Steiner Military-Marine Series Binoculars - 7x50
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Product Information
Full details
The Steiner 7x50 Military/Marine Binoculars are designed for outdoor enthusiasts and professionals who need rugged, reliable optics. Their key benefit is the Sports-Auto Focus system, which provides consistently sharp images without constant adjustment, ideal for dynamic environments. A potential caveat is the fixed focus, which might not suit users who frequently switch between very close and very distant objects without needing to re-adjust. These binoculars feature a durable Makrolon housing with NBR rubber armoring, a floating prism system for shock absorption, and large 50mm objective lenses for enhanced low-light performance.
All features
| Brand | Steiner |
|---|
Extended Product Information
FAQs
How do I adjust the focus on these binoculars?
These binoculars feature a Sports-Auto Focus system. You set the focus once for each eye (from 20 yards to infinity), and they maintain sharpness without further adjustment.
Are these binoculars waterproof?
The product description indicates robust construction for harsh conditions. While they are built for durability, specific waterproof ratings should be confirmed with the manufacturer's detailed specifications. It is best to avoid submersion.
Can I use these binoculars with eyeglasses?
Yes, you can use them with eyeglasses. Adjust the eyecups by retracting or folding them down to achieve the correct eye relief.
What is the close focus distance?
The binoculars can focus on objects as near as 65 feet (approximately 20 meters).
How durable are these binoculars?
They are built with a Makrolon housing and NBR rubber armoring, designed to withstand impacts up to 11 Gs thanks to the floating prism system that absorbs shock.
What is the field of view?
The field of view is 302 feet at 1000 yards, which translates to approximately 92 meters at 1000 meters.
What is the benefit of the 50mm objective lenses?
The larger 50mm objective lenses gather more light, providing brighter images and improving visibility, especially in low-light conditions like dawn, dusk, or overcast weather.
Troubleshooting
Image is blurry or not sharp
Ensure the Sports-Auto Focus has been correctly set. Adjust both eyepieces to match your vision. Clean the lenses.
Binoculars feel loose or wobbly
The floating prism system is designed to absorb shock. Minor flex may be normal. If significant looseness or separation occurs, contact customer support.
Exterior rubber armoring is dirty
Clean the rubber armoring with a damp cloth. For stubborn dirt, use mild soap and water, then rinse and dry thoroughly.
Difficult to see in low light
Ensure objective lenses are clean. The 50mm lenses are designed for low light, but extreme conditions may still limit visibility. Verify focus is sharp.
Pros and Cons
Pros
- Extremely durable construction withstands harsh conditions and impacts.
- Sports-Auto Focus system simplifies viewing, especially for moving targets.
- Excellent low-light performance due to large objective lenses.
- Comfortable to hold with effective rubber armoring.
- Wide field of view enhances situational awareness.
Cons
- Fixed focus (Sports-Auto Focus) requires initial adjustment and may not suit all viewing distances instantly.
- Bulkier design compared to compact binoculars.
- Initial focus setting must be precise for optimal performance across all distances.
- Not ideal for astronomical observation where variable focus is crucial.
Setup, Compatibility & Care
Setup:
- Adjust the eyecups: Extend or retract them to match your eye relief, especially if you wear glasses.
- Set the Sports-Auto Focus: Look at a distant object (over 20 yards/meters) and adjust the diopter on one eyepiece until the image is sharp. Repeat for the other eyepiece. Once set, the binoculars will maintain focus from 20 yards to infinity.
Compatibility:
These binoculars are designed for general viewing and do not require electronic compatibility. They are compatible with most users, including those who wear eyeglasses (with eyecups adjusted appropriately).
Care:
- Clean lenses with a soft, lint-free lens cloth or specialized lens wipes. Avoid using abrasive materials.
- Use a soft brush to remove dust from the exterior.
- Store in a dry, protected place, preferably in the included case, when not in use.
- Avoid submerging the binoculars unless specifically rated for waterproofing (check product specifications if available).
- Protect from extreme temperatures.