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. Most of Celestrons entry-level telescopes are sold with Kellners (and other cheap but reasonable-quality designs like RKEs or Konigs), whereas their more expensive SCTs tend to come with a single 25mm Plossl. Theres a reason Plossls are usually kept at 52 degrees. There are some very good choices in this range. Even if we were next-door neighbors this would take weeks of discussion and planning. These lenses are connected together. When I was getting my start in the hobby, I bought an ultra-cheap ($15?) I decided to jump in with both feet and get an Orion ED80 (600mm f7.5 with a 2 focuser, So that I can move into astrophotography down the road. The Baader offers wider fov, but at quite the price premium. Are there any good low-cost 2 EPS out there? And certainly, if you are getting into AP you are going to need that big budget. There are so many others at comparable or higher prices, many of which are quite good and some rather poor. Eyepieces under $100 each are generally considered budget or low-cost eyepieces. These will normally be higher priced and may be outside the price range we show here. Your eyepieces do not need to be the same brand as your telescope. The 5-lens-element pseudo-Masuyamas that telesonic mentioned are/were fine eyepieces. Achromatic vs Apochromatic refracting telescopes. And of course, NEVER look through a telescope pointed at the sun that does not have a safe solar filter covering the front. You mentioned regarding ORTHO eyepieces: Excellent specialty eyepieces, usually for planets. Fully coated optics provide crisp and bright views of the cosmos. 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. As to a more immersive experience, yes, I would say a wider FOV does provide a more immersive experience. Some include: Parks Gold Series, Celestron Ultima's, Meade Series 4000 Super Plssls (depending on year / origin / style) and a few others that I don't remember. 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. Note that we also gained a 16 mm magnification at no additional cost. And I am a visually observing focused person. No surprise there. 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. I've got a one-off plossl like that in my kit that I'll probably never sell, (aside from my 5 element ones) and it's one that is rarely seen. My 20, 26, and 32mm Plossls will probably stay around. Suggesting an F6 scope becomes an F18 would also imply things like reduced CA in a refractor. Understanding and using a Barlow Lens You are talking about the technical details of how a Barlow works, and I agree. Kellner eyepieces work perfectly with small and medium-sized telescopes. Excellent article, thank you very much for taking the time to publish it. Do you think the Baader Hyperion Zoom would work OK with the Skywatcher 150p? If you are looking at eyepieces that are wider than 55 degrees AFOV, you will again need to consider looking at the better corrected, and typically more expensive, eyepieces. Thank you so much for taking the time to provide all this information! If we want to get VERY specific to a combination then inherent aberrations of this scope and that eyepiece could produce a unique result. 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. I already got the 10mm super wide because of the added eye relief but at 15mm both have the same eye relief. You will get varying opinions on this but I would not worry too much about this. 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. If you read the article you know how to calculate the magnification and field of view. I have used these in my F6 and F5 Dobs and find them a good value for the price. Are Plossl eyepieces good? If you just want a quick answer, skip to the conclusion at the end of the article. How important a consideration is this when deciding on an eyepiece? Also, children do not often have highly developed motor skillsso I would avoid the frustration of switching out eyepieces, and consider a zoom lens. I expect such eyepieces are available but I have never seen or used one. To estimate the highest practical magnification for your telescope, you take the aperture in millimeters, mm, and multiply it by two. PayPal, cash, bank transfer are all acceptable. If you are going to wear your glasses when you observe, you want at least 18 mm of eye relief and 20 mm is better. There is no problem using a Celestron eyepiece in a Meade telescope, for example. 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 . Conclusion. I have had a good experience with the SVBony brand and the Agena Astro brand. 600 mm / 200X = 3 mm This will be the focal length of our highest power eyepiece. Most telescopes come with one or two eyepieces, which gives you one or two magnification options. But what are the differences between these two and how do you know which one to choose? I think some of these kits even include 4mm eyepieces, and thats ridiculous! Omni 12mm Eyepiece - 1.25" Learn More. They provide a range of magnifications with one eyepiece. Nothing will stop you from trying to go higher, but in all likelihood, the image will be poor and not worth the cost of eyepieces to achieve it. Do I need an adapter if my scope has a Plossl lens? Newer multi-coatings are better, I suppose, but newer does not always mean better in the ocular game. Many approach the quality of the premium brands. Orion Q70 38 mm works well. Well, I'll just say it. They also improve a bit when it comes to eye relief. Plossl eyepieces have an eye relief equal to about 80% of their focal length. If you do choose to go with a Plossl eyepiece, I highly recommend spending some extra cash to get yourself a decent good quality branded Plossl eyepiece rather than going for a cheap, generic eyepiece which is a Plossl only for the namesake. Here's the short answer - Plossl eyepieces are generally better than Kellner eyepieces, but they also tend to be more expensive. While many people will stay with and add Plossls to their eyepiece set, I would recommend not going below 10 mm focal length as the eye relief gets quite short. 5-Minute Read, How To Increase The Magnification Of A Telescope; 5-Minute Read. 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. This will give you a lower power and a medium to high power eyepiece, depending on the focal length of your scope. One learns by observing. However, some eyepieces have an eye relief as short as 5 mm. They deliver sharp images in almost all telescopes. The 26 and 32 are usually the first ones I reach for. The bottom line is that it is best to have several magnification choices so you can optimize the view. 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. Plossl eyepieces have wider fields of view than Kellners. It was grueling, because I couldnt even get the entire field of viewI had to keep my eye hovering above the exit pupil. Eyepiece Field of View Simulator astronomy.tools Field of View Simulator Change Telescope Reset Change Target Add Equipment See if you will observe with or without your glasses. I have CPC 925 and I currently own Hyperion 10mm, Hyperion 17mm and Celestron plossl 40mm. 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. From planetary viewing to deep sky watching. The 66-degree AFOV of the Gold Line series provides a 32% wider field than Plossl eyepieces. But the one I am recommending here is the Tele Vue Nagler series. I saw Jupiter today and its 4 moons but when I looked at saturn I struggled to get a really clear image and it was very small. Fortunately, the investment can be leveraged with future scopes since eyepieces are standard sizes so they work in almost any telescope. For your application and the eyepieces you have or are going to get, you really dont need anything else. The price can run to over $1000 per eyepiece. Pentax K-70 Astrophotography: The Ultimate Camera on a Budget! Kellner eyepieces use three glass elements in two groups to minimize color fringing. The biggest advantage is much better ER in a large ocular. As we go up in price range, we gain capabilities that may not be immediately obvious. The BH zoom is optically a 1.25 eyepiece. After these, we have mostly proprietary designs from various eyepiece companies. I want to help you select the best eyepieces for your budget and your telescope. Because some objects look better at low power, some at medium power, some at high power, and some at very high power. For the price, I think the eyepiece is still a good pick. Higher values are slower and lower values are fasterthis is a holdover from camera lens terminology and has to do with exposure times.). If you are completely new to stargazing, Kellner eyepieces are absolutely fine. Low focal ratio scopes deliver the light rays to the eyepiece at an ever-increasing angle as the focal ratio number goes down. 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. 75-225X, 1.5X Barlow There is a little bit more to it than that and there are other design . This 10 mm Orion Sirius Plossl Eyepiece is a great, moderately high power ocular for observing small planetary nebulas and globular star clusters, as well as for planetary probing when seeing conditions don't permit higher magnifications. As new anti-reflection coatings were developed, it became possible to actually make use of complex lens arrangements (not just in relatively simple 4-element systems but also in convoluted, extreme wide-field eyepieces such as the TeleVue Nagler). No other type can compare with it when it comes to that quality. 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. 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. now it all makes sense, you did a great job explaining all this information it was a lot to take in but i have it now. I often recommend it. 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. How you divide up your magnification range is up to you. So, I think it worth your while to try the Plssls. 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. For one thing, a wider field of view is almost always more pleasant. Why not go back to the people who sold you the scope and get their help. We may earn commissions by recommending products on this website. My other eyepieces, ES and Meade 82 degree, stayed in the eyepiece case most of the time. I hear that, sometimes you find one that is sweeter than others. At 32mm, a Plssl will give you as wide a field of view as any 1.25mm eyepiece can. These low-quality Plossls lack an internally blackened lens barrel with thread baffles and blackened lens edges and sophisticated anti-reflection multi-coatings, all of which are a necessity to produce an excellent image. I often recommend a 32 mm Plossl as a good low power wide view eyepiece for scopes with a 1.25 focuser. OHHH, now i get it! Top 10 Best Best Plossl Eyepieces 2023 - Complete Buying Guide I generally use my 40 to search for DSOs so Ill probably replace that one at some point too. I really enjoy usingPlssls. Your email address will not be published. That's how cost-efficient the entire package is! 4. As Im sure you know, a Barlow actually narrows the cone of light that enters the eyepiece, hence it affects the apparent focal length and thus the f/ratio of the telescope objective. I havent been into the hobby for long but my experience is in line with whats been said. Learn more about our story and the team behind the scene. Its made up of four lenses in two groups. 32 mm = 18.75X 16 mm = 37.5X (32 mm eyepiece with a 2X barlow), 12 mm = 50X (If you have a 25 mm that came with your scope, use Barlow for 12.5 mm), 4 mm = 150X (8 mm eyepiece with a 2X Barlow), 3 mm = 200X (6 mm eyepiece with a 2X Barlow), 24 mm = 25X (the low power end of the zoom), 8 mm = 75X (24 mm zoom setting in a 3X Barlow), 2.66 mm = 225X (8 mm zoom setting in a 3X Barlow), True field of view or FOV = Apparent field of view (AFOV) eyepiece / magnification. 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. Warranty Limited Warranty against defects in materials or workmanship for one year from date of purchase. Theres a wide range of quality when it comes to Plossls and trusting the brand you are getting one from matters a lot if you dont want to get an eyepiece with lots of reflection or optical issues. It has made learning the Constellations and star-hopping more fun and engaging for my whole family exactly what I was hoping for. https://telescopicwatch.com/orion-skyquest-xt8-intelliscope-review/. Their eye relief is limited to about 70-80% of their focal length. It should list what size eyepieces you can use. At this point, a Plossl and a Kellner are so close in price and performance that you may as well get the Plossl. Lenses are fully multi-coated for excellent light transmission and reduced internal reflections. 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. Kellner and Plossl- both are two different types of eyepieces for telescopes. Celestron Telescope Eyepieces - CHUCKHAWKS.COM I cannot thank you enough! . 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. Very worth it for me, as I like to use bino-viewers. (often referred to as Pseudo Masuyama). The big problem with Plssls is that the eye relief is about 0.75 times the focal length. 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 . Besides fov, How would you compare the optical quality of the Celestron to the Baader? In essence the design differences between Kellner and Plossl comes down to the number of lenses within the eyepiece barrel. Are Plossl eyepieces any good? - KnowledgeBurrow.com document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Since 2011, we've published astronomy related content and reviews to help guide the community better. However, I have eyepieces with much smaller exit pupils and they work fine. 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. There is one aspect in which a Kellner can actually outperform a Plossl: eye relief.

My Willows Sunglasses Dupe, Essex County Cricket Players Salary, David Jolly Net Worth, Articles A