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William Optics SWAN 40mm 2-Inch Eyepiece, 72
4.9 (94 items)
Limited Time SaleUntil the end
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59
57
US$74.24 cheaper than the new price!!
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Used US$49.50
Product details
| Management number | 212171708 | Release Date | 2026/04/06 | List Price | US$49.50 | Model Number | 212171708 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Please refer to the existing page.
- Focal Length: 1.6 inches (40 mm)
- Lens Composition: 5 pieces in 3 groups (fully multi-coated)
- Vision: 72°
- Sleeve Diameter: 2 inches (50.8 mm)
- Eye Relief: 1.1 inches (28 mm), Weight: 19.2 oz (570 g), Made in Taiwan
| Brand | AstroStreet |
|---|---|
| Mount | Tripod Mount |
| Coating | Fully Multi-Coated |
| Focus Type | Manual Focus |
| Model Name | WO-E-SWA40 |
| Finderscope | Reflex |
| Item Weight | 570 Grams |
| Manufacturer | ウィリアム オプティクス |
| Model Number | 466110 |
| Power Source | Manual |
| Field Of View | 72 Degrees |
| Compatible Devices | Telescopes with 2-inch focuser and 1.25-inch adapter |
| Additional Features | High-quality, fully multi-coated lens design with additional features for improved performance |
| Exit Pupil Diameter | 40 Millimeters |
| Objective Lens Diameter | 40 Millimeters |
| Focal Length Description | 40 millimeters |
| Manufacturer Part Number | 466110 |
| Eye Piece Lens Description | The eyepiece lens is a five-element design with fully multi-coated lenses, blackened edges, and internal field stops for high contrast and light transmission. |
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