Bak4 Porro Prism Binoculars 20X50 Skymaster Astronomy Binoculars
Amazon Hot Sale What Are Porro Prism Binoculars Porro Prism 10X50 Skymaster Astronomy Binoculars Bak4 Porro Prism
20X50 Porro Prism Binoculars Features:
- Designed with 20X power magnification
- 50mm large objective lens and 367ft/1000yds large field of view good for fast moving
20X50 Porro Prism Binoculars Descriptions:
- This binocular uses the BAK4 FMC Lens,its FMC(fully multi-coated) film aspheric lens provides superior light transmission.
- It can be used at night, but not in complete darkness. Suitable for concerts, opera, sightseeing and astronomical viewing.
- Diopter System adjusting the imbalance vision of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus.
- With fog-proof coating prevents moisture, dust and debris from getting inside the binoculars. but also perfect for outdoor activities such as climbing, hiking, travelling, watching wildlife and scenery.
Specification:
| TYPE | 10X50 |
| BODY STYLE | SEMI-AROMATIC THERMOPLASTIC BODY |
| POWER | 7 X ± 5% |
| OBJECTIVE DIAMETER | Φ50mm ± 1mm |
| FIELD ANGLE | 6.6° ± 5% |
| FIELD OF VIEW(at 1000m/at 1000yds.) | 115m/345ft |
| EXIT PUPIL DIA. | Φ7.0mm ± 10% |
| NEAR FOCUS | 7m |
| EYE-RELIEF | 27.4mm |
| RELATIVE BRIGHTNESS | 49 |
| OBJECTIVE LENS | 2E1G |
| OCULAR LENS | 3E2G |
| PRISM | PORRO |
| OPTICAL MATERIAL | ALL LENS AND PRISM ARE MADE OF OPTICAL GLASS (PRISM: BaK4) |
| COATING CONDITION | ALL LENS - FULLY COATED |
| SURFACE TREATMENT | RUBBER PAINT AND RUBBUE |
| RESOLVING POWER | 5.6" |
| FOCUSING SYSTEM | CENTER FOCUS |
| FOCUSING ADJUSTMENT | -4 TO +5 DIOPTER |
| OCULAR ADJUSTMENT | -2 TO +2 DIOPTER |
| ADJUSTABLE EYE PUPIL | 56--72 mm |
| EYECUPS | RUBBER FOLD-DOWN EYECUP |
| ACCESSORY | SOFTBAG, STRAP, LENS CLEANING CLOTH, DESICCANT. |
Warranty
Two years warranty.
Our Service
OEM/ODM/Private Label is welcome!
1. Customized outlook design is available
2. Customized information cards for your customers
3. Customized color box with your own logo & pattern available
4. Logo printing on binoculars (free) / cleaning cloth / carrying bag / strap / color box
FAQ
1. Are your company a manufacturer or trading company?
We are well-experienced manufacturer specialized in producing binoculars,rifle scopes, monocular, spotting scope, astronomical telescopes, optics accessories etc., for more than 15 years.
2. What's your payment method?
We usually accept the payment methods include T/T (Bank Transfer), Western Union, paypal and MoneyGram. Payment methods can be adaptable to your specific requirements.
For different countries, the payment methods we accept varies from each other.
3. What's your shipping method?
We provide comprehensive shipping methods.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.