are plossl eyepieces good

Are Plossl eyepieces good? It is as simple as that. The Orthoscopic Plossl eyepiece is for those who are interested in performing close-up work on specimens up to three inches away from them and still get high magnification. https://telescopicwatch.com/best-astrophotography-telescopes/. So its best for use during duller times when there isnt much brightness visible. They have good center sharpness but exhibit some field curvature and astigmatism. Now we just divide it up and fill in some sample focal lengths. Each eyepiece gives you a unique magnification based on the formula listed at the start: Why do you need more than two eyepieces? Today, most beginner telescopes of any quality are sold with either Kellner or Plossl eyepieces. 30 = 60 = 1.3 The image quality is very good and the additional field of view and longer eye relief makes them very comfortable to use. The BH zoom is optically a 1.25 eyepiece. I had one and sold it. By having a range of magnifications, you can optimize the image, which means you need more eyepieces. This is a good thing, because normally the shorter the focal length of the eyepiece, the less eye relief you have. 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. Their 50 to 52 degree AFOV is wide enough for general observing. Hayppy that now I have more facts to put in my decision. This can be especially helpful in telescopes of focal ratios below F8. This design has some advantages over other designs, such as the Kellner eyepiece or Orthoscopic eyepieces. 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 . The Wiki article(s) were very good if anyone else is confused. They are usable, but your eye will be extremely close to the top lens glass. That is up to you and your budget. In the world of eyepieces, when you want the very best, turn to Tele Vue, but be prepared to pay a truly premium price. Put the zoom on the Barlow for the high range. Celestron 2026 Erecting Prism Barlow Lens Set is another great choice for those looking to get a variety of magnifications. If we want to get VERY specific to a combination then inherent aberrations of this scope and that eyepiece could produce a unique result. I already got the 10mm super wide because of the added eye relief but at 15mm both have the same eye relief. A Barlow lens can save you money and add flexibility. They have a 50-56 degrees field of view, better eye relief, and cost more than Kellners. See if you will observe with or without your glasses. 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 have four telescopes, but I use the same eyepieces in all of them. Warranty Limited Warranty against defects in materials or workmanship for one year from date of purchase. Your email address will not be published. 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. But some people demand the very best, and it is available, at a price. They are not that expensive I would pay about $100 for both eye pieces. Save my name, email, and website in this browser for the next time I comment. Generally, dont mess around with solar projection unless youre okay with damaging the instrument. The magnification and field of view is the same as a 10 mm eyepiece (AFoV being unchanged) in a 600 mm telescope but the eye relief is that of a 30 mm eyepiece. There is no shortage of accessories for the Nexstar series. There is no problem using a Celestron eyepiece in a Meade telescope, for example. 11 = 163 = .5 Eye Relief: This refers to how close your eye has to be to the lens in order to see the full field of view. Ive read reviews about my scope. 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 do not have your Hyperions yet I recommend you wait until you have these and try them out before you buy the Plossls. The 4000 SWA's were way overpriced for their performance IMHO. 100-300X, 2X Barlow. 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. Plossl against Kellner eyepieces in a previous article, 5 Budget Telescopes That Are Sneakily Powerful. Quality this good usually costs a lot more. or a Baader Classic Ortho 18mm with both a 1.5/2x Barlow and 3x Barlow. 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. 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. Here we have very good eyepieces with some extra features. Wide view and well-corrected view, even in F5 scopes. So save yourself this future unnecessary expense and just buy a Plossl. If you are just testing the waters or on a tight budget, get the Celestron, which is still pretty good. Understanding and using a Barlow Lens I agree with your comment on zooms for kids. I havent been into the hobby for long but my experience is in line with whats been said. You have a very wide choice of brands and styles to choose from. 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. I have an SCT and my eyepiece case only hasPlssls (and one Ortho) in it. If you are very demanding and must have the very best, this is where you want to be. 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. 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! I still use my 30mm Celestron Ultima fairly often with some of my telescopes. Suggesting an F6 scope becomes an F18 would also imply things like reduced CA in a refractor. If you are investing for the future, get the BH zoom. They work great every day and get you where you want to go, but dont have what the higher priced models have. The computerized pad and motor work on AA batteries which can last you a few hours. They can be recognized by a thin gold line just below the eye cup. Also, as the apparent field of view gets wider, the image will require more correction. I think Id really enjoy a zoom for all the reasons you mention, But Im having a difficult time assessing how much weight to put on the field of view of given eyepieces. Plossls provide very good eye relief for eyeglass wearers in focal lengths of about 25mm and longer. A wide-angle view of 66 degrees makes it perfect for viewing large objects and even entire constellations while still being able to focus on smaller details with ease. SVBONY Direct . It sounds cool, they must be better than regular Plossls with that name, right? Focus on the magnifications rather than the mm of the eyepieces. Another really helpful article, Ed. Buy Astromania 1.25" 4mm Plossl Telescope Eyepiece - 4-Element Plossl Design . In our example, we targeted 200X as the top magnification. But the longer FL units are certainly useful. 14 = 128 = .6 Very worth it for me, as I like to use bino-viewers. If we look at the range I provided above, we see that we could replace several eyepieces with one zoom. As said, they are cheap to compare. NEW. Theres a reason Plossls are usually kept at 52 degrees. These are the best in optical performance and build quality. But what are the other differences? They have decent eye relief and little curvature of field. Plssl's were top of the line at one time, and are still being sold today, so that says something too. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. Thank you so much for taking the time to provide all this information! They have a 60deg apparent field, long eye relief, adjustable eye shield and extremely well corrected. That's hard to beat IMO. 8.8 = 240 = .34 We have a range of 32 mm to 3 mm. The Astrovid 40X60mm Zoom Telescope Camera Lens Kit is a great choice for those looking to get a variety of lenses, at different magnifications. This is not a hard and fast rule, just a cautionary note. The only one not in the article is the Orion Q70 which is available in 38 mm, 32 mm and 26 mm. At that price point, it couldnt compete with other 5-element devices like Erfle and Nagler eyepieces that had better performance. https://telescopicwatch.com/best-telescope-eyepieces/. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Stargazing Help came into existence when some young minds got mesmerized by outer space while camping. But will the Baader CO with 1.5-2-3x Barlows deliver a visibly sharper and more contrast view of the Moon and planets than the zoom lens with a 2x Barlow, to compensate for the zooms convenience that is the question! Plossls tend to come with large, ground-standing Dobsonians, whereas youre more likely to find a Kellner sold with a tabletop Dobsonian. With a 8" dobsonian, a 6mm is very versatile. 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. If you look up transparency and seeing in the context of telescopes you can learn more about how atmospheric conditions will affect what magnifications you will choose on any given night. By the 1980s, amateur astronomy equipment suppliers were still selling new telescopes with Huygens and Ramsden eyepieces, not merely because they were cheap but because they lacked internal reflections. Kellners are often sold with cheaper, even more entry-level telescopes than Plossls. I have owned wider eyepieces, but ultimately I just prefer the Plssls (must be a mental defect). In some cases, the eyepieces are waterproof to protect them from internal contamination caused by heavy dew conditions. Note that we also gained a 16 mm magnification at no additional cost. If you had to choose 1 low-power 2 EP for chasing deep sky objects (again, at 600mm f7.5), what size piece would you go for? Comparing to Plossl, the Expanse eyepiece is a lot more expensive. They offer a 52-degree apparent field with clean, high-contrast images. For example, if you put a 30 mm eyepiece in a 3X Barlow, it will triple the magnification you get from that eyepiece. You alluded to them, but you never mentioned Tele Vue. However, Orion has managed to make one that is quite compatible with most styles of telescope. Note to spectacle wearers: Plssl eyepieces with 15mm and longer focal lengths are good choices for spectacle wearers. I usually recommend a 32 mm Plossl type eyepiece as that provides about the widest view you can achieve with a 1.25 focuser. None of my fancy EPs have enough contrast for this application. If you were considering a Meade Super Plossl, in that case just get the regular one also by Meade. Type above and press Enter to search. 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. Kellners are the other popular design for amateur stargazing, go ahead and check out that article if you want to dive deeper into the subject. To achieve six magnifications, you can have six eyepieces. Very nice article. My other eyepieces, ES and Meade 82 degree, stayed in the eyepiece case most of the time. Brilliant article and I thank you for it, I was literally really confused prior to reading it. The longer FL Plossls (>15mm) have some distinct advantages over more complex designs without the major disadvantage of Plossls which is short ER. A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. 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! Better edge correction with a short-focus telescope is one of the things you pay extra money for, and sophisticated eyepiece designs have as many as eight elements. No other type can compare with it when it comes to that quality. Finally, the worldwide pandemic has led to shortages and price jumps on many items. Your email address will not be published. Every review suggests replacing the 10mm Kellner eyepiece (and possibly 25mm Kellner) that comes with it. The combination of high-quality optics and accessible prices have made them the favorite design for amateur astronomers and even professionals. And the zoom provides every magnification in that range without having to change eyepieces. Generally, Plssl eyepieces are best suited to Newtonian and fast telescopes. I hear that, sometimes you find one that is sweeter than others. The original design for Plossl eyepieces has existed since 1860. Hello sir, thanks for your article its realy helpful. The Big Bang Optics is compensated for referring traffic and business to these companies. However, because they have more glass elements than other designs, like Kellners, their manufacturing becomes extremely important to get high-quality optics. Then set your maximum based on your aperture and split it up. Between $100 and $250, I will call it mid-range. Perhaps you have read about planetary eyepieces, DSO eyepieces, and other types of specific eyepieces. 2019-2023 Little Astronomy. Do you have any additional comments to help me? Many thanks, Sophie. But with 2 eyepieces and a Barlow, you have the full effective range of your telescope. But you may only be able to achieve that rarely. This means you will be able to see a greater expanse for the objects in space but with fewer magnification levels than Kellner or Plossl lenses. Even though there are more sophisticated types of EPs, Plossls hit the right spot between high-quality optics and price. 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. You can add the specialty single FL eyepieces later if you wish. 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. 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. I have seen some gatekeeping in this hobby about Kellners, and Im not sure I understand it. I beleive this is the same as they ones you asked about. I think you will love it! Plossl eyepiece is one of the reasonable options when it comes to telescope eyepieces for stargazing or astronomy. The BHZ in a 2X Barlow will take an XT8 to 300X. Gosky Plossl 40 mm Telescope Eyepiece - 1.25inch This is probably the worst eyepiece I can recommend.

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