In the box you'll receive 5 1.25 eyepieces at following sizes, a 32 mm Plossl Eyepiece, 17 mm Plossl Eyepiece , 13 mm Plossl Eyepiece, 8 mm Plossl Eyepiece, 6 mm Plossl Eyepiece, a 2X Barlow Lens 1.25. You are asking about a very specific eyepiece in a very specific scope combined sometimes with a Barlow. I have to say that your questions are answered in the article. Well, I'll just say it. My Meade 4000 56 and 60 degree Meade Plossls are pretty sharp to my eyes and do pretty well for me. Very nice article. I hope I can say that someday. Can you help me. Some optics brands have taken the next step and launched some eyepieces they have labeled as Super Plossl. The original Meade 5-piece Super Plossl hasnt been in production for decades and at this point is more of a collectors item than a high-performance eyepiece. However, there can be a problem bringing the eyepiece into focus. I would recommend the Baader Hyperion Zoom for any telescope. 70 mm scope will have a max of 140X for planning purposes. Save my name, email, and website in this browser for the next time I comment. I really like the simplicity and compactness of these simpler designs (ie: Plssls, Orthos, Kellners, etc). How will my telescopes focal ratio affect my purchases? Even if we were next-door neighbors this would take weeks of discussion and planning. But these are only intended to get you started. Typically, these will be 25 mm and 10 mm or something close to that. It may very well last you a lifetime and in the long term, you will definitely consider it to be a worthwhile investment. Pay attention to the eye relief, especially if you will be observing with glasses. I also just bought the Celestron Starsense 102mm refractor (650mm focal length, f/6.5) as a first scope for me and my kids. Because of this setup, you might also hear a Plossl eyepiece referred to as a symmetrical eyepiece. Just give yourself some time to learn the app and to understand the scope. . This gives us more flexibility at the low end of the magnification range. Telescopes Cost: Acceptable, Good, and Really Good Telescopes, Used Telescopes Buying Guide The Complete Guide, Different Types of Asteroids (C, S, and M) The Definitive Guide, Top 10 Night Sky Objects for Astronomy Beginners, Asteroid Mining Know Everything About It, German Equatorial Mounts (GEMs) Overview and Working. We will use 10 mm as the eyepiece focal length, but we will look at three different 10 mm eyepieces, each with a different apparent field of view, AFOV. One learns by observing. Most telescopes come with one or two eyepieces. But the longer FL units are certainly useful. This general purpose design gives good colour correction and an adequate feld of view at reasonable cost and they are often bundled with new telescopes. I consider the Plossl to be the minimum standard for a good eyepiece. Sometimes you want to see a wider field of view to locate an astronomical object like a nebula by using nearby stars. 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. Omni 12mm Eyepiece - 1.25" Learn More. Being a total novice, I love the StarSense app and technology. Then set your maximum based on your aperture and split it up. That is a wonderful expression. We have compared Plossl against Kellner eyepieces in a previous article. You could say Super Plossls are not much more than a marketing tactic these days. Now here is something that some of us classic scope nuts know - there are plossls, and there are plossls. It appears to be a custom-made 90 degree binocular built from two 90 degree diagonals and binocular-size objectives attached in place of the usual OTA. It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. So, basically a Plossl eyepiece is a type of eyepiece that enables the viewer to see a wider field of view than would normally be the case, but at the cost of him/her having to physically put his eye very close to the lens of the eyepiece. Sony A7III vs A7RIII Astrophotography: Which One to Shoot Infinity! Some will offer longer eye relief which can be important to eyeglass wearers. Plossl eyepieces have a wide FOV and are known for their clarity and sharpness. Also, note that the pricing is based on 1.25 eyepieces. My 20, 26, and 32mm Plossls will probably stay around. By having a range of magnifications, you can optimize the image, which means you need more eyepieces. So you would have to test the set to see the actual result. I have personally tested a few Super Plossl and compared them to their regular counterparts by the same brand. Number of Lenses. FOR SALE! So I sincerely hope that this article helps you understand the similarities and differences between Plossl and Kellner eyepieces so that you can an informed decision and choose the best one for yourself. This is not a hard and fast rule, just a cautionary note. Thanks for going through the entire post. These are the workhorse eyepieces of today. I am very interested in viewing Nebulae do you think this set up will work well for that or do I need other eyepieces or filters? I have a 4 element (traditional) and a 5 element 32mm Meade, both from the same era in Japan, and the 5 element is much better by quite a bit. For super Plossl eyepiece, the field of view is typically 40 to 60 degrees. Some brands will add better lens coating, darker edges, or a higher quality case to their Super Plossl products, but strictly for performance, there isnt a difference between the two. As I mentioned earlier in the article, not all Plossls are created equal, which simply means that there are good Plossls and then there are bad Plossls. They have good center sharpness but exhibit some field curvature and astigmatism. Even when I upgraded to a 6mm Goldline, I kept the Kellner around because of pretty annoying kidney-bean blackout issues on the Moon with that eyepiece. They are a good brand with high-quality eyepieces, you just dont need to spend the extra money for almost no gain in performance. Also work very well with my binoculars that have removable focal reducers built into. Understanding and using a Barlow Lens To achieve six magnifications, you can have six eyepieces. This can be debated 100 ways, but that is my advice. You have to decide how fussy you are about the edges and what your budget can tolerate. One last thing, as a kid I used my telescope to watch squirrels and birds (which was interesting because the image was flipped around :-) so, you might consider getting an eyepiece that flips things the right way around so that navigating terrestrial nature is easier to manage. In simple terms, high focal ratio scopes, say those over F6, tend to be less demanding on eyepieces than those below F6. With a 8" dobsonian, a 6mm is very versatile. At one time Plssls were premium eyepieces. 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. There was an old Meade Super-Plossl design that used an additional lens element and could reach a wider field of view. If you read the article you know how to calculate the magnification and field of view. https://www.amazon.com/Explore-Scientific-68%C2%B0-40mm-Eyepiece/dp/B007LMG3F6/ref=sr_1_1?dchild=1&keywords=explore+scientific+68&qid=1606584676&sr=8-1, Thanks for your reply, I think I will go for the Orion Q70 . A decent barlow might cost as much or even more. Know what diameter eyepieces your scope takes. Despite this, I also have some Plossls which are indispensable. This has nothing to do with your scope or eyepiece. Between $100 and $250, I will call it mid-range. Another useful aspect of a wider field of view is that, assuming the entire eyepiece is sharp enough to show good images right to the edge, you dont have to nudge the telescope to track the rotation of the Earth as often with a Plossl (50 degrees) compared to a Kellner (40 degrees). Plossl eyepieces are great. 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. It also produces an erect image, meaning you see what youre viewing rather than seeing everything upside down or sideways as some types do. Any exit pupil between 7 mm and .5 mm is just fine. See if you will observe with or without your glasses. It comes with 1.25 Plossls 25mm (26x) and 10mm (66x) eyepieces. Kellner eyepieces use three glass elements in two groups to minimize color fringing. It uses two symmetrical pairs of glass elements (one convex and one concave) to pass the light. Celestron - 1.25" Eyepiece and Filter Accessory Kit - 14 Piece Telescope Accessory Set - Plossl Telescope Eyepiece - Barlow Lens - Colored Filters - Moon Filter - Sturdy Metal Carry Case. Then there is a pair of 32mm and 20mm TV Plossls which make my binoviewers work well with a Daystar Quark H-alpha solar filter. i did buy an astro-tech 3.2 paradigm ed from a cloudynights.com forum member. 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. This four-element Plssl design is the most popular eyepiece optical design that gives you excellent image quality, good eye relief, and a 50 to 56 degrees apparent field of view. Over $250, I will label premium eyepieces. Save my name, email, and website in this browser for the next time I comment. https://telescopicwatch.com/?s=barlow, Best of luck with your new telescope. A Barlow lens will not reduce the CA in a low FR achromat refractor so to speak of it changing the focal ratio would, I think, introduce confusion in most situations. Higher than 3X is usually reserved for astrophotography. Why not go back to the people who sold you the scope and get their help. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. And remember, when all else fails, read the instructions. This is where the second formula comes into play. Note that the full moon appears to be approximately .5 degrees across, so use that as a mental reference when looking at the numbers. But the one I am recommending here is the Tele Vue Nagler series. Is it just about finding and framing, or do wide fov EPs create a more immersive experience? In your case, I would do this for the 30 and the 20. I was just wondering if plossls are still worth it or should get a better eyepiece in a 30mm range. I havent addressed .965 eyepieces in the recommendations. Prices can run from $20 to $200 so the field is pretty broad. It also gives the widest possible exit pupil in my dob and SCT, very handy when using nebula filters. If your focuser/diagonal will accept 2 eyepieces, then I will suggest you get one or two 2 eyepieces for your low power wide view eyepieces. Focus on the magnifications rather than the mm of the eyepieces. 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. Plossls cost a bit more than the Kellners as Plossls are expensive to manufacture because they require good optical glass and precisely matched concave and convex doublet surfaces to prevent internal reflections. Super Plossl eyepieces are generally a little smaller than this at around 16-20 mm in size, which is why theyre sometimes referred to as wide-angle or low power plossls. Jupiter and Saturn are low in the sky now. But those EPs mentioned were all great too! The Plossl eyepiece is a type of optical system that was invented by Ernst Abbe. This also makes them more resistant to any form of dust getting inside the eyepiece. If you are completely new to stargazing, Kellner eyepieces are absolutely fine. Such eyepieces are able to offer great performance, i.e., satisfactory degrees of deviations, to about a 50.degree field. 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. Apparent Field of View: This is a measure of how wide a view the eyepiece will provide as compared to alternate eyepieces. Am I correct? But for AP you should really start your planning with the mount. Required fields are marked *. So, I think it worth your while to try the Plssls. ES 82 degree series plus 1 meade uwa @20 mm with 1800 focal length optical tube lowest mag 51 x / highest mag 300. If you stumble the first few uses, dont be discouraged. I have seen wider-field Plossls. You can email me also. I had a TV 20mm Plossl once. She has been looking at the sky for years and hopes to introduce more people to the wonderful hobby that is astronomy. The zoom can be used with any 1.25 focuser too. A key thing to remember is that eyepieces are universal. They are all made by the same OEM manufacturer. As a kid, I loved looking at the moon (which can be seen any time of day, regardless of ones bedtime) so make sure that the field of view is wide enough to see the whole shebang. Overall, I would highly recommend the goldline eyepieces. https://telescopicwatch.com/celestron-starsense-explorer-dx-102-130-reviewed/, If I was to upgrade these lenses, I was planning on working toward something like this: Lenses are fully multi-coated for excellent light transmission and reduced internal reflections. But with 2 eyepieces and a Barlow, you have the full effective range of your telescope. I also have an older smoothtop 20mm Meade 4000 that is also 5 element, and it is a fine eyepiece too, compared to another 20mm of the same vintage.