Thanks, Angelo M. You picked a great first scope. I think you will change your mind. Hayppy that now I have more facts to put in my decision. These are exceptional eyepieces, and only available on the used market nowadays. I want to help you select the best eyepieces for your budget and your telescope. 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. Your email address will not be published. Ive added comments on where you may find and use them. Though not the Meade. . No other type can compare with it when it comes to that quality. How do you focus - I would have expected helical focusers in the eyepiece holders but don't see any? The availability of good quality relatively wide field-of-view inexpensive eyepieces has kind of put them in the second tier of eyepieces, but they still hold their own in the longer focal lengths and excel if one does not demand a wide field-of-view. 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. Gosky Plossl 40 mm Telescope Eyepiece - 1.25inch This is probably the worst eyepiece I can recommend. One last thing, as a kid I used my telescope to watch squirrels and birds (which was interesting because the image was flipped around :-) so, you might consider getting an eyepiece that flips things the right way around so that navigating terrestrial nature is easier to manage. Simple Plosels work well and unless you have money burning a hole in your pocket, I would start with simple affordable eyepieces. You could base this on 3, 4, 5, 6 or more focal lengths/magnifications. This design has some advantages over other designs, such as the Kellner eyepiece or Orthoscopic eyepieces. At least you'll have one budget eyepiece that will give you a larger part of the sky at low magnification. To achieve six magnifications, you can have six eyepieces. the reality is that today's eyepieces are all quite good, particulalarly in an f/10 telescope. 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. The computerized pad and motor work on AA batteries which can last you a few hours. 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. It doesnt matter what type of telescope you have, as long as your scope takes these standard sizes. I once had to use a 6mm Plossl to attempt to perform a star-test collimation for a telescope at the observatory. It is all about your budget, your goals, and your objectives, as outlined in the article. It was grueling, because I couldnt even get the entire field of viewI had to keep my eye hovering above the exit pupil. The price can run to over $1000 per eyepiece. By having a range of magnifications, you can optimize the image, which means you need more eyepieces. What happens if you use an eyepiece that has a the wrong exit pupil? As to a more immersive experience, yes, I would say a wider FOV does provide a more immersive experience. Plossl eyepieces are often included in better telescope packages as the starter eyepieces. And that is pretty much what Super Plossl are today. Good 32mm Plssls run around $30-$40. They can be recognized by a thin gold line just below the eye cup. 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. 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. 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. Even if we were next-door neighbors this would take weeks of discussion and planning. This also makes them more resistant to any form of dust getting inside the eyepiece. I hear that, sometimes you find one that is sweeter than others. However, I have eyepieces that have larger exit pupils than 7 mm and they work well. Astrophotography with Nikon D3200: Can It Be Better? Plossl eyepiece is good for astronomy and microscopy. Lets illustrate with an example using a 1200 mm FL telescope. The biggest advantage is much better ER in a large ocular. Dont worry about the math, as its simple stuff you can do with any calculator, on paper, or perhaps in your head. Plossl eyepieces have a wider field of view that can go from 50 to 56 degrees. When you add eyepieces to your collection, you will want to consider what field of view you want and how much you are willing to pay for it. Now looking for a couple of decent eyepieces. Can you suggest the total . Best suited for telescopes with f-ratios f6 or slower. If you are a glasses wearer and plan to keep your glasses on while you are observing, then you will likely want eyepieces with at least 17 mm of eye relief, and some glasses wearers prefer at least 20 mm. Differences and Similarities. 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. At one time Plssls were premium eyepieces. The Regular Plossl eyepiece is made to be a basic type of scope for viewing objects that are nearbysay within two feet or so from where youre looking through it. Many thanks, Sophie. The telescope comes with a 2x Barlow so I was thinking of getting one of the zooms you recommended. Because of this setup, you might also hear a Plossl eyepiece referred to as a symmetrical eyepiece. This is where the second formula comes into play. (Compare, for instance, 20mm of each type, or 10mm of each type.) that I could slide into my telescope and look at. It allows each eyepiece to provide two magnifications. A Televue Plssl may be better than a generic one, but the difference is probably not worth the additional cost. If you upgrade the telescope or add a second one, the eyepieces will work on that telescope too. Plossl eyepieces are great. But I have one little niggle. You are asking about a very specific eyepiece in a very specific scope combined sometimes with a Barlow. We have compared Plossl against Kellner eyepieces in a previous article. Perhaps you should seek out help from your local astronomy club. They deliver sharp images in almost all telescopes. I do not miss beating my eyelashes against a 9.7mm Meade Plossl that I used to own. There is one aspect in which a Kellner can actually outperform a Plossl: eye relief. 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. SV207 30mm Super Plossl Eyepiece. They have decent eye relief and little curvature of field. It comes with two Barlow lenses, one Newtonian eyepiece, and three Plossl eyepieces in the set. Sometimes you want to see a wider field of view to locate an astronomical object like a nebula by using nearby stars. 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. Press Esc to cancel. Save my name, email, and website in this browser for the next time I comment. This is a fairly inexpensive zoom that I wanted to try. 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. Sooooo helpful! The BHZ 2 Adapter has threads on it so you can attach filters to it allowing you to use 2 filters with the zoom. Im just starting out with astronomy and this really helped my understanding. Can you give me any specific recommendations on what to buy and from where? Those are significantly more expensive than the 1.25 focal lengths. Its quite long but that is what we are aiming for and hopefully, it was useful to you. 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. So we say that an F5 scope benefits from better corrected eyepieces more than the F10 scope. Is it just about finding and framing, or do wide fov EPs create a more immersive experience? Since each eye has a different focal point, I suspect pulling the eyepiece out until reaching focus and then tightening the set screw. Also, atmospheric conditions can limit how much magnification you can use on a given night. https://telescopicwatch.com/best-telescope-eyepieces/. So you ended up with: is pretty forgiving of eyepiece faults and a wide variety of eyepiece designs will work just fine in it. If you were considering a Meade Super Plossl, in that case just get the regular one also by Meade. In that respect, they are similar to the Explore Scientific 82 degree mentioned earlier. 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! They offer a 52-degree apparent field with clean, high-contrast images. I want these as possible as wide, magnification and astrophotography purpose. I also really liked my E-Lux 32mm, a Kellner. 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: These are the workhorse eyepieces of today. In the next section, we will talk about the AFOV of an eyepiece. I hope I can say that someday. (Focal ratio is a term that refers to the telescopes focal length divided by its aperture. Required fields are marked *. Understanding and using a Barlow Lens Below .5 mm exit pupil, floaters in the eye become more apparent and can be bothersome. Through the 32mm eyepiece, objects will look larger, and though they may have a lower surface brightness, the surface brightness of the background sky will also be lower. If you are upgrading, avoid ones that say correct image as these add a prism system into the diagonal which can reduce the light transmission. . I would expect it to be similar to the Celestron in image quality. 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". I am not aware of an ES branded 70 degree series in the USA, but they do have a Bresser branded 70-degree series. 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. Then there is the rule of thumb to avoid duplicating focal lengths when acquiring eyepieces. 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. Some of these series also offer 2 eyepieces for telescopes that can accept 2 eyepieces. Plossl telescope eyepieces are the most popular type of eyepiece on the market. Your email address will not be published. Plossl eyepieces are perfect for astronomical viewing because the field of view is wider. You can email me also. 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 often recommend the use of a barlow to achieve the higher range of magnifications. 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. What follows are specific eyepieces that I have tried, own, or have read so many good reports about that I feel very comfortable recommending them. 8.8 = 240 = .34 I have used these in my F6 and F5 Dobs and find them a good value for the price. But what are the other differences? The tradeoff was that each lens surface added another internal reflection, reducing contrast and adding glare. Omni 40mm Eyepiece - 1.25" Learn More. In our example, we targeted 200X as the top magnification. A good modern eyepiece like a BST starguider 12,8 and 5mm are excellent eyepieces. These companies rebranded them under their own names. The only reason it's in this list because of its price and a long focal point. No price limit? Excellent, thank you for the breakdown, very much appreciated. It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. 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 . My 20, 26, and 32mm Plossls will probably stay around. Some people have more than 6 and some have as few as 3. 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. If you want a very good eyepiece with a bit wider field of view but are on a budget, these are very good choices. Imagine you are looking at the moon with each of these eyepieces and consider what you would see. Plssl eyepieces are affordable and they're outstanding additions to amateur telescopes. Orion Sirius Plossl 1.25" eyepieces are ideal for all types of telescopes: reflector, refractor, and catadioptrics such as Maksutov-Cassegrains. How you divide up your magnification range is up to you. You can read a thorough review of Goldline eyepieces here. Find many great new & used options and get the best deals for Meade 32mm 2" 5-element Super Plossl Wide Field Eyepiece at the best online prices at eBay! Now here is something that some of us classic scope nuts know - there are plossls, and there are plossls. https://telescopicwatch.com/?s=barlow, Best of luck with your new telescope. This number can range from 30 degrees to 120 degrees. But those EPs mentioned were all great too! Most people will be fairly comfortable with eye relief of 12 mm or higher. As we continue, what would you recommend adding first? Tip Its almost always cheaper to buy directly from Agena Astro. Also work very well with my binoculars that have removable focal reducers built into. I was just wondering if plossls are still worth it or should get a better eyepiece in a 30mm range. One learns by observing. They are all 4-element Plossl eyepieces, and most have a 52-degree field of view that is common to the Plossl design. Your email address will not be published. Do you need a 10 mm planetary and a 10 mm DSO eyepiece? Interesting points Philip. 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 . https://telescopicwatch.com/celestron-8-24mm-zoom-eyepiece-review/. That's hard to beat IMO. Omni 6mm Eyepiece - 1.25" Learn More. The design uses a planoconvex, two cemented-element eye lens and a large convex field lens. This means less time trying to figure out which way your images should be oriented before examining them. 6.7 = 268 = .3 If I had to give them all up and keep only one eyepiece, It would be the BH Zoom. I do not miss beating my eyelashes against a 9.7mm Meade Plossl that I used to own. I expect such eyepieces are available but I have never seen or used one. Why not go back to the people who sold you the scope and get their help. 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. There is no problem using a Celestron eyepiece in a Meade telescope, for example. 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. At that price point, it couldnt compete with other 5-element devices like Erfle and Nagler eyepieces that had better performance. The BH zoom is optically a 1.25 eyepiece. Using this 40 mm Plossl eyepiece is an excellent way to get a wide field of view with your telescope. 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. To get the best performance, you have to be willing to pay the price. Centuries of improvements led to achromatic refractors, where the primary lens is made up of two lenses of different types of glass, which reduces false color fringing and allows the telescope to be made considerably more compact. 30 = 60 = 1.3 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. Other eyepieces of more advanced design can have better eye relief and field of view. Thanks so much. If we want to get VERY specific to a combination then inherent aberrations of this scope and that eyepiece could produce a unique result. Why two sizes? There are certainly much better options out there but at a significant cost. Which is Stronger? And remember, when all else fails, read the instructions. 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.
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