Roof Prism Binoculars 10x42 Center Focus Long Distance Telescope with Bak4 Prism
Quick Information
| Prism Coating | prism dielectric film and phase corrected prism |
| Lens | Objective lens 4E3G / Ocular lens 5E3G |
| MOQ | 50 pcs |
| Sample | Available |
| Prism System | Roof |
Optical System
Fully Multi-coated Lens
All lens including eyepiece and objective lens are fully multi-coated, light transmittance is 95% above.
BAK4 Prism with coating process
Advance BAK4 prism with FMC coating, prism dielectric film and phase corrected prism in order to provide bright and crisp images.
Advanced ED Glass
Objective lens use advanced ED glass with abbe 90.3, lead to extra low dispersion,creat clear images.
Topping Optical System
Topping optical system with Objective lens 4E3G; Ocular lens 5E3G.
Big Eyepiece
23mm big eyepiece for more comfortable view experience.
Large Objective Lens
42mm large objective diameter for wide angle view with less film aberration.
Specification
| Magnification | 10x |
| Objective Diameter | 42mm |
| Near Focus | 2.5m |
| Field of View (1000m) | 114m/342ft |
| Field Angle | 6.5° |
| Exit Pupil | 4.2mm |
| Eye Relief | 15mm |
| Focus System | Center Focus |
| Size | 15.1x13.5x5.6cm |
| Weight | 708g |
Body Design
IPX7 Waterproof Standard
IPX7 level waterproof allow the binocular fall into 2m deep water for 30min within breaking optical performance.
Nitrogen-filled Fog Proof
100% pure nitrogen-filled lens protect clear film without fog impact.
1.5m Shock Proof
Pass factory test droping from 1.5m high which is normal using height.
Metal Body
Aluminium alloy body with hollow out shape based on ergonomics. Handle easier and stabilized.
Skid-resistance
Skid-resistance big focus wheel with perfect handle feeling. Adjust image easier.
Tripod & Mobile Holder Available
More stabilized metal screw tripod interface.
Mobile holder available for sharing exciting moment.
Twist-up Eyepiece
Twist-up eyepiece with 2 level click-stops for comfort view position quickly.
Details
1. Packing:
1) Inner Box: binoculars / wiping cloth / strap / instruction note / soft carry bag
2) Master Carton: 6 units per carton / size 41.6x26.5x26.5cm / G.W.:6.3KG
2. Customization:
1) Customized card: Thank you card for your customer
2) Accessories: Tripod / mobile holder
3) Logo: logo printing on binoculars / wiping cloth / strap / carry bag
4) Customized gift box: with your own logo and pattern
3. Payment: Accept T/T / Paypal / L/C or other payment method according to your convenience
4. Warranty: 2 years limited warranty
5. Delivery & Shipping:
Deliver
1) Production starts after down payment confirmed.
2) Order deliver after fully payment confirmed.
3) Order production time 15-30 days.
Shipping
1) For small quantity order or sample order, we suggest DHL and EMS.
2) For large quantity order we suggest shipping by sea or air way.
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ED Glass
Application
Product Tags:
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10x42 Roof Prism Binoculars Center Focus Long Distance Telescope With Bak4 Prism Images
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