Planetary eyepieces: Ploessl or Orthoscopic and which brand THANK YOU x 12! As a result, this can cause aberrations in the image as you move from the center of the view toward the edges. Plssl eyepieces are good all-around performers, producing sharp images at the center of the field, but they have only four lens elements. It's no surprise that the eyepieces in our Sirius Plossl line are our best-selling telescope eyepieces. Is it just about finding and framing, or do wide fov EPs create a more immersive experience? Sorry but I am not offering a configuration and pricing service. In the 1990s Meade instruments came up with a new design for the Meade 4000 line similar to Plossl that added a fifth glass element on top of the two pairs (4 total). Stargazinghelp.com is a knowledge hub for professional and amateur astronomy and astrophotography enthusiasts. I am considering buying another eyepiece, maybe 6mm, and a Barlow, maybe 2x, to give me a wider and higher range of magnification. Explore Scientific recently extended this offering by adding a series of 82 degree eyepieces labeled LER, or Long Eye Relief. You have to decide how fussy you are about the edges and what your budget can tolerate. Are Plossl eyepieces any good? Free shipping for many products! Sometimes you want to see a wider field of view to locate an astronomical object like a nebula by using nearby stars. I just ordered Hyperion 13mm and 21mm but I really like how sharp and crisp view is in plossl 40mm. 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. I have used these in my F6 and F5 Dobs and find them a good value for the price. > Click here to jump to the Best Eyepieces section. They all work, but as you go up in price, you gain features or performance or both. There was an old Meade Super-Plossl design that used an additional lens element and could reach a wider field of view. Thanks, Angelo M. You picked a great first scope. It also gives the widest possible exit pupil in my dob and SCT, very handy when using nebula filters. 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. . Goldline Eyepieces - The Definitive Guide - Telescopic Watch eyepiece shows signs of use with caps and bolt case, 32 mm Plossl very good cond. The Big Bang Optics also participates in affiliate programs with Clickbank and other sites. As we go up in price range, we gain capabilities that may not be immediately obvious. I couldnt find any suggestions on your site about diagonal recommendations. My Baader Hyperion Zoom is my most used and favorite eyepiece. The 5-lens-element pseudo-Masuyamas that telesonic mentioned are/were fine eyepieces. Using this approach, you would buy a 2X Barlow and hold off on the 4 mm and 3 mm to see if you can reach these magnifications often enough to justify buying an eyepiece. The Celestron Omni Plossl eyepiece range offers a nice entry-level range into the higher quality 4-element Plossl design. Lower power almost always looks better than higher power. The views through it are very impressive, and it always amazes me when I get that one out. The Japan made 16mm Meade 3000 was a very nice medium power plossl and the 40mm in that series was surprisingly nice as well. The longer FL Plossls (>15mm) have some distinct advantages over more complex designs without the major disadvantage of Plossls which is short ER. Some of these series also offer 2 eyepieces for telescopes that can accept 2 eyepieces. But your point is well taken. LCAS - The Good Old Plossl Eyepiece Just start with 32 mm for your low-power eyepiece. Again, it only costs $30 to $40 to find out, so the education is not that expensive. A wide range of focal lengths are available, all in 1.25-inch size. Excellent, thank you for the breakdown, very much appreciated. I have had a good experience with the SVBony brand and the Agena Astro brand. The computerized pad and motor work on AA batteries which can last you a few hours. Plossl vs Kellner Eyepieces. - Little Astronomy Ever since, I have been attempting to cram in every fact about the Universe, I can find into my head. I want to help you select the best eyepieces for your budget and your telescope. 40mm Orion Sirius Plossl Telescope Eyepiece | Orion Telescopes 50 150X, no Barlow 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. This can be very helpful for star hopping. These and the essentially identical AT Paradigm are universally praised as good quality eyepieces with a wider 60-degree apparent field of view. Kellner eyepieces use three glass elements in two groups to minimize color fringing. Very nice article. 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? The difference isnt that severe, and I often track more often than is strictly necessary to keep the object centered anyway. In 1860, Georg Simon Plossl invented the Plossl eyepiece. Comparing Orion Telescope & Binoculars options, it appears that a Kellner can be found for almost half the price of a Plossl of the same focal length, although there are also equally cheap Plossls available from various sellers on Amazon that are highly comparable. This saves money and helps you shop in an organized manner. 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. You really understood the material. Omni 56mm Eyepiece - 2" Learn More. 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. Many compare these favorably to eyepieces that are much higher priced. But those EPs mentioned were all great too! 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. 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. As we go along, I will refer back to these, so dont worry if you cant answer the questions or understand the formulas now. There is always more to learn but it helps if you go in with a good base understanding, and that was my goal. Good value. Can you suggest the total . Offered in both 2 and 1.25, these are excellent eyepieces. If that is the case, it will give me another reasonably good, inexpensive zoom to recommend to beginners. Combining a cheap eyepiece with a cheap barlow isn't a elegant solution. 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. Telescope Zoomable Eyepiece; Better or Worse Than Plossl Newer multi-coatings are better, I suppose, but newer does not always mean better in the ocular game. For shorter focal lengths, the StarGuider BST series eyepieces have greater eye-relief, so are better suited. . Now we can establish a target magnification range. Generally, Plssl eyepieces are best suited to Newtonian and fast telescopes. very happy. You probably dont need to worry about upgrading them as soon as you get your telescope, unless you can see an optical problem in the one youre using or you find the short eye relief for the short-focus eyepiece uncomfortable. Think of these as your Ford, Chevy, and Toyota of eyepieces. Again, this is more noticeable in lower focal ratio scopes. that I could slide into my telescope and look at. 32mm (20x & 40x). The Plossl optical design is very good for long and medium focal length eyepieces, delivering a sharp, flat field and an apochromatic image. 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. I have several 10mm eyepieces in my eyepiece boxalmost all of them are eyepieces that came with some telescope I boughtand I will almost always choose to use one of the Kellners over one of the Plossls, because the Kellners have a longer eye relief, which is comparable to the focal length. But some people demand the very best, and it is available, at a price. Non-eyeglass wearers can usually tolerate Plossls as short as about 10-12mm before their eyelashes start brushing the ocular lens. They are also good for those who have astigmatism because they are designed to be more forgiving with eye placement. To determine a magnification range, we will start with the aperture of the telescope, the size of the front lens, or the mirror in the back. My Barlow is a 2X with a removeable Barlow element that can be screwed right onto an eyepiece giving a 1.5X effect. Gosky Plossl 40 mm Telescope Eyepiece - 1.25inch This is probably the worst eyepiece I can recommend. A 2 barrel on the eyepiece will allow the manufacturer to create an eyepiece that provides a wider field of view. It costs a lot to get that last 10% of performance. But will the Baader CO with 1.5-2-3x Barlows deliver a visibly sharper and more contrast view of the Moon and planets than the zoom lens with a 2x Barlow, to compensate for the zooms convenience that is the question! The magnification range that is appropriate to your scope. In this case, I am going to define this by the focuser and eyepiece size. Not really. Ive read reviews about my scope. With regards to budget, whatever works well and is on par with the quality & capability of the telescope. The difference in TFOV will be significant at this focal length. Some will offer longer eye relief which can be important to eyeglass wearers. And remember, when all else fails, read the instructions. They are all made by the same OEM manufacturer. It comes with 1.25 Plossls 25mm (26x) and 10mm (66x) eyepieces. SV207 30mm Super Plossl Eyepiece. I am not aware of an ES branded 70 degree series in the USA, but they do have a Bresser branded 70-degree series. If your telescopes focal length is different, just change the focal length in the formula. This is just a planning target. 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. The only one not in the article is the Orion Q70 which is available in 38 mm, 32 mm and 26 mm. Free shipping for many products! We also joined our local Astronomy Club and look forward to joining others under the night sky when the opportunity presents itself again. Inexpensive Plossls that are manufactured using low-quality lenses are susceptible to internal reflections when viewing bright objects at high magnification. So you ended up with: The category is over $300 and some of these are way over $300. This may be enough for many eyeglass wearers. Elena is a Canadian journalist and researcher. But for AP you should really start your planning with the mount. For modern eyepieces, the differences between Plossl and Super Plossl is going to depend on the manufacturer. In essence the design differences between Kellner and Plossl comes down to the number of lenses within the eyepiece barrel. 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. You can use the same eyepiece on planets and deep-sky objects (DSOs). So, I am going to organize the guide around five questions and four formulas. It offers good color correction and high-contrast images. It may very well last you a lifetime and in the long term, you will definitely consider it to be a worthwhile investment. Would a higher magnification eyepiece help do you think or am I already pushing my telescope (XT8) to highest sensible magnification I can with BH zoom on setting 8mm and 2x Barlow? Type above and press Enter to search. If you are on a strict budget, this is a good choice as a zoom eyepiece. Choosing the best eyepiece for you - Astronomy Now SVBONY Eyepiece Review: Take Your Stargazing Up a Notch If you are investing for the future, get the BH zoom. Get to know more about us here. I believe the 5000 UWA's are good as well. The original Meade 5-piece Super Plossl hasnt been in production for decades and at this point is more of a collectors item than a high-performance eyepiece. Nice, thank you again for the additional inputs.
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