🌙 Tired of swapping multiple eyepieces mid-observation, losing focus, struggling with blurry details, or dealing with uncomfortable viewing for glasses/astigmatism? The SVBONY SV245 8-16mm 63° Parfocal Zoom Eyepiece is your ultimate solution for planetary observation! It combines a high-definition 2X zoom (8-16mm focal length), 63° wide field of view, and parfocal design—delivering consistent, immersive, crystal-clear views without the hassle of frequent adjustments. Perfectly balancing portability and performance, it’s tailored for planetary observation while offering versatility for all celestial viewing needs. ✨ Core Features (Why Choose the SV245?) ✅63°wide field; covering mainstream needs with a 63° wide field; this SVBONY SV245 zoom eyepiece delivers a perfect balance of portability and performance; Enjoy consistent; immersive views without losing field of view during zooming. ✅Parfocal & click stop; this SVBONY SV245 planetary zoom telescope eyepiece features a parfocal design; eliminating the need for refocusing when changing magnifications; significantly saving your observation time.The Click Stop feature provides precise and smooth zoom operation; ideal for binoviewing. ✅1.25" & 2" dual-lens design; ultimate flexibility; with both 1.25" and 2" lens interfaces; the SVBONY SV245 universal zoom eyepiece provides unmatched flexibility for your telescope setup. ✅High-definition 2X Zoom; details crystal clear; this SVBONY SV245 universal zoom eyepiece offers you high-quality 2X zoom capabilities; bringing distant scenes instantly closer and rendering details crystal clear. ✅Precision at every turn; each focal length from 8mm/0.31" to 16mm/0.63" at this SVBONY SV245 zoom eyepiece is equipped with precise detents; ensuring smooth and accurate adjustments without any gaps. ✅Advanced Optics; the SVBONY SV245 zoom eyepiecel features 8 high-quality elements; including aspherical lenses and multi-coated optics; This cutting-edge design delivers exceptional sharpness; vivid contrast; and true-to-life color correction. ✅Say goodbye to astigmatism challenges; the SVBONY SV245 zoom eyepiece for telescope is compatible with all mainstream astigmatism correctors on the market; offering a seamless solution to visual focus issues caused by astigmatism. ✅17-18mm/0.67-0.71" eye relief; clear observation without removing glasses; 17-18mm eye relief design of this SVBONY SV245 zoom eyepiece ensures there is sufficient space between your glasses and the eye mask. 🎯 Ideal Observation Targets (Planetary Focus, Versatile for All) • Planets (Primary Targets): Crystal-clear, high-contrast views of Jupiter (cloud bands, Great Red Spot, Galilean moons), Saturn (rings, Cassini Division), Mars (polar ice caps, surface markings), Venus (phases), and Mercury (when visible). 8mm for close-up fine details, 16mm for balanced framing of the entire planet and its moons. • Moon: Sharp views of lunar craters (Tycho, Copernicus), mountain ranges, rilles, and the terminator line—63° wide field ensures you can frame large lunar regions, while zoom adjusts to focus on tiny crater details. • Double Stars & Star Clusters: Precise zoom and clear optics reveal tight double stars (e.g., Mizar-Alcor) and bright compact star clusters (e.g., M13 Hercules), resolving individual stars with ease. • Small Deep Sky Objects (DSOs): Suitable for bright, compact DSOs like planetary nebulae (M57 Ring Nebula, M27 Dumbbell Nebula), where the 8-16mm zoom and advanced optics bring out faint details without distortion. 👤 Who This Eyepiece Is For • Planetary Observation Enthusiasts: Core audience—tailored for capturing detailed planetary views, with parfocal design and high-definition zoom making it easy to focus on fine features like Jupiter’s cloud bands or Saturn’s rings. • Beginner Astronomers: Perfect for new stargazers—one eyepiece replaces multiple fixed focal lengths (8mm, 10mm, 12mm, 16mm), simplifying setup and saving money on extra gear. • Intermediate to Advanced Stargazers: Ideal for those seeking precision—click-stop zoom, advanced optics, and astigmatism corrector compatibility deliver professional-level planetary views, perfect for binoviewing setups. • 1.25" & 2" Telescope Owners: Dual-lens interface offers universal compatibility with most telescopes (Svbony, Celestron, Skywatcher) and mainstream brands—no extra adapters needed. • Glasses Wearers & Astigmatism Sufferers: 17-18mm eye relief, folding eye mask, and astigmatism corrector compatibility ensure comfortable, strain-free viewing without removing glasses or struggling with focus issues. • Casual & Travel Stargazers: Compact, portable design replaces 3-4 fixed eyepieces, saving space in your gear bag for easy transport to backyard, campsites, or dark-sky locations. |
| Click on the image to view |  |  |  |
| 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 |
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.
