SIGHTRON Mono B401 Sightron Monocular for Starry Sky Observation
Product details
| Management number | 239209904 | Release Date | 2026/07/14 | List Price | US$18.88 | Model Number | 239209904 | ||
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| Category | |||||||||
Compared to regular binocular or monoculars, it has a lower magnification so you can observe a wide range of stars. The low magnification and 40mm aperture objective lens allow you to observe dark stars compared to the naked eye. Made of solid aluminum with CNC machining. It holds the optical axis firmly and allows for comfortable observation. Multi-layer coating on all air contact surfaces of the lens. Provides a bright field of vision with minimal light loss due to reflection on lens surfaces. Comes with a special semi-hard case for portability. Depending on your eyesight, there may be no limitations. We recommend viewing at least 1.0 vision.
- Magnification: 2x
- Objective lens diameter: 1.6 inches (40 mm)
- Lens Coat: Hooley Multi-Coated
- Eye relief: 0.4 inches (10 mm)
- Minimum focusing distance: Approx. 6.6 ft (2 m)
- Product Size: Approx. 2.1 x 1.5 inches (53 x 37
- Weight: Approx. 4.1 oz (110 g)
- Accessories: Dedicated case, instruction manual (English language not guaranteed)
| ASIN | B07889HKYS |
|---|---|
| Brand | SIGHTRON |
| Mount | Altazimuth Mount |
| Coating | Multi-Coated |
| Focus Type | Independent Focus |
| Unit Count | 1.00 Count |
| Zoom Ratio | 2 multiplier x |
| Finderscope | Reflex |
| Item Weight | 110 Grams |
| Manufacturer | Sightron(サイトロン) |
| Model Number | B401 |
| BuiltIn Media | Main unit, case |
| Additional Features | Compact Design |
| Age Range Description | Adult |
| Objective Lens Diameter | 40 Millimeters |
| Focal Length Description | 40 millimeters |
| Manufacturer Part Number | B401 |
| Item Dimensions D x W x H | 2.09"D x 2.09"W x 1.46"H |
| Eye Piece Lens Description | Multi-Coated |
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