SVbony SV171 8mm-24mm Zoom Eyepiece สำหรับกล้องดูดาวขนาดฟอกัสเซอร์ 1.25"ทุกรุ่น - Super-wide angle 1.25'' zoom eyepiece 8-24mm allows you to change magnification power without swapping out eyepieces
- Suitable for 1.25'' focuser or telescopes, can support 1.25'' filters
- 7-elements/4-groups made of high index glass deliver sharp, high contrast vistas
- Exceptionally long 18-19.5mm eye relief range allows eyeglass wearers to enjoy the entire field of view without needing to remove the glasses
- Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal
       Specifications | Model | SV171 | | Focal Length | 8-24mm | | Eye Relief | 18-19.5mm | | Apparent Field of View | 38°-56° | | Barrel Size | 1.25inch | | Lens Structure | 7-Elements/4-Groups | | Filter Threads Standard | 1.25"(M28.5 x 0.6) | | Coatings | Fully Multi-Coated | | Blackened Lens Edges | Yes | | Barrel Safety Recess | Yes | | Eyecups | Twist-Up | | Eyecups Material | Metal | About SvBony Svbony started operation in 2009 as a manufacturer of astronomy and sports optical accessories, based in Shenzhen, China. For astronomy, Svbony offerings include a wide range of telescope parts and adapters for both visual and astrophotography. Svbony emphasize on good product quality at affordable prices, and has a distribution network across the world, with US/AU/UK/ES/DE/IT/FR oversea warehouses. Amateur astronomers world-wide recognize Svbony products to be of excellent value. Svbony also has one of the most varieties of hardware adapters for astrophotography - you will likely find a solution to a hardware connection problem you have. |