how heavy the eyepiece is. Lighter eyepieces weigh less than heavier ones.

Size. Size refers to how big the eyepiece is. Smaller eyepieces tend to be lighter and cheaper than their larger counterparts.

Color. Color refers to how bright the color of the eyepiece is. Darker colors mean darker skies while lighter colors mean brighter skies.

Cost. Cost refers to how expensive the eyepiece is. Lower cost eyepieces are generally made of plastic and may not hold up well under extreme conditions.

Quality. Quality refers to how sturdy the eyepiece is. Higher quality eyepieces are made of metal and glass and are more durable.

Different Types Of Telescope Eyepieces

Telescope eyepieces are essential tools for any serious astronomer. They enable us to view objects up close without having to look through large telescopes. Telescope Eyepieces are also useful for viewing planets and stars. Telescopes come in various sizes ranging from small handheld models to huge observatories. Each model offers its own advantages and disadvantages. Below we will go over what makes each type of telescope eyepiece special.

Refractor. Refractors are by far the most commonly used type of telescope eyepiece. They consist of two lenses separated by a thin gap. Light enters the front lens and passes through the gap to the rear lens. The light bends slightly as it travels through the air between the lenses. When viewed through the rear lens, the image appears magnified due to the bending of the light. Refractors are inexpensive and offer good quality images. These are also lightweight and compact making them easy to transport.

Cassegrain. Cassegrains are larger than refractors. They consist of three separate lenses instead of two. A primary mirror reflects incoming light towards a secondary mirror. The secondary mirror focuses the light onto a tertiary mirror. Finally, the light passes through the third lens to create an image.

Ritchey-Chretien. Ritchey-Chretiens are similar to cassegaints except that they use four mirrors instead of three. These are also known as "four-mirror" eyepieces. They are heavier than cassegaints and less affordable. These are also harder to maintain. They are also prone to vignetting meaning that the corners of the image appear darker than the center. Vignetting is caused by imperfections in the optics.

Newtonian. Newtonians are the largest and heaviest type of telescope eyepiece. They consist of multiple lenses arranged in a circle. These are also called "Dollars". Telescope Eyepieces are also the most expensive type of telescope eyepiece. They produce excellent images but are also heavy and bulky. They are also prone to vignetting.

Schmidt-Cassegrain. Schmidt-Cassegrains are similar to Newtonians except that they use five lenses instead of six.


Frequently Asked Questions About: Telescope Eyepieces

What are telescope eyepieces?

Telescope eyepieces are special types of optical instruments that magnify objects viewed through telescopes. They allow us to view things at much greater distances than we would otherwise be able to without them.

Where Did They Originate?

They originated during the early years of astronomy when astronomers needed to look at distant stars. At this point in history, no one had invented anything like modern-day eyeglasses, so scientists were forced to use their eyes instead of their telescopes.

How Do Telescope Eyepieces Work?

When light enters our eyes, it passes through the cornea and then into the crystalline lens. Our crystalline lens focuses the image onto the back of the retina, where it is converted into electrical signals. These signals travel along the optic nerve to the brain, where they are interpreted as images.

What Is The Difference Between A Telescope Eyepiece And Binoculars?

A telescope eyepiece has two prisms inside of it. One prism allows us to focus the image, while the second prism lets us change the magnification of the image. Binoculars have three prisms inside of them. Two of the prisms let us focus the image, but the third prism changes the magnification.

How Do I Know What Type Of Eyepiece I Should Buy?

You will want to get an eyepiece that matches your telescope's focal length. If you don't know how to determine your telescope's focal length, check out our guide to finding your telescope's focal length.

Which Eyepieces Are Best For Beginners?

If you're new to telescopes, you'll probably want to start off with something simple. A 10x50mm eyepiece will give you a good idea about how powerful a telescope you can build yourself. Once you've mastered that, try building a 20x80mm eyepiece. Then move on to a 40x100mm eyepiece, and finally a 100x200mm eyepiece.

What Is The Difference Between A Star Diagonal And A Field Flattener?

Star diagonals are designed to correct for spherical aberration. Spherical aberration occurs when the rays coming from a bright object fall outside of the f/ratio of the objective lens. When this happens, the image becomes blurry. Star diagonals correct for this problem by bending the incoming rays inward toward the center of the eyepiece.

Field flatteners are designed to reduce chromatic aberrations. Chromatic aberrations occur when colors appear slightly distorted due to differences in refractive index. Field flatteners bend the incoming rays outward away from the center of the eyepiece, thus reducing the amount of distortion caused by color dispersion.

What Is The Difference Between A Newtonian And Gregorian Design?

Newtonians are named after Isaac Newton, who discovered the law of gravity. Coma is the blurring effect that results when the rays from an object fall outside of the f/ratio of the objective lens. Astigmatism is the blurring effect that results when the rays from an object fall within the f/ratio of the objective lens but aren't parallel to each other.

What Is The Difference Between A Newtonian And Cassegrain Design?

Cassegrains are named after Pierre Janssen, who was the first person to successfully combine a reflecting mirror and a refracting lens to create a telescope. Cassegrains are designed to minimize spherical aberration and coma. Spherical aberration occurs when the rays from an object fall outside of the f/ratio of the objective lens. Coma is the blurring effect that results when the rays from an object fall within the f/ratio of the objective lens but aren't parallel to each other.

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