SVBONY SV135 Telescope Eyepiece 7-21mm 1.25” Zoom Eyepiece 57°-40° FMC Zoom Lens For Sale
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SVBONY SV135 Telescope Eyepiece 7-21mm 1.25” Zoom Eyepiece 57°-40° FMC Zoom Lens:
$49.99
adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal length;It could bring you a better observation experience in a comfortable situation with high-contrast imaging 18mm - 16.3mm comfortable eye relief; especially for eyeglass wearers ;designed primarily for viewing landscapes and astronomical observations of lunar surfaces; planets; nebulae; clusters; and diffuse nebulae fully multi-coated Premium eyepiece with superior edge and center sharpness than normal PLOSSL eyepieces; 6-Element 4-Group premium optical design for superior optical performance Standard 1.25" eyepiece;Equipped with a precision-made standard 1.25-inch lens barrel that is compatible with any telescope that accepts 1.25-inch eyepieces
SVBONY SV135 Telescope Eyepiece Zoom 7 to 21mm 1.25” Zoom Eyepiece FMC Zoom Lens.
Eye Relief: 18mm - 16.3mm°
Eye relief seems much more important for glasses wearers, whether you have a poor sight or wear sunglasses on a strongly sunny day. And this eyepiece’s eye relief is 18-16.3mm, comfortable for viewing with or without glasses.
FMC Optics & Edge Blackened
Fully multi-coated optics and that the edge of every glass is blackened ensure high light transmission and reduce stray light for excellent and high-contrast images.
Focal Length: 7mm to 21mm
Zoom eyepiece brings great convenience to visual astronomy that there are no swapping between eyepieces to change magnification and there is no need to break away form your observing to change the focal length. And the 6-Element 4-Group optical design for superior optical performance. PLEASE NOTE: Due to the structure of zoom eyepiece, the internals will produce a slight rattling sound when changing the magnification or shaking.
1.25” Interface & M28.5*0.6 Thread
The eyepiece is threaded for a filter (standard M28*0.6 female thread) and the interface diameter is1.25” for connecting to a telescope for visual celestial astronomy, like moon and high powered terrestrial targets at a broad range of focal lengths.
Field of View: 57-40°
Equipped with a generous 40° to 57° field of view and a non-click stop adjustment mechanism, this eyepiece allows smooth transitioning between focal lengths, ensuring that the observer can find the perfect combination of field of view and magnification that the target object and seeing conditions will allow.
Telescope TypeCatadioptric Reflector RefractorFocal Length7-21mmMPNW9105ACoatingsFully Multi-Coated-GreenMeterialMetalZoom TypeLinearLens structure6PCS / 4groupCompatible SeriesUniversalFeaturesFully Multi-CoatedCompatible BrandUniversalEye Relief:18mm - 16.3mmColorBlackItem Diameter1.25 inCompatible ModelUniversalField of view57° ~ 40°Thread SizeM28.5*0.6Weight133g / 4.67ozBarrel Size1.25"BrandSVBONYTypeEyepiece SetOverall length93mmModelSV135Interpupillary Dist15mmRubber Eye GuardYesCountry/Region of ManufactureChinaShippingReturnPaymentGuaranteeContact usShipping
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.
Return
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.
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