The 66-degree AFOV of the Gold Line series provides a 32% wider field than Plossl eyepieces. You can read a thorough review of Goldline eyepieces here. Gold line eyepieces are available in 6mm, 9mm, 15mm, and 20mm focal lengths. I have had a good experience with the SVBony brand and the Agena Astro brand. These companies rebranded them under their own names. They can also be found as Orion Expanse sporting a blue line rather than gold. They are all made by the same OEM manufacturer. Many brands of eyepieces are available, including SVBony UltraWide, Astromania UltraWide Angle, Agena Astro StarGuider Enhanced UltraWide Angle and others. They can be recognized by a thin gold line just below the eye cup. This series of eyepieces may provide better value in this price range. However, you may see them at higher prices for the short term. The price ranges we show here are the typical prices. These will normally be higher priced and may be outside the price range we show here.įinally, the worldwide pandemic has led to shortages and price jumps on many items. Some of these series also offer 2” eyepieces for telescopes that can accept 2” eyepieces. Also, note that the pricing is based on 1.25” eyepieces. Note that the price categories are approximate, as prices can vary between retailers. 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. Recommendations – The Best Telescope Eyepieces We Know But I think you will feel more confident about your purchases and be less likely to be disappointed if you read through the guide. If you just want eyepiece recommendations and don’t care about the details, I’m adding that section right below before we go into the specifications that answer the above questions and make use of the formulas. These are things you will want to know and use. maximum practical aperture = aperture X 2ĭon’t worry about the math, as it’s simple stuff you can do with any calculator, on paper, or perhaps in your head.Focal ratio = focal length telescope / aperture telescope.True field of view or FOV = Apparent field of view (AFOV) eyepiece / magnification.
Magnification or power = focal length telescope / focal length eyepiece.How will my telescope’s focal ratio affect my purchases?.What apparent field of view and eye relief do I want?.What focal length eyepieces should I buy?.What diameter eyepieces will my telescope accept?.So, I am going to organize the guide around five questions and four formulas.Īs we go along, I will refer back to these, so don’t worry if you can’t answer the questions or understand the formulas now. I want to help you select the best eyepieces for your budget and your telescope. Most telescopes come with one or two eyepieces, which gives you one or two magnification options. However, if you want to optimize your viewing experience, you’ll need to invest in a better-quality eyepiece. By having a range of magnifications, you can optimize the image, which means you need more eyepieces.
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