Can you use 2 barlows

Price is directly related to optic quality. If you are aiming for the top of the line optic system Barlow lens for your telescope, then this one from Televue is one of the best you can find. If you are willing to invest in high-grade optics, then the price is immaterial.

Your viewing and or astrophotography will reap the rewards. It truly lives to its claim in providing a crisp and clear image without loss of light. The black edge of the lenses helps keep a high contrast of your viewing.

So far, I have heard of no complaint regarding incompatibility or craftsmanship. The recess section of the tube prevents the Barlow from falling when setting on a flat. Its overall machining is clean and well-polished. These Barlow lenses made it to the list because they successfully satisfied the criteria in quality construction and lens quality. The essential things considered include achromatic reduction coatings, optical quality, housing material, and its overall quality. These are coatings applied on the Barlow lens to eliminate reflection of colors and light inside , which enhances the clarity and purity of the image viewed.

This refers to the innate quality of the Barlow lens. Typically, expensive ones have better lens quality compared to the cheaper options in the market. However, you can always strike in the mid-range lens quality. This refers to the material used in the body and parts of the Barlow lens. Likewise, it also talks about how well the materials were crafted by a specific brand. Majority of Barlow lenses have their housing made from quality aluminum and anodized black body.

In contrast, some have a durable plastic body. Rubber insulation can also be wrapped around its body to ensure a good grip. The compression ring inside is made from brass and ensures the eyepiece is securely held in place and will negate or minimize scratching. At this section, you need to consider all the things mentioned earlier and how it significantly makes your particular Barlow lens worth the price.

Sometimes this is most evident when you hold it in your hand. If we say a Barlow lens is achromatic, it means it is composed of two lenses stuck together and become one.

It is mostly a combination of convex and concave lenses. The overall result is an enhanced performance by effectively reducing chromatic aberration or splitting of colors and lights in various directions. An achromatic lens for a Barlow means it is composed of at least two lenses. While an apochromatic Barlows typically have three or more lenses. Meanwhile, if a Barlow lens has achromatic coatings, it means the coating helps to eliminate internal reflection inside the glass.

The end result is a sharper clearer image. For instance, a Barlow lens with 2-elements means the whole optic system is composed of two individual lenses stuck together. Meanwhile, a 3- and 4-element Barlow lenses simply mean the entire optic is composed of three and four individuals lenses stuck together, respectively. Having an ocular inspection on the fabrication quality of a Barlow lens can be seen on its interior and exterior finish.

A non-reflective dark surface inside the tube, and a brass compression ring to hold and secure the eyepieces. A few of these lenses also have safety grooves to keep the lens from falling. There is also the thumbscrew threads are significant enough not to pull or strip. Of course, it does not take much force to secure an eyepiece with a quality brass ring. From my list, my favorite Barlow lens is Celestron X-Cel 1.

Its multi-coated 3-element Apochromatic lenses make it perform as well as the more expensive Barlows for the average astronomer and on most telescopes. The reasons this guy won; it is 1. You get crisp and clear views of your image. It looks good too with the orange accents incorporated in it. The optical quality of this lens is excellent and comparable to the more expensive ones.

If you have a slow or fast telescope, this can do very well in elevating its viewing quality. To learn more about what makes a telescope fast or slow, click here. However, money is an object, and that is why I started this blog to help people get a telescope they can enjoy within their budget. Hopefully, we have made it worth your time.

If you liked this article and would like to learn more about Barlow lenses and what they can do for you, click here. IF you have a minute, you may want to check out my Recommended Gear Page where you can see what else I recommend. Have you ever held off on getting into something because it seemed complicated? Some telescopes look complex and complicated to use, well… Telescopes themselves are not hard to use.

The difficulty As I age, my back was telling me about this concept of weight of different telescopes and related sizes. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. Orion offers telescopes for every level: Beginner , Intermediate , Advanced , and Expert. From our entry level beginner telescopes for amateur astronomers to our Dobsonian telescopes to our most advanced Cassegrain telescopes and accessories , you can find the best telescope for you.

Because we sell direct, we can offer you tremendous value at a great price. Not sure how to choose a telescope? Orion's Telescope Buyer's Guide is a great place to start. Orion binoculars are known for quality optics at a great price. We offer binoculars for every viewing interest, including astronomical binoculars , compact binoculars , waterproof binoculars , birding binoculars , and sport and hunting binoculars.

Orion's telescope and astrophotography accessories will enhance your telescope enjoyment without breaking the bank. Expand your viewing experience with accessories ranging from moon filters to power-boosting Barlow lenses to advanced computerized telescope mounts. Capture breathtaking photos with our affordable astrophotography cameras.

And when you're stargazing, Orion's telescope cases and covers , observing gear , red LED flashlights , astronomy books and star charts will make your observing sessions more convenient, comfortable and meaningful. At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. Visit the Orion Community Center for in-depth information on telescopes , binoculars , and astrophotography.

You can find astrophotography "how to" tips and share your best astronomy pictures here. Cart 0. Order Status Help Community All Current Offers. Great Picks for a Staycation! Barlow Lenses. Orion 2" 2x Barlow Lens. More Shipping Information. Increase the power of any 2" eyepiece by a factor of 2x - for example: makes a 30mm eyepiece perform like a 15mm eyepiece Especially good for high-power lunar and planetary observing with big 2" telescope eyepieces Also includes a handy step-down 1.

Threaded for use with 2" filters Learn more. Item Add to Wish List. Email Friend. Barrel size. Magnification factor. Coatings Coatings. Filter threads. An extremely useful tool every amateur astronomer should have is a Barlow Lens.

The Barlow lens was invented by Peter Barlow an English writer on pure and applied mathematics. A Barlow lens is a concave lens that when placed between a telescopes objective lens or mirror and the eyepiece, will increase the magnification of the telescope.

A Barlow lens will connect directly to your eyepiece. The most common Barlow is the 2x Barlow. A 2x Barlow will double the magnification of the eyepiece it is attached to.?

For example, if you were using a 20mm eyepiece on a telescope with a mm focal length, you would have 50x magnification. If you attach a 2x Barlow lens to that eyepiece you will double the effective magnification of that eyepiece to x. One of the greatest advantages of a Barlow lens is that it not only will double the magnification it will effectively double your eyepiece collection!

If you had a 32mm 26mm and 10mm for example, adding a 2x Barlow would be like owning a 32mm 26mm 16mm 13mm and 5mm. A Barlow is much more cost effective, as it is usually less than the price of 1 eyepiece! When selecting a Barlow lens it is critical that you select one with a barrel size that will fit the eyepieces you are going to use it with.