Most likely it will be used as a loaner eyepiece to go with one of my two loaner telescopes. Or, if you are buying from an online like Amazon, then look at the eyepieces I recommend and see if any suit your needs. 40mm Orion Sirius Plossl Telescope Eyepiece | Orion Telescopes Warranty Limited Warranty against defects in materials or workmanship for one year from date of purchase. They are also good for those who have astigmatism because they are designed to be more forgiving with eye placement. Despite this, I also have some Plossls which are indispensable. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. SVBONY Telescope Eyepiece Set Telescope Accessory Kit with 2x Barlow Lens 4 Element Plossl Design 6.3mm 32mm 40mm for Astronomical Telescopes. The 21mm is simply amazing, I can't believe that TV decided to discontinue this little gem, it is better than the newer version in every category including eye comfort, the overall shape along with fit and finish is one of the best from TV. Thanks for your comment. She has been looking at the sky for years and hopes to introduce more people to the wonderful hobby that is astronomy. If there is a local club, I would suggest you visit and consider joining. As the clear cut worlds best eyepiece manufacturer, their name should at least be mentioned in an article like this. Any 1.25 eyepiece will work with the BH Zoom 2 adapter. (often referred to as Pseudo Masuyama). It will also make your life easier if youre out observing on windy days that would otherwise blow off the front cover of your telescope. You can build a full set of these with good results, but be aware of eye relief, especially if you wear glasses. Not all are Plossls, but excellent eps at f/10. Best eyepieces for telescopes 2023 | Space With a 130mm-F5 I would use a Plossl 32mm for its low-mag-wide-view. They are most useful in medium and longer focal lengths for terrestrial, planetary, and lunar viewing. What Is a Plossl Eyepiece - Planet Seekers Using your example: We will use a 100 mm telescope with a 600 mm focal length and Another way to look at it is that a 30 mm eyepiece in a 3X Barlow works like a 10 mm eyepiece.. Yes, Plossl eyepieces are some of the most popular with amateurs and professionals alike. A Plossl eyepiece is one of the most decent general-purpose eyepieces that are available on the market. I have seen some gatekeeping in this hobby about Kellners, and Im not sure I understand it. A Plossl eyepiece has a field of view thats very wide, so if youre looking at the full moon or some other object in space with it, chances are youll see the entire thing. 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. I generally use my 40 to search for DSOs so Ill probably replace that one at some point too. 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. It doesnt matter what type of telescope you have, as long as your scope takes these standard sizes. The views through it are very impressive, and it always amazes me when I get that one out. Best Telescope Eyepieces 2022 (TOP 7 Reviews) - Buyer's Guide In that respect, they are similar to the Explore Scientific 82 degree mentioned earlier. The original design for Plossl eyepieces has existed since 1860. I am looking for as much as best I can buy. 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. Theres a reason Plossls are usually kept at 52 degrees. Kellner vs Plossl - Comparison table. Are Plossl eyepieces good? All of the Omni eyepieces have a 1.25" barrel size with the exception of the super low power 56 mm, which has a barrel size of 2". This is perfect for a 25mm Plossl (an extremely common standard) and downright luxurious with a 32mm Plossl, but when you get below about 12.5mm or 10mm, it can begin to get difficult to use. If you stumble the first few uses, dont be discouraged. Another really helpful article, Ed. Celestron Telescope Eyepieces - CHUCKHAWKS.COM Some accept 2 and have an adapter that allows you to also use 1.25. https://telescopicwatch.com/?s=barlow, Best of luck with your new telescope. I often recommend the 2 in this series as excellent low-power wide view eyepieces, especially in scopes at focal ratios below F8. I am very near-sighted, barely see the big E on the vision chart without glasses. In simple terms, high focal ratio scopes, say those over F6, tend to be less demanding on eyepieces than those below F6. We may earn commissions by recommending products on this website. Correct image diagonals are easier for beginners and they are great for using the scope during the day, but experience people dont use them for astronomy. A common problem are eyepiece kits, which are big boxes that some telescope suppliers will sell you with half a dozen eyepieces, most of which include annoyingly short focal length Plossl eyepieces. https://www.amazon.com/Orion-8829-Wide-Field-Telescope-Eyepiece/dp/B000M89H7C/ref=sr_1_2?dchild=1&keywords=Orion+Q70&qid=1606584502&sr=8-2, The Explore Scientific 68 degree series would be better but at a much higher price. 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. And you don't even have to get the full set if you don't want to. Meade went back to the drawing board and they removed the fifth element, keeping the original Plossl design, however, they kept the Super Plossl brand and added some premium materials. Those that still come with Huygens and Ramsdens are generally cheap and low quality, since practically the only reason to use those designs in modern times is that they are extremely cheap to manufacture. If we combine a Barlow with an 8-24 mm zoom eyepiece, we have an amazing range. The Plossl design has become the mainstay of the modern ocular business and probably represents the best value in terms of performance and price, especially in medium and long focal lengths. Between $100 and $250, I will call it mid-range. 75-225X, 1.5X Barlow Many compare these favorably to eyepieces that are much higher priced. They provide a range of magnifications with one eyepiece. The view being presented to your eye in a low power eyepiece minimizes everything from optical aberrations in the telescope, to distortions from thermals or atmospheric conditions. 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. Plossl vs Kellner Eyepieces: The Ultimate Comparison If your scope uses eyepieces that are closer to 1, then you have an old style .965 that is now obsolete. Or is this overkill and am I better off saving money and going forward something like the Celestron Zoom? 8.8 = 240 = .34 If you are on a strict budget, this is a good choice as a zoom eyepiece. In this case, I am going to define this by the focuser and eyepiece size. Tele Vue offers several series with apparent fields of view from 50 degrees to 120 degrees. But those EPs mentioned were all great too! New and used eyepieces + 2 diagonals - Updated https://telescopicwatch.com/best-telescope-eyepieces/. Do you need a 10 mm planetary and a 10 mm DSO eyepiece? They are referring to how much or how little distortion is visible as you look from the center of the image out toward the edge. Even though the design has existed for more than a century, it has stood the test of and is still today the standard against which other eyepiece designs are measured. I have a variety of eyepieces, including Explore Scientific and Meade 82 degree series so I have choices. If your telescopes focal length is different, just change the focal length in the formula. These are the best in optical performance and build quality. Good quality plossl eyepieces - Discussions - Stargazers Lounge Take the AFOV of the eyepiece (provided by the mfg) in your case 82 degrees The telescope comes with a 2x Barlow so I was thinking of getting one of the zooms you recommended. 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. Again, it only costs $30 to $40 to find out, so the education is not that expensive. Celestron 1,25 pollici Omni Plossl telescopio astronomico britannico 32 As I discussed earlier, the zoom lets you explore your target over a wide range of magnifications without having to change eyepieces. For your application and the eyepieces you have or are going to get, you really dont need anything else. If we look at the range I provided above, we see that we could replace several eyepieces with one zoom. Depending on how fussy you are about having a completely clean image across the visual field, if you have a lower focal ratio scope you will want to look for eyepieces with a reputation for being better corrected in low focal ratio scopes. If you are investing for the future, get the BH zoom. In High School, they told me that F=MA In college I learned that F=dp/dt But F=MA works well enough for most situations and that is how I think of it. However, you may see them at higher prices for the short term. Glad you found it helpful. I usually recommend a 32 mm Plossl type eyepiece as that provides about the widest view you can achieve with a 1.25 focuser. So you would have to test the set to see the actual result. Save my name, email, and website in this browser for the next time I comment. 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. When I was getting my start in the hobby, I bought an ultra-cheap ($15?) Plossl vs Kellner Eyepieces: Which Is The Best? - The Big Bang Optics Meade 4000 Super Plossl - any good? - Discussions - Eyepieces 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! In the early days of telescopic astronomy, refractor telescopes were designed with a single lens at the front and a single lens at the back. If you were considering a Meade Super Plossl, in that case just get the regular one also by Meade. Kellner eyepieces use three glass elements in two groups to minimize color fringing. The reason a plano-convex lens is good for using with a telescope is that it provides for both magnifying and erecting the images. It also produces an erect image, meaning you see what youre viewing rather than seeing everything upside down or sideways as some types do. Eyepieces are a religion. What's the difference between two Plssl eyepieces? Here we focus on becoming a knowledge hub for astronomy and astrophotography enthusiasts. There are certainly much better options out there but at a significant cost. Omni 9mm Eyepiece - 1.25" Learn More. 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. 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. As is outstanding in the workmanship, a Plossl type eyepiece is a moderately wide field eyepiece involving two colorless doublets in which the crown components generally face each other. Many Kellners are made with field stops opened up to 50 degrees, in which case it can truly compare to a Plossl in any telescope with a focal ratio of f/6 or slower. The Plossl's are very easy to modify, allowing me to use the bino-viewer on, all my refracting telescopes without having to cut down the tube length, p.s. A Plossl eyepiece lens provides more eye relief than anything else out there! Plossls provide very good eye relief for eyeglass wearers in focal lengths of about 25mm and longer. But the longer FL units are certainly useful. Just give yourself some time to learn the app and to understand the scope. still, i somehow managed to avoid the eyepiece pitfalls when buying used off ebay. The 26 and 32 are usually the first ones I reach for. Another way to look at it is that a 30 mm eyepiece in a 3X Barlow works like a 10 mm eyepiece. The combination of high-quality optics and accessible prices have made them the favorite design for amateur astronomers and even professionals. Orion Sirius Plossl 10mm telescope eyepiece 1.25" $17.01 a Celestron 8-24 Zoom with a 2x Barlow Lenses are fully multi-coated for excellent light transmission and reduced internal reflections. Astro Essentials Super Plossl Eyepiece | First Light Optics By having a range of magnifications, you can optimize the image, which means you need more eyepieces. This is where the cheap eyepiece will frequently fail to deliver a good image, around the edges. I wont go into all the types of aberrations that can be there. EP-mm = magnification = afov Kellners tend to have narrower apparent fields of view (40 degrees rather than 50 or 52 degrees in a Plossl), and in short focal length telescopes (focal ratio f/5 or shorter) they can have more false color fringing, but for the most part it is hard to notice the difference between a well-made Kellner and a well-made Plossl in terms of image quality. I beleive this is the same as they ones you asked about. The Hyperions work well in SCTs and you can't beat that large eyelens and eye relief ,JMO. It comes with 1.25 Plossls 25mm (26x) and 10mm (66x) eyepieces. Each eyepiece gives you a unique magnification based on the formula listed at the start: Why do you need more than two eyepieces? How does that field of view impact the viewing experience? They have good center sharpness but exhibit some field curvature and astigmatism. Features : 5 superior-grade Plossl eyepieces: 1.25-in, 4-element design with a 52 AFOV (32mm has 44)4mm, 6mm, 9mm, 15mm, and 32mm . I just ordered Hyperion 13mm and 21mm but I really like how sharp and crisp view is in plossl 40mm. These will normally be higher priced and may be outside the price range we show here. At shorter focal lengths they have less eye relief, and at all focal lengths they have a narrower field of view, than newer types. The sharp/crisp view you get from your 40mm Plossl comes down to the relatively low magnification it provides. Eye relief of less than 10mm gets really uncomfortableyou tend to rub your eyepieces against the eyepiece or lens, and you have to hold your eye at just the right distance to keep from touching the lens. The BHZ 2 Adapter has threads on it so you can attach filters to it allowing you to use 2 filters with the zoom. I recently purchased the SVBony 7-21 zoom from Amazon. This determines how much light the telescope will gather. 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. For super Plossl eyepiece, the field of view is typically 40 to 60 degrees. When I started, I purchased less expensive eyepieces to learn about them and how I would use them. 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. This type of design also helps provide for eye relief; its a better experience if your eyes. I have an SCT and my eyepiece case only hasPlssls (and one Ortho) in it. I really like the simplicity and compactness of these simpler designs (ie: Plssls, Orthos, Kellners, etc). A 32mm Plssl is worth it. Some will offer longer eye relief which can be important to eyeglass wearers. A Barlow lens can save you money and add flexibility. A Kellner eyepiece has 1 double lens and 1 single lens. In some cases, an object is so large (i.e., the Moon, the Pleiades, the Orion Nebula, the Andromeda Galaxy) that a narrow field of view can only show you part of the object, whereas a wider field of view could show the whole object at the same magnification. Ive read reviews about my scope. . Suggesting an F6 scope becomes an F18 would also imply things like reduced CA in a refractor. I do not miss beating my eyelashes against a 9.7mm Meade Plossl that I used to own. Below 20 however, the eye relief makes it difficult for me and my glasses so Ive been replacing my 5-15 EPs with 82 degree EPs with more relief. Newer multi-coatings are better, I suppose, but newer does not always mean better in the ocular game. It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. The difference in TFOV will be significant at this focal length. I also have a 25mm plossl and am happy with that. Where a difference can show up is that a lower number focal ratio scope will make it harder for an eyepiece to provide a uniformly good, in-focus image all the way across the field of view due to the steeper angle that the light arrives at the edges of the eyepiece with a low focal ratio scope, as compared to a high focal ratio scope. I found an ES 70 degree AFOV 35mm eyepiece and am wondering whether I should get this or the Orion 38 70. 10mm Orion Sirius Plossl Telescope Eyepiece | Orion Telescopes It all comes down to cost-benefit. The Plossl is a good all-around eyepiece design, is well suited for generic use and is relatively inexpensive to make. Best Telescope Eyepieces For Viewing Planets [Top 8 Picks For None of my fancy EPs have enough contrast for this application. (Svbonys Plossls, for example, are optically identical to Orions Sirius Plossls). Eyepieces under $100 each are generally considered budget or low-cost eyepieces. The ES 82s are my favorite eyepieces, especially in the 1.25 format. That can only be shown through actual testing. The category is over $300 and some of these are way over $300. The computerized pad and motor work on AA batteries which can last you a few hours. A wide range of focal lengths are available, all in 1.25-inch size. These are the workhorse eyepieces of today. I have just one Meade product currently and that is a series 4000 1.25 inch UHC type filter which I use for outreach. Let us know in the comments if there is anything else you want to ask or share your thoughts on this post, always looking forward to feedback from others who will benefit from it as well! On the inside, they are exactly the same design. Recall that your lowestpower eyepiece's exit pupil should not exceed 6mm. With modern multi-coated optics that thwart internal reflections, Plossls and Kellners have little difference in glare or transmission/opacity. In our example, we targeted 200X as the top magnification. A decent barlow might cost as much or even more. You have to decide how fussy you are about the edges and what your budget can tolerate. I also really liked my E-Lux 32mm, a Kellner. Prices can run from $20 to $200 so the field is pretty broad. The price ranges we show here are the typical prices. Conclusion. Every new skill takes time. Some optics brands have taken the next step and launched some eyepieces they have labeled as Super Plossl. Most people will be fairly comfortable with eye relief of 12 mm or higher. Read our full affiliate disclosure here. However, i can read very well without my glasses with almost microscopic vision and can use my binoculars without glasses. Free shipping for many products! These eyepieces have about 35 to 50 degrees apparent fields of view and reasonable eye relief, though quite short for high magnifications. I dont dabble in AP. You really understood the material. Thanks all. We are a reader-supported organization. In the next section, we will talk about the AFOV of an eyepiece. There are some very good choices in this range. I often recommend a 32 mm Plossl as a good low power wide view eyepiece for scopes with a 1.25 focuser. These lenses are connected together. Kellner eyepieces were first designed by Carl Kellner in 1849. Then you can judge for yourself if it is worth it. My friend has one and he really likes it, and it is his third telescope. In the 1990s Meade instruments came up with a new design for the Meade 4000 line similar to Plossl that added a fifth glass element on top of the two pairs (4 total). Since there are so many different types of eyepieces available on the market, choosing the right one for your situation can prove to be a harrowing task. Question: would it perform well with 1.5/2x and 3x Barlows? You noted eye relief is important for those wearing glasses. They are a good brand with high-quality eyepieces, you just dont need to spend the extra money for almost no gain in performance. These sizes have become the industrys standard sizes. You mentioned regarding ORTHO eyepieces: Excellent specialty eyepieces, usually for planets. Looking from different sorts I found the Baader Aspheric 31mm and 36mm.these two eyepieces allow me to switch between 2" and 1.25"just by changing the barrel. . (Compare, for instance, 20mm of each type, or 10mm of each type.) Excellent, thank you for the breakdown, very much appreciated. So its best for use during duller times when there isnt much brightness visible. Read the full Earning Disclosure here. What Does It Do. With regards to budget, whatever works well and is on par with the quality & capability of the telescope. Or take one of your eyepieces and measure across the bottom of the barrel. A 32mm plossl eyepiece and a 2x barlow lens should be enough to give you a good range of eyepieces for every use case. There is no shortage of accessories for the Nexstar series. SVBONY Eyepiece Review: Take Your Stargazing Up a Notch 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. I agree with your comment on zooms for kids. Was compairing the Apertura standard 15mm Plossl with their 15mm super wide angle eyepiece (70 afov). Let's talk Barlows for idiots - Eyepieces - Cloudy Nights But just because an eyepiece is 2 doesnt mean it has a wider field of view than one that is 1.25. Plossl eyepieces have a wide FOV and are known for their clarity and sharpness. Achromatic vs Apochromatic refracting telescopes. Note that the full moon appears to be approximately .5 degrees across, so use that as a mental reference when looking at the numbers. 130 mm scope will have a max of 260X for planning purposes. Youd have to look into more complex designs which include a barlow lens, or simply use a longer focal length eyepiece with a quality barlow. If you were considering a Super Plossl made by an entry-level brand, just use those extra funds to instead get a regular Plossl made by a more reputable manufacturer. Most telescopes come with one or two eyepieces, which gives you one or two magnification options. Lower power almost always looks better than higher power. > Click here to jump to the Best Eyepieces section. Learn more about our story and the team behind the scene. 20 = 90 = .8 Generally, dont mess around with solar projection unless youre okay with damaging the instrument. The 4000 SWA's were way overpriced for their performance IMHO. Choosing the most appropriate can completely change your experience in using telescopes. very happy. Note that the Explore Scientific 68 and 82 degree eyepieces are also available in 2 size for your low power wide view requirements. I had a newer - purchased in 2016 Meade 32mm (white lettering) that was no better than the older 32mm 4000. Choose three focal lengths. Are Plossl eyepieces any good? - KnowledgeBurrow.com But are they really? 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. I like my 38/70. If you are buying your first telescope, and you are choosing between the telescope that includes a Kellner or a telescope that comes with a Plossl, with all the other specs being similar, pick the telescope thats offering you the Plossl, even if its slightly more expensive. Also work very well with my binoculars that have removable focal reducers built into. They are also really sharp. What happens if you use an eyepiece that has a the wrong exit pupil? Very worth it for me, as I like to use bino-viewers. 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 dont know if they make anything like this anymore, but as a kid, I had plastic slides with images on them (the Milky Way, Horse Head Nebula, etc.) Over time, you may wish to add a specialty eyepiece here or there, but I would not make that a priority until you have filled out your magnification range. The 5-lens-element pseudo-Masuyamas that telesonic mentioned are/were fine eyepieces. Ive added comments on where you may find and use them. This gives us more flexibility at the low end of the magnification range. Eyepiece Field of View Simulator astronomy.tools Field of View Simulator Change Telescope Reset Change Target Add Equipment Is it just about finding and framing, or do wide fov EPs create a more immersive experience? And remember, when all else fails, read the instructions. If you upgrade the telescope or add a second one, the eyepieces will work on that telescope too. Meade telescope maksutov eyepiece ETX-105EC Super Plossl 6.4mm 1.25" w That is up to you and your budget. However, I have eyepieces that have larger exit pupils than 7 mm and they work well. Plossl telescope eyepieces are the most popular type of eyepiece on the market. I started with the Celestron zoom. For it's cost, a 32mm Plssl eyepiece is hard to beat. 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. So perhaps you do your line up like this. The Plossl eyepiece is a type of optical system that was invented by Ernst Abbe. I agree. I am going to use 6. You use the 8-24 zoom for the midrange. As we go along, I will refer back to these, so dont worry if you cant answer the questions or understand the formulas now. Once I knew how much I liked the zoom I upgraded to the Baader Hyperion Zoom. Plossl eyepiece is good for astronomy and microscopy. Thanks. That is a really interesting picture. A Barlow lens is an optical device that goes between the eyepiece and the focuser. They have decent eye relief and little curvature of field. A Kellner eyepiece has 3 lenses, while a Plossl has 4. No, adapters are not needed but they may come in handy when you want to change the focal length or add other lenses such as filters or Barlow lenses. If that surface is wobbly the scope will be almost useless. That is why I suggest, if you can use 2 eyepieces, you will want one or two low power wide view 2 eyepieces. In my opinion, you do not. These come in focal lengths from 2.3 mm to 25 mm. Look those up, seeing and transparency in the context of astronomy. Eye Relief: This refers to how close your eye has to be to the lens in order to see the full field of view. Here we get into the BMW, Cadillac, Porsche, and Ferrari of eyepieces. As a result, this can cause aberrations in the image as you move from the center of the view toward the edges.

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