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). However, some lateral color error is apparent when looking at bright subjects, such as Jupiter or Venus, against a dark sky. Both solutions offer somewhat similar mag-fov-er-price. 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. Some accept 2 and have an adapter that allows you to also use 1.25. The three-lens eyepiece that came out of this was much better at controlling false color fringing and other distortions, even in telescopes with short focal lengths. Because the eyepiece was still similar enough to a Plossl and still kept the symmetrical design, they called it Super Plossl. 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! Since it's such a popular eyepiece and allows for quality, planet-viewing, that makes it a great instrument for attracting newcomers to the hobby, especially children. Lenses are fully multi-coated for excellent light transmission and reduced internal reflections. The field of view of a p Plossl eyepiece is typically 60 to 120 degrees. If you are on a strict budget, this is a good choice as a zoom eyepiece. Achromatic vs Apochromatic refracting telescopes. Not only is it good to share the experience but you can get first-hand advice on things like diagonals and may even be able to try one in your scope to see if it makes a difference. People may have heard, and rightly so, that Huygens or Ramsdens are crummy eyepieces and that they should get a Plossl instead, and they may believe the same applies to Kellners, but the truth is that Kellners are often good eyepieces. What Is A Barlow Lens For A Telescope? However, you may see them at higher prices for the short term. They are most useful in medium and longer focal lengths for terrestrial, planetary, and lunar viewing. In this article, were going to talk about what is a Plossl eyepiece, what are its components, how do they work, how many types are there and how youd buy a good Plossl eyepiece. They deliver sharp images in almost all telescopes. You probably dont need to worry about upgrading them as soon as you get your telescope, unless you can see an optical problem in the one youre using or you find the short eye relief for the short-focus eyepiece uncomfortable. Buy Astromania 1.25" 4mm Plossl Telescope Eyepiece - 4-Element Plossl Design . In 1860, Georg Simon Plossl invented the Plossl eyepiece. You can build a full set of these with good results, but be aware of eye relief, especially if you wear glasses. I once had to use a 6mm Plossl to attempt to perform a star-test collimation for a telescope at the observatory. I often had to drop back to about 180X because of poor seeing and transparency. 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. Combining a cheap eyepiece with a cheap barlow isn't a elegant solution. 75-225X, 1.5X Barlow I also really liked my E-Lux 32mm, a Kellner. I want to help you select the best eyepieces for your budget and your telescope. https://telescopicwatch.com/best-barlow-lens-and-how-to/, Celestron 8-24 Zoom Review If you cant use 2, that 32 mm Plossl, which has a 50 degree AFOV, will give you about as wide a field of view as you can get in a 1.25 eyepiece. With modern multi-coated optics that thwart internal reflections, Plossls and Kellners have little difference in glare or transmission/opacity. 2. Orion 12 mm Sirius Super Wide Angle Correct Image Eyepiece has a rubber eyecup that holds in light, which enables you to enjoy this powerful telescope eyepiece at night without glare or reflections from any external sources. The magnification range that is appropriate to your scope. Plossl eyepieces are very good and fairly inexpensive, typically between $25 and $50 each. Required fields are marked *. Yes, Plossl eyepieces are some of the most popular with amateurs and professionals alike. In the case of the Celestron, you get all the focal lengths from 24 to 8mm in one eyepiece that costs $100. My Barlow is a 2X with a removeable Barlow element that can be screwed right onto an eyepiece giving a 1.5X effect. At this point, a Plossl and a Kellner are so close in price and performance that you may as well get the Plossl. 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. How Good Are Super Plossl Eyepieces for Astronomy? A 10mm or shorter Plssl is probably not worth it unless you want to see how you personally cope with short eye relief. Gold Line eyepieces also offer better eye relief than Plossl eyepieces, especially at the shorter focal lengths. Not really. If you are just testing the waters or on a tight budget, get the Celestron, which is still pretty good. Suggesting an F6 scope becomes an F18 would also imply things like reduced CA in a refractor. The more light that is gathered, the more magnification that can be applied to the image, up to the limits that are imposed by the atmosphere. Perhaps you should seek out help from your local astronomy club. Worth is a subjective evaluation, so here is my subjective input: 1. Many compare these favorably to eyepieces that are much higher priced. If your telescopes focal length is different, just change the focal length in the formula. I really like the simplicity and compactness of these simpler designs (ie: Plssls, Orthos, Kellners, etc). These are considered to be the least expensive eyepieces for serious astronomy and are offered in focal lengths from about 6mm to 40mm. I just added the 4.7 mm. 6mm Kellner eyepiece that I enjoyed a lot. 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. However, for your extra money you get the finest manufacture, the best polish and coatings available. This doublet design has an apparent field of view of 50-degrees or wider but can suffer from short eye relief making them difficult to use for some . Plossl telescope eyepieces are the most popular type of eyepiece on the market. If you stumble the first few uses, dont be discouraged. Plossl eyepieces are great. Again, does it create a more immersive viewing experience? NEW. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our team of experts has reviewed and ranked 180+ telescopes based on price and quality. I agree. 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. I can recommend these with confidence. 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. Personally I think they're still worth it. Why two sizes? The only one not in the article is the Orion Q70 which is available in 38 mm, 32 mm and 26 mm. Also, as the apparent field of view gets wider, the image will require more correction. 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. You can email me also. I was looking on a OPT website and they have celestron 32mm and 15mm plossl. 1.25" 6.3mm 32mm 40mm Plossl eyepiece set give you a good variation in magnification for a wide range of targets with extra sharpness and long eye relief. Videos for related products. I was just wondering if plossls are still worth it or should get a better eyepiece in a 30mm range. All registered. This type of eyepiece provides you with wide-field views without any distortion due to its use as an achromatic lens system which reduces chromatic aberrations by combining two lenses made from different types of glass materials together on each surface. I found an ES 70 degree AFOV 35mm eyepiece and am wondering whether I should get this or the Orion 38 70. I dont have a specific diagonal to recommend and I am not aware of any specific issues with the one that is included with the scope. Theres a reason Plossls are usually kept at 52 degrees. Here we have very good eyepieces with some extra features. All the rest will likely be 1.25. I often recommend the use of a barlow to achieve the higher range of magnifications. A standard Plossl eyepiece is typically between 20mm to 25mm but can range anywhere from 15mm up to about 40mm in diameter. Plossls provide very good eye relief for eyeglass wearers in focal lengths of about 25mm and longer. At one time Plssls were premium eyepieces. I dont think so. However, your budget must guide your purchases. By having a range of magnifications, you can optimize the image, which means you need more eyepieces. Other than the limited AFOV, which you are apparently fine with, and limited eye relief in the shorter focal lengths there is certainly no reason not to choose Plssls. Explore Scientific recently extended this offering by adding a series of 82 degree eyepieces labeled LER, or Long Eye Relief. Ideally, you want a minimum of three eyepieces for (1) low power (2) peak visual acuity and (3) high-power viewing. If you just want eyepiece recommendations and dont care about the details, Im adding that section right below before we go into the specifications that answer the above questions and make use of the formulas. Can you help me. This may be enough for many eyeglass wearers. Or, you may find that you like the 8 mm and 6 mm used with the Barlow and can avoid the expense of two eyepieces. dnrmilspec is right. This can be very helpful for star hopping. I use some plssl eyepieces, since I still have quite a few in my kit, and yes, the others are correct. the shorter the focal length eyepiece = the shorter the eye relief. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. The result in magnification is the same and the eye relief associated with the eyepiece is retained or, in some cases, actually lengthened a bit. Explore Scientific 68 34 mm or ES 82 30 mm would also be good choices at a significantly higher price but with better edge correction. I beleive this is the same as they ones you asked about. This wider field of view will make it easier to find your targets, allow you to view larger deep-sky objects, and provide a more immersive experience for everything that you view. You mentioned regarding ORTHO eyepieces: Excellent specialty eyepieces, usually for planets. A Barlow lens can save you money and add flexibility. For me personally, even though I don't use glasses to observe, I still don't want to dig out the view through a plossl or ortho eyepiece which tend to have short eye relief. With regards to budget, whatever works well and is on par with the quality & capability of the telescope. There are inexpensive adapters that will let you use standard 1.25 eyepieces in a .965 focuser/diagonal. For super Plossl eyepiece, the field of view is typically 40 to 60 degrees. Non-eyeglass wearers can usually tolerate Plossls as short as about 10-12mm before their eyelashes start brushing the ocular lens. You have to decide how fussy you are about the edges and what your budget can tolerate. Tele Vue has eyepieces that approach $1000. This can be especially helpful in telescopes of focal ratios below F8. Hi Ed, that is really helpful sorry if this is a daft question but is the baader hyperion 2 or 1.25 or can it be both? Second? The image will be reversed left to right so you will need to get used to that. You have a very wide choice of brands and styles to choose from. The bottom line is that it is best to have several magnification choices so you can optimize the view. High-quality Plssl eyepieces provide high contrast and sharpness across the entire field of view. 50 150X, no Barlow Eye relief is the distance from the eye lens to your eyeball, and the higher the better (within reason). The Expanse is a lens that provides an extra sharp image, and it also has a wider field of view compared to the Plossl eyepiece. Plossl eyepieces have a wider field of view that can go from 50 to 56 degrees. 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 . It includes two high-magnification Plossl eyepieces and five lower magnification zoom oculars with an adjustable focus in the kit. The computerized pad and motor work on AA batteries which can last you a few hours. Was compairing the Apertura standard 15mm Plossl with their 15mm super wide angle eyepiece (70 afov). This is why we recommend you try to locate the object first at low power, then use a higher magnification if you likethe wider field of view on the sky provides more context in terms of asterisms and reference stars and makes it more likely that youll catch the object you are looking for. Offering a wide 52 apparent field of view, these 10mm, 17mm, and 25mm Orion Sirius Plossl Telescope Eyepieces provide extremely sharp images of impressively high contrast. 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. Kellner eyepieces work perfectly with small and medium-sized telescopes. However, I have eyepieces with much smaller exit pupils and they work fine. In addition, the eyepiece would be a Huygens or Ramsden design, where two lenses made of the same type of glass could be combined to yield minimal false color fringing, as long as the focal length of the telescope remained fairly long. 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. One of the main drawbacks of this eyepiece, though, is the eye relief. 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: Very often, those eyepieces will be in the outdated 0.965 format rather than the modern 1.25 or 2 diameter barrel format. In my opinion, there are no wrong exit pupils. Meanwhile, Plossl eyepieces are much more common and easy to find. As you learn more about astronomy and you gain more experience with time, you may want to move to Plossls or even higher-quality eyepieces. Do you have any additional comments to help me? I have seen elsewhere discussions about the exit pupil of eyepieces. I hear that, sometimes you find one that is sweeter than others. Well-made lenses are expensive though, so in general the more lenses, the higher the price of the eyepiece. Whether it is cars or telescope eyepieces, there are inexpensive ones, upgraded models, and very expensive ones. https://telescopicwatch.com/celestron-8-24mm-zoom-eyepiece-review/. Being a total novice, I love the StarSense app and technology. The components of a Plossl eyepiece are the two groups of lenses. Or, you can have three properly sized eyepieces and use a Barlow lens to achieve three more magnifications, which is usually a less expensive way to go. 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. Jupiter and Saturn are low in the sky now. Most modern telescopes use a focuser, or diagonal, that accepts 1.25 eyepieces. I have used these in my F6 and F5 Dobs and find them a good value for the price. 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. Poorly chosen eyepiece might give you poor experience and sometimes even make stargazing difficult. Modified vs Unmodified DSLR Astrophotography: The Ultimate Showdown! If you plan to go longer than that you can get an AC adapter or a power tank. The category is over $300 and some of these are way over $300. (Svbonys Plossls, for example, are optically identical to Orions Sirius Plossls). With a refractor, SCT or MCT, it is usually better to get a correct image diagonal than a correcting eyepiece. These companies rebranded them under their own names. These eyepieces have about 35 to 50 degrees apparent fields of view and reasonable eye relief, though quite short for high magnifications. Plossls are extremely versatile and can be used for all use cases. A 20mm Plssl is probably worth it, if for no other reason than to compare the views it gives to the 21mm Hyperion you have. I am very near-sighted, barely see the big E on the vision chart without glasses. Look at the apparent field of view specs and understand what this means for the field of view. Higher values are slower and lower values are fasterthis is a holdover from camera lens terminology and has to do with exposure times.). They are not that expensive I would pay about $100 for both eye pieces. 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. For your application and the eyepieces you have or are going to get, you really dont need anything else. https://telescopicwatch.com/best-telescope-mounts-for-astrophotography/, Then you look at the optical tubes. Would a higher magnification eyepiece help do you think or am I already pushing my telescope (XT8) to highest sensible magnification I can with BH zoom on setting 8mm and 2x Barlow? 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. Despite this, I also have some Plossls which are indispensable. Once I knew how much I liked the zoom I upgraded to the Baader Hyperion Zoom. They are also really sharp. Why not go back to the people who sold you the scope and get their help. Orion Sirius Plossl eyepieces are ideal for any type of telescope; refractor, reflector, or catadioptic. That's hard to beat IMO. A Plossl eyepiece is one of the most decent general-purpose eyepieces that are available on the market. The Plossl optical design is very good for long and medium focal length eyepieces, delivering a sharp, flat field and an apochromatic image. Now we can establish a target magnification range. 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. However, I have eyepieces that have larger exit pupils than 7 mm and they work well. If you want to buy him $200 eyepieces so he can grow into them, that works. We may earn commissions by recommending products on this website. As to a more immersive experience, yes, I would say a wider FOV does provide a more immersive experience.
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