Fujinon 10x50 FMTR-SX
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Vai al moduloFujinon FMTR-SX 10x50 – Professional Marine Binocular
The Fujinon FMTR-SX 10x50 is a Porro prism binocular designed for marine use, night observation and astronomy. The 50 mm objective lenses gather large amounts of light, while the 5 mm exit pupil maintains good performance even in low light, typical of dawn, dusk or night navigation.
Rugged, waterproof construction
The rubber-armored body is fully waterproof and fogproof thanks to nitrogen purging, and is built to withstand shocks and water pressure. This ruggedness makes it suitable for intensive use on board, even in rough seas or frequent spray.
Individual focusing and long eye relief
The individual focusing system for each eyepiece, once calibrated, provides great depth of field without needing further adjustment, making observation faster and more comfortable. The 19.8 mm eye relief is generous and makes it easy to use even with glasses.
High-quality Fujinon optics
The glass surfaces are fully multi-coated (EBC), with Bak4 prisms and phase correction for a bright, sharp, high-contrast image edge to edge. The flat-field lens design eliminates the field curvature typical of many traditional Porro binoculars.
Technical Specifications
| Prism type | Porro |
| Magnification | 10x |
| Objective diameter | 50 mm |
| Exit pupil | 5.0 mm |
| Eye relief | 19.8 mm |
| Field of view | 6°30′ (113 m at 1,000 m) |
| Twilight factor | 22.4 |
| Lens coating | Fully multi-coated (EBC) |
| Focusing | Individual for each eyepiece |
| Fill | Nitrogen |
| Waterproof | Yes |
| Fogproof | Yes |
| Interpupillary distance | 56–74 mm |
| Dimensions (L×W) | 198 × 218 mm |
| Weight | 1,430 g |
| Color | Black |
| Warranty | 30 years |
| Made in | Japan |
Included Accessories
- Objective and eyepiece caps
- Case
- Padded neck strap
- Lens cleaning cloth