🌙 Tired of swapping multiple eyepieces mid-observation, losing focus, or struggling to get sharp, detailed views of the Moon and planets? The SVBONY SV215 1.25" 3-8mm Planetary Zoom Eyepiece is your all-in-one solution! Replace a full set of high-power fixed eyepieces with one versatile tool—delivering crisp, high-contrast views across a 3-8mm zoom range, staying parfocal as you adjust magnification, and fitting all standard 1.25" telescopes. Spend less time fumbling with gear and more time enjoying stunning lunar and planetary details, whether you’re a beginner or an intermediate stargazer. ✅Constant Field of View: 56°The parfocal zoom eyepiece ensures that there is no need to break away form your observing to change the focal length and you don’t have to refocus after changing the focal length, which brings great convenience for visual astronomy. The generous 56° FOV and smooth zoom action with click-stops at 3, 4, 5, 6, 7 and 8mm are for quick changes to precise preset magnifications. ✅Constant Eye Relief: 10mm he parfocal eyepiece features a relatively constant 10mm eye relief through the entire zoom range and it is available to get a higher magnification without eye relief sacrificing, comfortable for observing. ✅FMC Optics & Lens Edges Blackened Fully multi-coated and the high index 6-elements/ 4 groups optics ensure high light transmission, and the blackened edge of every glass reduces stray light for excellent and high-contrast images. ✅1.25” Interface & M28.5*0.6 Thread The eyepiece is threaded for a filter (standard M28*0.6 female thread) and the barrel interface diameter is 1.25” for connecting to a telescope for visual celestial astronomy, like moon, solar and planetary at a broad range of focal lengths. 🎯 Ideal Observation Targets (Lunar & Planetary Focus) This eyepiece is optimized for planetary and lunar observation—perfect for capturing fine details that standard eyepieces miss, with a 3-8mm high-power zoom range ideal for close-up views: • Moon: Sharp views of lunar craters (Tycho, Copernicus), mountain ranges, rilles, and the terminator line (where light and shadow create dramatic contrast), revealing texture and depth you won’t see with low-power eyepieces. • Planets: Clear, detailed views of Jupiter (cloud bands, Great Red Spot, and its four largest moons), Saturn (rings, Cassini Division, and Saturn’s moons), Mars (polar ice caps and surface markings), Venus (phases), and Mercury (when visible). • Other Targets: Tight double stars (e.g., Mizar-Alcor) and bright, compact star clusters (e.g., M13 Hercules), where high magnification reveals individual stars and their patterns. 👤 Who This Eyepiece Is For • Beginner Astronomers: Perfect for those new to stargazing—no need to buy multiple fixed eyepieces; one zoom eyepiece covers all high-power needs, simplifying your setup. • Intermediate Stargazers: Ideal for those focused on planetary/lunar detail—parfocal design and high contrast deliver professional-level views without the hassle of gear swapping. • 1.25" Telescope Owners: Universal 1.25" fitting works seamlessly with most refractors, SCTs, Maksutov telescopes, and dobsonians with 1.25" focusers. • Casual & Travel Stargazers: Compact, lightweight design replaces 3-5 fixed eyepieces, saving space in your gear bag for easy transport. • Glasses Wearers: Constant 10mm eye relief at all zoom levels ensures comfortable, strain-free viewing—no need to remove your glasses. |
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| Model | SV215 | SV230 | SV245 |
| Focal Length | 3mm-8mm | 8mm-20mm | 8mm-16mm |
| Apparent Field of View | 56° | 57°-72° | 63° |
| Barrel Size | 1.25" | 1.25" & 2" | 1.25" & 2" |
| Coatings | Fully multi-coated | Fully multi-coated | Fully multi-coated |
| Blackened Lens Edges | Yes | Yes | Yes |
| Eye Relief | 10mm | 17-19mm | 18-17mm |
| Parfocal | Yes | Yes | Yes |
| Clickstop Click Design | Yes | Yes | Yes |
| Rubber Eye Guard | Yes | Yes | Yes |
| Dioptrix Mounting | No | Yes | Yes |
| Filter Threads | M28.5x0.6 | M28.5x0.6 & M48x0.75 | M28.5x0.6 & M48x0.75 |
| Groups/Elements | 4/6 | 6/9 | 5/8 |
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Order Processing
Almost all of the standard orders are shipped within 1-2 business days, excluding weekends and holidays. The special orders for some customized products will take a little longer time, the specific time can be confirmed with our sales expert.
As soon as your order is ready, we’ll update the tracking number and inform you of the information. If the item you ordered is temporarily out of stock, our customer service team will reach out to you. You can choose to wait until the item is back in stock or cancel your order.
Delivery Time
Delivery time depends on destination, logistics mode and other factors.
If the products that you purchased are available in our local warehouses, we will ship them from there and it takes about 1-6 business days for delivery as usual.
If the product you purchased is in stock at our warehouse in China, we will ship it from there. Delivery time is usually 5-9 business days.
Thank you for choosing SVBONY! We have established a strict system to ensure product quality in a responsible manner. These products are safe and reliable, and you can buy them with confidence. Should you have any issues, feel free to contact us. Our professional customer support team will patiently help you resolve the problems. We sincerely apologize in advance for any trouble and inconvenience that caused you.
Return & Refund
We offer a 30-day unconditional return policy.
1. You can get a full refund when you return an undamaged product for any reason within 30 days. Just make sure all products are in original condition and provide us with relevant pictures or videos to prove it.
2. If you are not sure whether the product is in brand new condition, you can contact us first. We can help you confirm and provide a return label.
3. We will issue a refund immediately once the product arrives at our warehouse.Processing time usually takes 2-5 business days.
Warranty Time
We offer a 1-year warranty.
Guaranteed authentic, we are the official store of SVBONY brand, and the products sold are guaranteed to be authentic.
Guaranteed service, one-to-one exclusive customer service, answer all your questions and provide free professional technical support.
Guaranteed after-sales, all products purchased from SVBONY enjoy worry-free warranty, your product warranty period is one year.
If you have any questions or inquiries about our products or services, please feel free to contact us.
