Description
- SVBONY 1.25-inch Prosser eyepiece is suitable for observing weak-light and dim celestial bodies such as nebulae, star clusters, comets, etc. The field of view is clear and bright, and observation is comfortable;
- Adopting true FMC full-bandwidth multi-layer coating, ensuring that each glass surface has multiple layers of coating for better image quality and the edge of the lens is matt blackened to prevent stray light interference for bright and clear views;
- M28.5*0.6 standard thread size, supports standard 1.25-inch filter adapter ring installation, with wide applicability. Standard Prosser eyepiece structure: 2 groups of 4 optical structures to ensure observation effect;
- 19mm shooting distance, convenient for long-term observation without fatigue. The inner wall of the foot cover has two matte threads, and the outer wall is chrome-plated, with a bright and smooth appearance;
- All-metal mirror structure, delicate texture, fine workmanship. Humanized environmentally friendly rubber anti-slip ring design to prevent accidental crushing.
Specifications
Model | SV131 | SV131 | SV131 | SV131 | SV131 |
Eyepiece Type | Plossl | Plossl | Plossl | Plossl | Plossl |
Focal length | 6mm | 12mm | 17mm | 25mm | 40mm |
Field of View | 48-Degrees | 48-Degrees | 48-Degrees | 48-Degrees | 48-Degrees |
Exit Pupil | 3.5mm | 9mm | 11mm | 16mm | 22mm |
Field Stop Diameter | 5mm | 12mm | 16mm | 24mm | 25.6mm |
Lens group | 2 Group / 4PCS | 2 Group / 4PCS | 2 Group / 4PCS | 2 Group / 4PCS | 2 Group / 4PCS |
Lens coated | FMC | FMC | FMC | FMC | FMC |
Side of the lenscoate | Extinction Ink | Extinction Ink | Extinction Ink | Extinction Ink | Extinction Ink |
Material | Metal | Metal | Metal | Metal | Metal |
Thread size | M28.5*0.6 | M28.5*0.6 | M28.5*0.6 | M28.5*0.6 | M28.5*0.6 |
Non-slip Cover | Yes | Yes | Yes | Yes | Yes |
Eyecup type | Rubber | Rubber | Rubber | Rubber | Rubber |
Net Weight | 48g/1.69oz | 56.8 g/2.00oz | 71.7 g/2.53oz | 83.6 g/2.95oz | 142.8g/5.04oz |
Dimension | Ø33.5x40mm | Ø33.5x43.7mm | Ø35.5x50mm | Ø35.5x61.5mm | Ø41x88.5mm |
Additional Resources
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