New and used eyepieces + 2 diagonals - Updated In comparison, Aspherical lenses generally have no color distortion but might not work out well if the telescope user needs really high magnification. Ever since, I have been attempting to cram in every fact about the Universe, I can find into my head. You could say Super Plossls are not much more than a marketing tactic these days. This can be debated 100 ways, but that is my advice. But you need to know, first, if you will be wearing glasses when you observe. They offer a 52-degree apparent field with clean, high-contrast images. I do not miss beating my eyelashes against a 9.7mm Meade Plossl that I used to own. Major telescope brands such as Celestron supplies Kellner eyepieces with their r least expensive telescopes and still may. What Is A Barlow Lens For A Telescope? A long eye relief is also important for those who wear eyeglasses at the eyepiece, whether thats a member of the general public at a star party or an astronomer with astigmatism, which, unlike near- or far-sightedness, cannot be corrected with the telescopes own focuser. This can be especially helpful in telescopes of focal ratios below F8. Pentax 10.5mm Eye Piece Excellent Condition (#314374986239) r***d (1910 . 75-225X, 1.5X Barlow Once I knew how much I liked the zoom I upgraded to the Baader Hyperion Zoom. Unless you are a professional astronomer or extremely demanding, you can select your eyepieces based on magnification, the apparent field of view, eye relief, and price. No, adapters are not needed but they may come in handy when you want to change the focal length or add other lenses such as filters or Barlow lenses. (Focal ratio is a term that refers to the telescopes focal length divided by its aperture. Even when I upgraded to a 6mm Goldline, I kept the Kellner around because of pretty annoying kidney-bean blackout issues on the Moon with that eyepiece. What diameter eyepieces will my telescope accept? 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. The quality of a Plossl eyepiece completely depends on the brand and model, so be very careful in our selection. Stargazinghelp.com is a knowledge hub for professional and amateur astronomy and astrophotography enthusiasts. For the price, I think the eyepiece is still a good pick. It all comes down to cost-benefit. I have Celestron and the Baader Hyperion. I have a 4 element (traditional) and a 5 element 32mm Meade, both from the same era in Japan, and the 5 element is much better by quite a bit. For shorter focal lengths, the StarGuider BST series eyepieces have greater eye-relief, so are better suited. There is the 56mm Meade Plossl which magically turns my short FL refractors into their own finder scopes. My other eyepieces, ES and Meade 82 degree, stayed in the eyepiece case most of the time. Despite one being fundamentally superior to the other in terms of image correction, Kellners and Plossls are generally quite comparable in terms of the image you actually see. I havent addressed .965 eyepieces in the recommendations. Have Any Astronauts Been Lost in Space Forever. Get to know more about us here. Are Plossl eyepieces any good? Skywatcher SP Plossl lenses - Discussions - Stargazers Lounge If you go this route, you can always add single focal length eyepieces along the way to serve specialized purposes. A wide range of focal lengths are available, all in 1.25-inch size. 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 . The ES is actually slightly cheaper than the Orion but my understanding from your reviews and replies is that ES might actually be the better eyepiece have I got that right? For modern eyepieces, the differences between Plossl and Super Plossl is going to depend on the manufacturer. Am I correct? 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. It comes with 1.25 Plossls 25mm (26x) and 10mm (66x) eyepieces. That is the critical factor. It comes with two Barlow lenses, one Newtonian eyepiece, and three Plossl eyepieces in the set. The length of eye relief on a Plossl eyepiece ranges from 12 millimeters (less common) all the way up to 45 millimeters with added benefits being that you dont have any issues seeing into your view. Im just starting out with astronomy and this really helped my understanding. The combination of high-quality optics and accessible prices have made them the favorite design for amateur astronomers and even professionals. The Astrovid 40X60mm Zoom Telescope Camera Lens Kit is a great choice for those looking to get a variety of lenses, at different magnifications. 8.8 = 240 = .34 Basic question - what is a Plossl eyepiece? - Getting Started General Fortunately, the investment can be leveraged with future scopes since eyepieces are standard sizes so they work in almost any telescope. There are certainly much better options out there but at a significant cost. However, for your extra money you get the finest manufacture, the best polish and coatings available. I need your advice on it. 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. The bottom line is that it is best to have several magnification choices so you can optimize the view. Depending on how fussy you are about having a completely clean image across the visual field, if you have a lower focal ratio scope you will want to look for eyepieces with a reputation for being better corrected in low focal ratio scopes. Looking forward to first use. Does having a 70 vs 52 fov make a noticeable difference for double the price? And remember, when all else fails, read the instructions. To achieve these benefits, they may use special glass and more costly manufacturing. Second? Kellner vs Plossl Eyepieces (Pros And Cons) - Scope The Galaxy On the inside, they are exactly the same design. What Does It Do. Despite this, I also have some Plossls which are indispensable. The generic GSO Plssl from many manufacturers, including Astronomics (Astro Tech) and Agnena Astro, is as good as the Celestron and a few bucks cheaper. There are inexpensive adapters that will let you use standard 1.25 eyepieces in a .965 focuser/diagonal. 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? I want these as possible as wide, magnification and astrophotography purpose. To estimate the highest practical magnification for your telescope, you take the aperture in millimeters, mm, and multiply it by two. If you do upgrade, youll probably want to go for a different eyepiece design than a Plosslsomething with a sharper image or a wider field of view or a longer eye relief (or all three.). If you are completely new to stargazing, Kellner eyepieces are absolutely fine. These are exceptional eyepieces, and only available on the used market nowadays. 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. I hope I can say that someday. But for the targets requiring higher mag Im still undecided between: Other brands have joined and have used the Super Plossl label, but they all keep the original 4-piece design. Question: would it perform well with 1.5/2x and 3x Barlows? For what it's worth: I believe the Omni 1.25 inch 2x Barlow is one of the Shorty Barlows manufactured by GSO. 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. thanks Ed. Thus the 30 mm eyepiece in a 600 mm telescope produces 600/30 = 20X magnification while with the Barlow, we have 1800/30 = 60X. A Kellner eyepiece has 3 lenses, while a Plossl has 4. It also produces an erect image, meaning you see what youre viewing rather than seeing everything upside down or sideways as some types do. Save my name, email, and website in this browser for the next time I comment. I have personally tested a few Super Plossl and compared them to their regular counterparts by the same brand. If we combine a Barlow with an 8-24 mm zoom eyepiece, we have an amazing range. In this article, we will only focus on the differences between Plossl and Kellner eyepieces. 14 = 128 = .6 Eye relief is the distance from the eye lens to your eyeball, and the higher the better (within reason). Vixen NPL Eyepieces | First Light Optics While I also have the Baader Hyperion Zoom, mentioned later, I continue to make use of the Celestron, especially in my smaller scopes. If the above guide has helped you understand the terms and workings of eyepieces, scroll up and make a selection from our recommendation list. As for tabletop scopes, dont forget that you need a table, stool, or bench to place them. Generally, to maximize the number of stars you see in an eyepiece with a given telescope, both the magnification and field of view should be maximized. Learn more about our story and the team behind the scene. Any exit pupil between 7 mm and .5 mm is just fine. If one Super Plossl specifies it uses a 5 lens design, then you can definitely consider it a true Super Plossl that might offer better performance, but no brand has released any of those for decades. Orion 12 mm Sirius Super Wide Angle Correct Image Eyepiece has a rubber eyecup that holds in light, which enables you to enjoy this powerful telescope eyepiece at night without glare or reflections from any external sources. I owned an XT8 Intelliscope which is the same optical tube on a PushTo mount. They are a good brand with high-quality eyepieces, you just dont need to spend the extra money for almost no gain in performance. This design has some advantages over other designs, such as the Kellner eyepiece or Orthoscopic eyepieces. Which is Stronger? Kellner eyepieces work perfectly with small and medium-sized telescopes. 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. However, there can be a problem bringing the eyepiece into focus. So, for your 30 mm, 82/60 = 1.36 degrees. They also improve a bit when it comes to eye relief. thanks for all your help. These are often compared to the higher priced offerings. I am not aware of an ES branded 70 degree series in the USA, but they do have a Bresser branded 70-degree series. We will use 10 mm as the eyepiece focal length, but we will look at three different 10 mm eyepieces, each with a different apparent field of view, AFOV. 50 150X, no Barlow The Wiki article(s) were very good if anyone else is confused. Then you can judge for yourself if it is worth it. 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! I do not miss beating my eyelashes against a 9.7mm Meade Plossl that I used to own. I currently own a Mak127 ( that can't use 2"eyepieces) and a 80ED ( that one can hold 2"eyepieces). See if you will observe with or without your glasses. 1:10 . The Big Bang Optics also participates in affiliate programs with Clickbank and other sites. You see the object in a wider expanse of space with more stars. There is no problem using a Celestron eyepiece in a Meade telescope, for example. And I continue to read excellent reports on the AT Paradigm and similar under different labels. 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, Thanks for your reply, I think I will go for the Orion Q70 . 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 . I have the 38 mm and recommend it often. Lets take a look. I cannot thank you enough! As long as you take good care of them, Plossls can last you a lifetime, and you will be able to use them with your next telescope if you upgrade at some point. That's hard to beat IMO. 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.
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