- Flat Field Eyepiece;offer corrected field curvature;you will observe an image not just in the centre but right out to the outer edge
- Clear image;Fully multi-coated and blackened lens edges to reduce reflections; 8 lens 5 groups give you an image of high colour purity and excellent contrast
- Comfortable;65° wide field of view keeps stars planets and lunar details in focus across the field of view; 20mm eye-relief is ideal for long intensive observing sessions
- Eyecup;folded-up eyecup fit for glasses wearers or not;removing eyecup has a M42x0.75 thread for astrophotography
- 18mm eyepiece;medium power eyepiece for a bright, low power view of the moon and most all deep-sky objects
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Outstanding Lens for what you pay for
Used this lens twice now at home and at a star party and I am very impressed with its performance. Using the moon for detail really shows what it can do. I saw craters that my other lens did not catch. Very good. It is also the perfect medium power for my 2000mm, focal length telescope. For my telescope that makes about 111 power. I do not like viewing at hi power unless the conditions are perfect and at this moment in the winter with all the air currents, medium power is perfect. The eyepiece comes in a nice heavy-duty box with the caps and a lens cloth. Yes, there are threads on the barrel for filters.
Right now, it is SVBONY's best lens at $95.00 and it is worth every penny. I have seen through telescopes using Mead, Orion and other company lens and I fail to see any difference and I am saving a lot of money by buying the SVBONY products.
| 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 |
1.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.
2.The thread under the eyecup is convenient to match the camera for photography. The eyepiece can match SV406p for scenery, too.