ThaiExcite
88/41 Kanlapapruek Road, Bangkae, Bangkae, 10160, Bangkok, ประเทศไทย
ติดต่อสอบถาม: 081-239-3299
อีเมล์: info@thaiexcite.com
URL: http://www.thaiexcite.com/SVBONY-SV106-Guide-Scope-50mm-with-Helical-Focuser-SVF9177A1-pr-2556.html
กล้องไกด์ SVBONY SV198 Guide Scope 50mm พร้อม Helical Focuser
รายละเอียด
รายละเอียด
SVBONY SV198 Mini 50mm Guiding Scope with Helical Focuser
The SV198 50mm aperture guide scope with built-in dual helical focuser is known for its versatility and lightweight. These make SV198 a perfect tool for guiding, searching and spotting. The fully multi-coated (FMC) achromat glass brings excellent sharpness and color. It could also be used as a right-angle correct-image (RACI) optical finder scope (Eyepieces and Prism Diagonal sold separately).
SPECIFICATIONS
| Model | SV198 |
| Type of Optics | Achromat Refractor |
| Lens Structure | 2-Elements/ 1Groups |
| Tube material | Aluminum |
| Aperture | 50mm / 1.97in |
| Focal ratio | f/4.1 |
| Focal Length | 206.6mm / 8.13in |
| Coating | Fully multi-coated |
| Blackened Lens Edges | Yes |
| Focuser | Dual Helical + Telescopic Design |
| Dual Helical Focuser Focusing stroke | 11mm |
| Focusing seat accuracy (Dual Helical Focusing) | 0.1mm |
| Rough Focusing stroke | 38mm |
| Focusing seat accuracy (Rough Focusing) | 1mm |
| Connection thread to Eyepiece | 1.25" and T2 |
| Base installation type | Vixen standard interface |
| Tube diameter | 55.5mm |
| Dew cap diameter | 58mm |
| Total Length | 223mm |
| Net Weight | 770g / 28.1oz |
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.