{"product_id":"svbony-sv216-3x-4-element-fully-multi-coated-barlow-lens-with-1-25-inch-interface-for-astronomical-telescope","title":"SVBONY SV216 3X 4-Element Fully Multi-coated Barlow Lens with 1.25-Inch Interface for Astronomical Telescope","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e- Each of the four elements in SV216 is fully multi-coated enhanced coatings, resulting in bright, sharp images. the lenses are edge-blackened to eliminate internal light scatter to maximize image contrast.\u003cbr\u003e- Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.\u003cbr\u003e- Increase Your Magnification Without Sacrificing Magnification Factor or Eye Relief: When using a Barlow to increase magnification, get to enjoy the generous eye relief of the lower power eyepiece, especially for eyeglass wearers or for those with fast telescopes. The distance is changed, the magnification remains the same. Can place Barlow anywhere along the optical chain between an eyepiece or a camera.\u003cbr\u003e- Includes one dust plug and one end cap.\u003cbr\u003e\u003cbr\u003e\u003cb\u003e3X Barlow Lens Specifications:\u003c\/b\u003e\u003cbr\u003e- Model: SV216\u003cbr\u003e- Barrel size: 1.25 inch\u003cbr\u003e- Magnification factor: 3X\u003cbr\u003e- Number of lens elements: 4-elements\u003cbr\u003e- Lens coatings: fully multi-coated\u003cbr\u003e- Outside length of upper body: 63.5mm\u003cbr\u003e- Insertion depth: 32.5mm\u003cbr\u003e- Max diameter excluding thumbscrew: 44mm\u003cbr\u003e- Net weight: 173g\u003cbr\u003e- Filter threads: M28.5x0.6\u003cbr\u003e- Barrel type: straight barrel\u003cbr\u003e- Compression band\/ring in eyepiece holder: Yes\u003cbr\u003e- Barrel material: aluminum\u003cbr\u003e- Number of thumbscrew: 3PCS\u003cbr\u003e\u003cbr\u003e\u003cb\u003e2X Barlow Lens Specifications:\u003c\/b\u003e\u003cbr\u003e- Model: SV216\u003cbr\u003e- Barrel size: 1.25 inch\u003cbr\u003e- Magnification factor: 2X\u003cbr\u003e- Number of lens elements: 4-elements\u003cbr\u003e- Lens coatings: fully multi-coated\u003cbr\u003e- Outside length of upper body: 2.34-inch \/ 59.5mm\u003cbr\u003e- Insertion depth: 1.55-inch \/39.5mm\u003cbr\u003e- Max diameter excluding thumbscrew: 1.73-inch \/ 44mm\u003cbr\u003e- Net weight: 7.72oz \/ 219g\u003cbr\u003e- Filter threads: M28.5x0.6\u003cbr\u003e- Barrel type: tapered barrel\u003cbr\u003e- Barrel material: stainless steel\u003cbr\u003e- Number of thumbscrew: 3PCS\u003cbr\u003e- Thumbscrew thread specification: M3x10\u003cbr\u003e- Compression band\/ring in eyepiece holder: yes\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x Barlow Lens\u003cbr\u003e- 1 x Dustproof Storage Screw Case\u003cbr\u003e- 1 x Dust Plug\u003cbr\u003e- 1 x Lens Cap\u003cbr\u003e- 1 x Cleaning Cloth\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-01.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-02.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-03.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-04.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-05.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-06.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-07.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-08.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-09.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-10.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-11.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-12.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-13.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 960px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/104610\/104610-14.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TeSeek Official","offers":[{"title":"Default Title","offer_id":48250717602028,"sku":"104611","price":40.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/9669\/3740\/files\/20260829090924_d5899bb3.jpg?v=1788170376","url":"https:\/\/teseek.com\/products\/svbony-sv216-3x-4-element-fully-multi-coated-barlow-lens-with-1-25-inch-interface-for-astronomical-telescope","provider":"TeSeek Official","version":"1.0","type":"link"}