- Traditional Porro Prisms
- Field-Flattener Lens System
- Anti-Reflection Fully Multicoated Optics
- Wide Exit Pupil and Long Eye Relief
- Nitrogen Filled, Fog and Waterproof
Quick Overview
- Traditional Porro Prisms
- Field-Flattener Lens System
- Anti-Reflection Fully Multicoated Optics
- Wide Exit Pupil and Long Eye Relief
- Nitrogen Filled, Fog and Waterproof
- Submersible to 6.6' for 5 minutes
- Slip-Resistant Rubber Armor
- Milspec Impact-Resistant Chassis
- Fold-Down Rubber Eyecups
- Ocular & Objective Lens Caps with Case
Product Description
Designed for versatility, the Fujinon 7x50 FMTR-SX Polaris Binoculars excel in marine use, birdwatching, and wide-field astronomy. Their waterproof construction, slip-resistant rubber armor, and long eye relief make them well-suited for use on and around water. For astronomers, the large 50mm objectives capture ample light, while the wide exit pupil ensures bright, clear views in low-light conditions. Birdwatchers will appreciate the Porro prism system, field-flattener lenses, and fully multi-coated optics, which deliver crisp details, high contrast, and true-to-life color accuracy for easier species identification.
Optical Performance
- Optimized for multiple applications – Ideal for marine use, birdwatching, and stargazing
- 7x Magnification – Provides a wide exit pupil and long eye relief for steady, comfortable viewing
- 50mm Objective Lenses – Enhance light-gathering for brighter images at dawn, dusk, or in foggy conditions
- Porro Prism System – Delivers a rich depth of field to discern object positioning
- Field-Flattener Lenses – Minimize distortion at the edges for an immersive viewing experience
- EBC Fully Multi-Coated Optics – Boosts light transmission to 95%, ensuring high contrast and accurate color representation
- Wide 395' Field of View (at 1000 yards) – Expands the scene for greater situational awareness
User-Friendly Design
- Individual Focusing Eyepieces – Allow precise, customized adjustments for each user
- Fold-Down Rubber Eyecups – Block stray light for enhanced viewing comfort
- 56-74mm Interpupillary Distance Adjustment – Adapts to different users for a tailored fit
- 23mm Eye Relief – Reduces eye strain and allows for comfortable extended use, even in rough conditions
- 7.1mm Exit Pupil – Ensures a bright, full field of view without vignetting, even on choppy waters
Rugged Construction
- Military-Grade Durability – Impact-resistant chassis built to withstand demanding environments
- Protective Rubber Armor – Provides a secure grip, even in wet or cold conditions
- Fogproof & Waterproof – Nitrogen-filled and O-ring sealed for submersion up to 7 feet for 5 minutes
- Wide Operating Temperature Range – Performs reliably from -4°F to 122°F
- Tethered Lens Caps & Ocular Rainguard – Prevents loss and protects lenses during use
Fujinon Polaris FMTR-SX 7x50 Specs
| Prism Type | Porro |
| Magnification | 7x |
| Objective Lens Diameter | 50 mm |
| Angle of View | 7.5° (Actual) |
| Field of View | 394.6' @ 1000 yd / 131 m @ 1000 m |
| Exit Pupil Diameter | 7.1 mm |
| Magnification | 7x |
| Objective Lens Diameter | 50 mm |
| Angle of View | 7.5° (Actual) |
| Field of View | 394.6' @ 1000 yd / 131 m @ 1000 m |
| Minimum Focus Distance | 32.2' / 9.8 m |
| Exit Pupil Diameter | 7.1 mm |
| Eye Relief | 23 mm |
| Interpupillary Adjustment | 56 to 74 mm / 2.2 to 2.9" |
| Diopter Adjustment | -5 to +5 |
| Focus Type | Individual |
| Fogproof | Yes, Nitrogen Filled |
| Environmental Resistance | Water-Resistant (Unrated) |
| Dimensions | 8.6 x 7.8 x 3.1" / 218 x 198 x 78.8 mm |
| Weight | 3.1 lb / 1.4 kg |
| Package Weight | 4.41 lb |
| Box Dimensions (LxWxH) | 9.9 x 9.8 x 4.1" |
| In The Box |
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