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The Plossl eyepiece is a type of optical system that was invented by Ernst Abbe. Plossl eyepieces have an eye relief equal to about 80% of their focal length. I was just wondering if plossls are still worth it or should get a better eyepiece in a 30mm range. 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. These will eventually be used in an 8in dob whenever it arrives. Orion SkyQuest XT8 Intelliscope Review These lenses are connected together. Any exit pupil between 7 mm and .5 mm is just fine. The original design for Plossl eyepieces has existed since 1860. With a refractor, SCT or MCT, it is usually better to get a correct image diagonal than a correcting eyepiece. These Astromania Plossl eyepieces provide a good way to do exactly that without breaking the bank, and this is what I love about them: they're an affordable way to significantly upgrade your telescopes. Here's the short answer - Plossl eyepieces are generally better than Kellner eyepieces, but they also tend to be more expensive. Between $100 and $250, I will call it mid-range. 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". (Focal ratio is a term that refers to the telescopes focal length divided by its aperture. These are effectively simple designs like Plossls, Kellners, Konigs, and RKEs, with long focal lengths, that have a lens included to increase their focal length. The Hexagon Zoom Eyepiece is made from durable plastic material that resists scratching and it has an eye relief distance of 15mm. You have a very wide choice of brands and styles to choose from. A 32mm Plssl is worth it. The BHZ in a 2X Barlow will take an XT8 to 300X. Being a total novice, I love the StarSense app and technology. That is a wonderful expression. I possess an embarrassing array of fine eyepieces with names like Ethos and Nagler and Delos. A rubber safety cap protects the lens when not in use while also providing additional grip on this 35 mm Plossl eyepiece. https://telescopicwatch.com/best-astrophotography-telescopes/. Because some objects look better at low power, some at medium power, some at high power, and some at very high power. 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. These come in focal lengths from 2.3 mm to 25 mm. I continue to be very pleased with the ES82 eyepieces. 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. Here we focus on becoming a knowledge hub for astronomy and astrophotography enthusiasts. The TFOV of the Hyperion will be greater than the TFOV of the Plssl, but the magnification will be about the same. A Televue Plssl may be better than a generic one, but the difference is probably not worth the additional cost. My love affair with space began in a field in India at the age of 7, when I looked up at the Milky Way for the first time. I agree. 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. These sizes have become the industrys standard sizes. Tip Its almost always cheaper to buy directly from Agena Astro. We are a reader-supported organization. That is a really interesting picture. 130 mm scope will have a max of 260X for planning purposes. Simple Plosels work well and unless you have money burning a hole in your pocket, I would start with simple affordable eyepieces. 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. If I had to give them all up and keep only one eyepiece, It would be the BH Zoom. 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. Save my name, email, and website in this browser for the next time I comment. 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. No results, please adjust your filters. 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. (Compare, for instance, 20mm of each type, or 10mm of each type.) I need some eyepieces with long FL for low magnifications. Many compare these favorably to eyepieces that are much higher priced. Etc.? Find many great new & used options and get the best deals for Meade telescope maksutov eyepiece ETX-105EC Super Plossl 6.4mm 1.25" w capsule at the best online prices at eBay! Every review suggests replacing the 10mm Kellner eyepiece (and possibly 25mm Kellner) that comes with it. These are things you will want to know and use. This is why many telescopes come standard with at least one Plossl eyepiece. that I could slide into my telescope and look at. With an f/10 telescope, Plossls are as sharp as any other kind of eyepiece of the same focal length. https://telescopicwatch.com/celestron-8-24mm-zoom-eyepiece-review/. After these, we have mostly proprietary designs from various eyepiece companies. These "other" ones I speak of, aren't technically that, they are a 5 element eyepiece, of a different design. It costs a lot to get that last 10% of performance. In your case, I would do this for the 30 and the 20. There is no shortage of accessories for the Nexstar series. As the clear cut worlds best eyepiece manufacturer, their name should at least be mentioned in an article like this. 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! These eyepiecesproduce a 'standard apparent feld of view' of between 50 and 56 with most set at around 52. These are exceptional eyepieces, and only available on the used market nowadays. But dont fear that you will waste your investment as eyepieces are standard sizes. 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. These eyepieces are technically called Symmetrics, since Plossls can have different focal lengths for each doublet, but they are always marketed as Plossl. It all comes down to cost-benefit. Other eyepieces of more advanced design can have better eye relief and field of view. Do you need to have the best to enjoy astronomy? A Plossl eyepiece is one of the most decent general-purpose eyepieces that are available on the market. You mentioned regarding ORTHO eyepieces: Excellent specialty eyepieces, usually for planets. If you would prefer to buy him $60 eyepieces or even $30 eyepieces because he is only 7 and he can upgrade later, that is also OK. Now we have a maximum established. dnrmilspec is right. I just added the 4.7 mm. Well-made lenses are expensive though, so in general the more lenses, the higher the price of the eyepiece. Prices can run from $20 to $200 so the field is pretty broad. To achieve six magnifications, you can have six eyepieces. Is there much of a difference between the celestron and haader? The price ranges we show here are the typical prices. 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. It was grueling, because I couldnt even get the entire field of viewI had to keep my eye hovering above the exit pupil. I generally use my 40 to search for DSOs so Ill probably replace that one at some point too. It had one of the best fields, edge to edge, in my SCT that I've ever seen. It also gives the widest possible exit pupil in my dob and SCT, very handy when using nebula filters. This is your Lexus, Acura, and Infinity types that offer more features, better build, and a bit more polish. Plossls are extremely versatile and can be used for all use cases. If you go this route, you can always add single focal length eyepieces along the way to serve specialized purposes. IF you like your Hyperions , you could get a 2 inch visual back and 2 inch diagonal / or 2 inch SCT diagonal and add the 31 or 36 Baader eyepieces in 2 inch . https://telescopicwatch.com/best-telescope-mounts-for-astrophotography/, https://telescopicwatch.com/best-astrophotography-telescopes/, https://telescopicwatch.com/best-barlow-lens-and-how-to/, https://telescopicwatch.com/celestron-8-24mm-zoom-eyepiece-review/, https://www.amazon.com/Orion-8879-1-25-Inch-Enhanced-Telescope/dp/B000BMPBLK/ref=sr_1_8?crid=3KKUJRXYYN7DI&dchild=1&keywords=telescope+diagonal+1.25&qid=1610887695&sprefix=telescope+diagonal%2Caps%2C512&sr=8-8, https://telescopicwatch.com/orion-skyquest-xt8-intelliscope-review/, https://www.rothervalleyoptics.co.uk/baader-hyperion-mark-iv-8-24mm-universal-zoom-eyepiece.html, https://www.amazon.com/s?k=Orion+Q70&ref=nb_sb_noss_2, https://telescopicwatch.com/best-telescope-eyepieces/, 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, 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. Do you think it would be sensible for me to look at getting a higher magnification specific eyepiece? I like my 38/70. Eye relief is the distance from the eye lens to your eyeball, and the higher the better (within reason). PS. Put the zoom on the Barlow for the high range. 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. But some people demand the very best, and it is available, at a price. Le migliori offerte per Celestron 1,25 pollici Omni Plossl telescopio astronomico britannico 32 mm J8R6 sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! Was $38.99 - $99.99 Now $31.19 - $84.99 Compare Orion Edge-On Planetary 1.25" Eyepieces There are so many others at comparable or higher prices, many of which are quite good and some rather poor. Perhaps you have read about planetary eyepieces, DSO eyepieces, and other types of specific eyepieces. 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. It may be a bit less than that in reality but for practical purposes that is close enough. Thanks. Plossls are available from many suppliers in a wide range of focal lengths in 1.25 and 2 sizes. Even if we were next-door neighbors this would take weeks of discussion and planning. Is it just about finding and framing, or do wide fov EPs create a more immersive experience? About Us | Privacy Policy | ContactLittle Astronomy is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.