You also get 7 1.25 filters which include the following, #80A Blue Filter, #58 Green Filter, #56 Light Green Filter, #25 Red Filter, #21 . 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. I can say that most of my plossls have been replaced by other eyepieces for various reasons. The larger barrel allows them to create an eyepiece with a higher AFOV. 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. This series of eyepieces may provide better value in this price range. This is important to keep in mind because it means brands have to try really hard to one-up each other because the competition in a niche hobby such as astronomy can be fierce. The 4000 SWA's were way overpriced for their performance IMHO. How you divide up your magnification range is up to you. This is a fairly inexpensive zoom that I wanted to try. Lets look at the minimum. The TFOV of the Hyperion will be greater than the TFOV of the Plssl, but the magnification will be about the same. Also work very well with my binoculars that have removable focal reducers built into. Comparing to Plossl, the Expanse eyepiece is a lot more expensive.
Celestron Telescope Eyepieces - CHUCKHAWKS.COM These will eventually be used in an 8in dob whenever it arrives. 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. Thanks so much. When I was getting my start in the hobby, I bought an ultra-cheap ($15?) This has nothing to do with your scope or eyepiece. 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.
Celestron Omni Plossl Eyepiece | First Light Optics 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. Major telescope brands such as Celestron supplies Kellner eyepieces with their r least expensive telescopes and still may. There is no shortage of accessories for the Nexstar series. No other type can compare with it when it comes to that quality. But for AP you should really start your planning with the mount. I usually recommend a 32 mm Plossl type eyepiece as that provides about the widest view you can achieve with a 1.25 focuser. Gold line eyepieces are available in 6mm, 9mm, 15mm, and 20mm focal lengths. The design of a Plossl eyepiece consists of an objective lens with one side that is convex (wider than its length) while the other side is plano-convex or flat in shape. This also makes them more resistant to any form of dust getting inside the eyepiece. Though not the Meade. Think of these as your Ford, Chevy, and Toyota of eyepieces. A Kellner eyepiece has 1 double lens and 1 single lens.
Plossl vs Super Plossl Eyepieces. Which One is Better? - Little Astronomy However, some eyepieces have an eye relief as short as 5 mm. 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! 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. You can read a thorough review of Goldline eyepieces here. You are asking about a very specific eyepiece in a very specific scope combined sometimes with a Barlow. Youll find yourself adjusting these type of factors less than. Because some objects look better at low power, some at medium power, some at high power, and some at very high power. 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. They work great every day and get you where you want to go, but dont have what the higher priced models have. Other brands have joined and have used the Super Plossl label, but they all keep the original 4-piece design. 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. 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. The first group is made up of a convex lens and concave lens, while the second one has four small cylindrical lenses that work together to magnify what you see through them for your viewing pleasure. Generally, dont mess around with solar projection unless youre okay with damaging the instrument. I once had to use a 6mm Plossl to attempt to perform a star-test collimation for a telescope at the observatory. Between Kellners and Plossls, this means a 32mm Plossl, which maximizes the field of view in the 1.25 barrel diameter format, will show more stars than either a 32mm Kellner with the same magnification but a smaller true field of view, or a 40mm Kellner (or 40mm 1.25 Plossl, which has a 40 degree apparent field of view) with a lower magnification and the same true field of view. It comes with two Barlow lenses, one Newtonian eyepiece, and three Plossl eyepieces in the set. 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? A Plssl is probably as good as any 32mm eyepiece in a 1.25 inch focuser. However, the BH Zoom is by far my most used eyepiece. Gosky Plossl 40 mm Telescope Eyepiece - 1.25inch This is probably the worst eyepiece I can recommend. The category is over $300 and some of these are way over $300.
SVBONY Eyepiece Review: Take Your Stargazing Up a Notch Aspheric eyepiece is a variation of Plossl design, it has an anti-reflection coating on the front glass surface to ensure maximum light transmission and will also provide your instrument with better quality images if you need higher magnification levels. They all work, but as you go up in price, you gain features or performance or both. Since each eye has a different focal point, I suspect pulling the eyepiece out until reaching focus and then tightening the set screw. Again, I only do this for my low power wide views. https://telescopicwatch.com/celestron-8-24mm-zoom-eyepiece-review/. Plossl eyepieces have an eye relief equal to about 80% of their focal length. You use the 8-24 zoom for the midrange. Quality this good usually costs a lot more. This may be enough for many eyeglass wearers. Take a look at your manual or users guide. However, there can be a problem bringing the eyepiece into focus. Higher priced eyepieces usually include more elements in the optical path that are there to help reduce or eliminate aberrations that can be seen around the edges of lower cost eyepieces. These are the workhorse eyepieces of today. 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. Note that many cheap eyepieces promise a wide AFOV but deliver a view with a lot of distortion or aberration as you move away from the center of the field of view. Many thanks, Sophie. Gold Line eyepieces also offer better eye relief than Plossl eyepieces, especially at the shorter focal lengths. They have a 60deg apparent field, long eye relief, adjustable eye shield and extremely well corrected. This number can range from 30 degrees to 120 degrees. If you just want a quick answer, skip to the conclusion at the end of the article. If you plan to go longer than that you can get an AC adapter or a power tank. When discussing eyepieces, you will hear people comment on how well the eyepiece is corrected. 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. In my scopes a simple zoom eyepiece like the Celestron 24-8mm or the Baader has replaced the higher powered plossls. The eye relief is the distance between your eyes and the eyepiece where you are able to view the whole image comfortably. I have a variety of eyepieces, including Explore Scientific and Meade 82 degree series so I have choices. 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. 4mm Eyepiece vs 20mm Eyepiece. It may be a bit less than that in reality but for practical purposes that is close enough. Your email address will not be published. Ideally, you want a minimum of three eyepieces for (1) low power (2) peak visual acuity and (3) high-power viewing. This is just a planning target. Be sure to read the following as you consider your eyepiece purchases. 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. In retrospect, I should have included Tele Vue. Looking forward to first use. Each eyepiece gives you a unique magnification based on the formula listed at the start: Why do you need more than two eyepieces? 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. Is there much of a difference between the celestron and haader? They are a good brand with high-quality eyepieces, you just dont need to spend the extra money for almost no gain in performance. I wants to install one in house(fixed place) another I need movable. The views through it are very impressive, and it always amazes me when I get that one out. This makes them a bit more complex and expensive than other designs, but also gives them a wider field of view, reasonable eye relief, and reduces optic aberrations. However, i can read very well without my glasses with almost microscopic vision and can use my binoculars without glasses. In simple terms, high focal ratio scopes, say those over F6, tend to be less demanding on eyepieces than those below F6. At 32mm, a Plssl will give you as wide a field of view as any 1.25mm eyepiece can. A wide range of focal lengths are available, all in 1.25-inch size. Why not go back to the people who sold you the scope and get their help. These lenses are connected together. These are exceptional eyepieces, and only available on the used market nowadays. You can accomplish a longer eye relief by barlowing a longer f/l plossl, so that is something to think about as well. Read our full affiliate disclosure here. Meade telescope maksutov eyepiece ETX-105EC Super Plossl 6.4mm 1.25" w capsule. If you go this route, you can always add single focal length eyepieces along the way to serve specialized purposes. Now put the zoom on a 3X barlow and you have: Using the zoom approach with a Barlow your eyepiece set would consisit of a 32 mm low power eyepiece. They are most useful in medium and longer focal lengths for terrestrial, planetary, and lunar viewing. Know what diameter eyepieces your scope takes. This saves money and helps you shop in an organized manner. If you want to buy him $200 eyepieces so he can grow into them, that works. I took notes and now can shop with confidence . Hi Ed, 1.25" Power mates with T ring adapter.
So, for your 30 mm, 82/60 = 1.36 degrees. This eye piece provides the maximum true field of view in the 1.25 inch format. Are plossl eyepieces still worth it? I have owned wider eyepieces, but ultimately I just prefer the Plssls (must be a mental defect). These eyepieces are technically called Symmetrics, since Plossls can have different focal lengths for each doublet, but they are always marketed as Plossl. She has been looking at the sky for years and hopes to introduce more people to the wonderful hobby that is astronomy. This is a good thing, because normally the shorter the focal length of the eyepiece, the less eye relief you have. Ever since, I have been attempting to cram in every fact about the Universe, I can find into my head. We can see that 2 eyepieces have an advantage over 1.25 eyepieces when designers are making wide-view eyepieces. I am considering buying another eyepiece, maybe 6mm, and a Barlow, maybe 2x, to give me a wider and higher range of magnification. Perhaps you have read about planetary eyepieces, DSO eyepieces, and other types of specific eyepieces. NEW. 17mm Plossl, unbranded, used, no caps, in bolt case; previous owner said it was a very good EP; $18 25mm Plossl, Orion Sirius, fully MgF2 coated on every air-to-glass surface; used; $23 (these are a step up from . They are all 4-element Plossl eyepieces, and most have a 52-degree field of view that is common to the Plossl design. You will see these under many brands, including Orion, Celestron, GSO, and others. 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. And, the quality of the eyepiece clearly comes into play here. These companies rebranded them under their own names. They deliver sharp images in almost all telescopes. The Plossl is a good all-around eyepiece design, is well suited for generic use and is relatively inexpensive to make. I owned an XT8 Intelliscope which is the same optical tube on a PushTo mount. 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. This is the link to the eyepiece I am looking at potentially buying, would you recommend this over the Orion one or vice versa do you think? Then you can judge for yourself if it is worth it. 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". 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. Is it just about finding and framing, or do wide fov EPs create a more immersive experience? Some optics brands have taken the next step and launched some eyepieces they have labeled as Super Plossl. In my opinion, you do not. There is the 56mm Meade Plossl which magically turns my short FL refractors into their own finder scopes. Kellner eyepieces have 3 lenses cemented together and have a 35-50 degree field of view. When I started, I purchased less expensive eyepieces to learn about them and how I would use them. Jupiter and Saturn are low in the sky now. Worth is a subjective evaluation, so here is my subjective input: 1. The Wiki article(s) were very good if anyone else is confused. At one time Plssls were premium eyepieces. Between $100 and $250, I will call it mid-range. 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. They can also be found as Orion Expanse sporting a blue line rather than gold. To achieve six magnifications, you can have six eyepieces. 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.
Plossl vs Kellner Eyepieces. - Little Astronomy So you ended up with: 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. If you are new around here and you want to get started with the hobby, check out our astronomy for beginners guide or the recommended gear page. All the rest will likely be 1.25. Lets just say that once you get below F5, it is really hard for the eyepiece to deliver a clean image to the edge. Thus the 30 mm eyepiece in a 600 mm telescope produces 600/30 = 20X magnification while with the Barlow, we have 1800/30 = 60X. It comes with 1.25 Plossls 25mm (26x) and 10mm (66x) eyepieces. Note to spectacle wearers: Plossl eyepieces with 15mm and longer focal lengths are good choices for spectacle wearers but for shorter focal lengths the Celestron XCel LX series have greater eye-relief so are better suited. You can enjoy wide-angle views without giving up any of the clarity or sharpness when using Plossl eyepiece while Kellner will give you more magnified views but at less than half the brightness levels in comparison to other lens designs on this list if light pollution was involved. Orion Sirius Plossl eyepieces are ideal for any type of telescope; refractor, reflector, or catadioptic. I cant answer that specifically as I have no experience with that eyepiece in that scope. Or is this overkill and am I better off saving money and going forward something like the Celestron Zoom? 2019-2023 Little Astronomy. 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. Despite this, I also have some Plossls which are indispensable. If you wear glasses when observing, you probably want 15mm or more of eye relief, which the 20mm Plssl provides, but the shorter fl ones dont.