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URL: http://www.thaiexcite.com/SVbony-SV190-UF18mm-Ultra-Flat-Field-Eyepiece-FMC-1.25-.html
SVbony SV190 UF18mm Ultra Flat Field Eyepiece FMC สำหรับกล้องดูดาวขนาดฟอกัสเซอร์ 1.25"ทุกรุ่น
รายละเอียด
SVbony SV190 UF18mm Ultra Flat Field Eyepiece FMC สำหรับกล้องดูดาวขนาดฟอกัสเซอร์ 1.25"ทุกรุ่น
SVBONY SV190 18mm Ultra Flat Field Eyepiece delivers high quality in a very compact design. This eyepiece removes field curvature at the edge, resulting in a flat, distortion-free image, and features over-sized lenses with a large 65° field of view with 20mm eye relief. All lenses (8 lenses in 5 groups) have a broad-band multi-coating (FMC) and blackened lens edges, and the plug-in sleeve is equipped with a thread for 1.25″ filters.
- The SV190 Ultra Flat Field telescope eyepieces. With a generous 65° apparent field of view, these eyepieces provide more field of view than typical Plossl eyepieces, all the while providing a fantastic image from the center to the edge.
- The thread under the eyecup is convenient to match the camera for photography. The eyepiece can match SV406p for scenery, too.
Specifications
| Model | SV190 |
| Focal length | 18mm |
| Size | 1.25" |
| Eye Relief | 20mm |
| Lens Structure | 8-Elements/5Groups |
| Field of View | 65-Degrees |
| Coatings | Fully Multi-Coated |
| 1.25'' thread size | M28.5*0.6 |
| Thread specification under the eyecup | M42*0.75 |
| Eye Cup type | rubber |
| Field diaphragm | 23.4mm |
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.