These are effectively simple designs like Plossls, Kellners, Konigs, and RKEs, with long focal lengths, that have a lens included to increase their focal length. Tele Vue has eyepieces that approach $1000. With a 130mm-F5 I would use a Plossl 32mm for its low-mag-wide-view. This is the link to the one I plan to buy as I know some others come with add ons: https://www.rothervalleyoptics.co.uk/baader-hyperion-mark-iv-8-24mm-universal-zoom-eyepiece.html, Thats great you had an XT8i that makes me feel confident I got a good telescope . Find many great new & used options and get the best deals for Meade 32mm 2" 5-element Super Plossl Wide Field Eyepiece at the best online prices at eBay! https://telescopicwatch.com/orion-skyquest-xt8-intelliscope-review/. Kellner eyepieces, on the other hand, are generally pretty close to each other in terms of quality so theres little chance you will get much variance in image definition between brands. But the longer FL units are certainly useful. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. However, your budget must guide your purchases. If you want to buy him $200 eyepieces so he can grow into them, that works. Their eye relief is limited to about 70-80% of their focal length. Think of these as your Ford, Chevy, and Toyota of eyepieces. You can do the calculation which will show that the 70 will have a significantly wider field of view as compared to the 52. And I am a visually observing focused person. Again, it only costs $30 to $40 to find out, so the education is not that expensive. Plossl eyepieces are perfect for astronomical viewing because the field of view is wider. Or take one of your eyepieces and measure across the bottom of the barrel. So if you need to go to Arcturus and then go 2 degrees to the right to find your target, you can use the FOV of the eyepiece to estimate 2 degrees. Looking forward to first use. https://telescopicwatch.com/?s=barlow, Best of luck with your new telescope. Save my name, email, and website in this browser for the next time I comment. Is there anyway you could include links to the eyepieces you mentioned in the last paragraph of your reply as Im totally new so worried about buying the wrong thing! We enjoy binoculars for the moon, but having never looked through another telescope, my kids and I do not know what internal reflection, ghosting, vignettes, or diffraction spikes look like! A key thing to remember is that eyepieces are universal. . Celestron Telescopes Reviews: Should you buy? - Little Astronomy Read our full affiliate disclosure here. I dont think so. And since this article is intended as an aid to beginners rather than a rigorous optics lesson, I think the context I provided works well enough. Even big telescopes are subject to limitations imposed by the atmosphere. Hi Ed, If you are just testing the waters or on a tight budget, get the Celestron, which is still pretty good. If money is not a concern, you cant go wrong with Tele Vue eyepieces, any Tele Vue eyepieces. Even though there are more sophisticated types of EPs, Plossls hit the right spot between high-quality optics and price. Later in the article, I will also give my top recommendations for both the best Kellner as well as the best Plossl eyepieces. Fully coated with magnesium fluoride on every air-to-glass surface for excellent light transmission and high contrast views. The telescope comes with a 2x Barlow so I was thinking of getting one of the zooms you recommended. The one exception I would keep in mind would be when working with Newtonian reflector telescopes below F5. Ah I see what you are saying, I had wondered whether this might have had an impact as Ive seen it mentioned before but dont fully understand it so will do some research, thank you . https://www.amazon.com/Orion-8879-1-25-Inch-Enhanced-Telescope/dp/B000BMPBLK/ref=sr_1_8?crid=3KKUJRXYYN7DI&dchild=1&keywords=telescope+diagonal+1.25&qid=1610887695&sprefix=telescope+diagonal%2Caps%2C512&sr=8-8, Excellent article and very good recommendations. A zoom eyepiece works like the zoom lens on a camera. In this case, I am going to define this by the focuser and eyepiece size. I owned an XT8 Intelliscope which is the same optical tube on a PushTo mount. The BHZ in a 2X Barlow will take an XT8 to 300X. At shorter focal lengths they have less eye relief, and at all focal lengths they have a narrower field of view, than newer types. I must also warn you that some of these bad Plossls may actually turn out to be worse than any run-of-the-mill Kellner. My 20, 26, and 32mm Plossls will probably stay around. I did sell them all when I adopted Dioptrx, and the Naglers are amazing! I am very near-sighted, barely see the big E on the vision chart without glasses. The Big Bang Optics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Lets give an example. Both will provide the same magnification. Heres the short answer Plossl eyepieces are generally better than Kellner eyepieces, but they also tend to be more expensive. Le migliori offerte per Celestron 1,25 pollici Omni Plossl telescopio astronomico britannico 32 mm J8R6 sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! https://telescopicwatch.com/best-astrophotography-telescopes/. https://telescopicwatch.com/best-telescope-eyepieces/. Plossls are extremely versatile and can be used for all use cases. However, I have eyepieces that have larger exit pupils than 7 mm and they work well. You can accomplish a longer eye relief by barlowing a longer f/l plossl, so that is something to think about as well. Of course, the entire eyepiece must be manufactured and finished correctly to realize the design's full potential. If your focuser/diagonal only accepts 1.25 eyepieces, I would recommend you use a 32mm as your longest focal length, lowest power eyepiece. I am considering buying another eyepiece, maybe 6mm, and a Barlow, maybe 2x, to give me a wider and higher range of magnification. So, if your scope is F6 or lower, you may want to consider some of the higher priced, better corrected eyepieces if you want the best image to the edge of the field. Hi, I have recently bought a Orion XT8 and am trying to work out which eyepieces to add to what is provided with the scope. Most people will be fairly comfortable with eye relief of 12 mm or higher. . A super Plossl eyepiece is a top-performing eyepiece that can be used for a variety of tasks, from viewing objects in the distance to looking at microscopic things. It also produces an erect image, meaning you see what youre viewing rather than seeing everything upside down or sideways as some types do. SVBONY Eyepiece Review: Take Your Stargazing Up a Notch It's one of the best choices you have when it comes to budget stargazing. Take a look at your manual or users guide. The 4000 SWA's were way overpriced for their performance IMHO. If you were considering a Meade Super Plossl, in that case just get the regular one also by Meade. 2. But what are the differences between these two and how do you know which one to choose? Our previous exchange convinced me to start out with an 80mm refractor. 6.7 = 268 = .3 However, for your extra money you get the finest manufacture, the best polish and coatings available. Not perfect to the edge but better than the Bresser, in my opinion. That's how cost-efficient the entire package is! Goldline series of eyepieces provides the best value in this price range, better than Plossls. These are the best in optical performance and build quality. You will get varying opinions on this but I would not worry too much about this. Can you help me. thanks Ed. 3. 8.5-ish mm (75x & 150x) With a 8" dobsonian, a 6mm is very versatile. I just added the 4.7 mm. These sport a 60-degree apparent field of view, about a 20% wider apparent field of view than Plossl eyepieces. IF you like your Hyperions , you could get a 2 inch visual back and 2 inch diagonal / or 2 inch SCT diagonal and add the 31 or 36 Baader eyepieces in 2 inch . A good modern eyepiece like a BST starguider 12,8 and 5mm are excellent eyepieces. Typically, these will be 25 mm and 10 mm or something close to that. Edited April 23, 2010 by russ teh_orph Members 28 198 Author Ive added comments on where you may find and use them. We are a team of active amateur astronomers, here to help you with all your astronomy and science related needs this is anything, from reviewing the latest telescopes to be released to talking about gravity and neurons. Kellners can be as little as half the price of a Plossl in the same focal length, but they are generally very comparable, especially in recent years as telescope prices have fluctuated in response to changing supply chains and demand. She has been looking at the sky for years and hopes to introduce more people to the wonderful hobby that is astronomy. When I had a 6mm Kellner, I found the eye relief annoyingly short, sure, but when compared to the 6mm Plossl that often comes with eyepiece kits, it was luxurious. Note that the price categories are approximate, as prices can vary between retailers. i didnt have all this simply-put information when i bought my orion st-80 as my christmas present to myself in 2020. i started out with several pair of binoculars i bought used off ebay, then bought the scope. With a refractor, SCT or MCT, it is usually better to get a correct image diagonal than a correcting eyepiece. Plossls and Kellners, like other simple eyepiece designs, have moderate fields of view and tend to have short eye relief as you scale them down to shorter focal lengths. All are good eyepieces and diagonals, and would be excellent for star party use. I took notes and now can shop with confidence The way a Plossl eyepiece works is by using the convex lens and concave lenses to create an image that has both total magnification of what youre viewing, as well as erect images. In the case of the Celestron, you get all the focal lengths from 24 to 8mm in one eyepiece that costs $100. The Big Bang Optics participates in the Amazon Services LLC Associates Program, which is an affiliate advertising program designed to provide a means for websites to earn advertising fees by advertising and linking to amazon.com. This eye piece provides the maximum true field of view in the 1.25 inch format. There is a little bit more to it than that and there are other design . Note that the full moon appears to be approximately .5 degrees across, so use that as a mental reference when looking at the numbers. As for Barlow Lenses, take a look at this article. Hi - I bought these from another AM'er 1 year or so back, thinking I will get into visual astro, But never found the inclination, So here it is for sale 9mm Nagler type 6 mint with box and caps,16mm Nagler type 5,optics are exc. My most used eyepiece is an 8-24 mm zoom. If you are new around here and you want to get started with the hobby, check out our astronomy for beginners guide or the recommended gear page. If you don't like the reflections, there really aren't many other budget options at its focal length beside a Plossl which will be super uncomfortable to use, or spending over $100 for something like a Meade UWA. This is just a planning target. A very good quality eyepiece for a reasonable sum. This can be debated 100 ways, but that is my advice. Celestron 2026 Erecting Prism Barlow Lens Set is well suited as an astronomical viewing lens kit or for enjoying terrestrial sights like nature walks, sporting events, and more! Between Kellners and Plossls, this means a 32mm Plossl, which maximizes the field of view in the 1.25 barrel diameter format, will show more stars than either a 32mm Kellner with the same magnification but a smaller true field of view, or a 40mm Kellner (or 40mm 1.25 Plossl, which has a 40 degree apparent field of view) with a lower magnification and the same true field of view. But some people demand the very best, and it is available, at a price. In that respect, they are similar to the Explore Scientific 82 degree mentioned earlier. I had a bino pair of TV 20mm Plossls, very fine for high power planetary observation with my long focus 8" Mak, then I also bought the older TV 21mm Plossl, after trying the 21mm I sold the more recent 20mm. I foolishly destroyed it while experimenting with solar projection, because I hadnt realized the metal-and-glass construction was aided by a plastic retaining ring on the field stop, and I hadnt realized you do not need to change the eyepiece focal length when doing solar projection. They are all made by the same OEM manufacturer. I have used both Kellner & Plossl eyepieces and a few others, and I can tell you that they all are quite different from each other in terms of the quality of the image that they produce. Here we have very good eyepieces with some extra features. I already got the 10mm super wide because of the added eye relief but at 15mm both have the same eye relief. I have since moved up to a 12 Dob but I use the same eyepieces and the BH Zoom continues to be my most used. That can only be shown through actual testing. To say it a different way, in general, an F5 scope will place more demands on the eyepiece around the edge of the field of view than an F10 scope. It offers good color correction and high-contrast images. Generally, to maximize the number of stars you see in an eyepiece with a given telescope, both the magnification and field of view should be maximized. You have to decide how fussy you are about the edges and what your budget can tolerate. I think some of these kits even include 4mm eyepieces, and thats ridiculous!