Bird Watching 58 Degree Porro Prism Binoculars 8x Magnification
Bird Watching 58 Degree Porro Prism Binoculars 8x Magnification
8x40mm Porro Prism Binoculars 8x Magnification Apparent Field of View 58° Bird Watching Binoculars
Apparent Field of View of 68°
Tripod adaptor for a steady and stable viewing experience
Rubber armoring provides a secure and comfortable grip, as well as added shock-resistance
Large objectives and high zoom magnification for use for far distances and low-light situations
Multiple layers on all air to glass surfaces for a brighter, higher-contrast image with less eyestrain
A: Binoculars are not only top-performance and extremely rugged, but offer multi-coated quality optics and durability.
B: 8x40 Binoculars has a Porro Prism System,
C: Whether you are out in the forest or inside an arena, have your 8 x 40 mm Binoculars.
Features:
| Features of 8x40 Binoculars Blue Lens | |||
| ● 8x High Magnification | |||
| ● 40mm Large Objective lens | |||
| ● Multi-Coated Optics | |||
| ● Fold down eye cups | |||
| ● Center Focus Knob | |||
| ● Porro Prism | |||
| ● Includes lens covers, Neck Strap and Soft Carrying Case | |||
| ● Close Focus (ft/m) 33/10 | |||
| ● Eye Relief 20 mm | |||
| ● Exit Pupil 5.00mm | |||
| ● Field of View (ft@1000yds/m@1000m) 378/126 |
| Model | BM1145L | ||
| Specification | 8x40mm | 7x50mm | 10x50mm |
| Magnification | 8x | 7x | 10x |
| Obj.lens (mm) | 40 | 50 | 50 |
| Eyepiece diameter(mm) | 23 | 23 | 23 |
| Field Angle | 7.2° | 6.5° | 6.2° |
| Field of View @ 1000m | 126m | 114m | 108m |
| Field of View @ 1000yds | 378ft | 342ft | 324ft |
| Apparent Field of View | 58° | 45.5° | 62° |
| Exit pupil (mm) | 5.0 | 7.0 | 5.0 |
| Eye relief (mm) | 15.0 | 15.0 | 15.0 |
| Diopter Adjustment | ±4 | ±4 | ±4 |
| Dusk Index | 17.8 | 18.7 | 22.36 |
| Relative Brightness | 25 | 49 | 25 |
| Prism System | Porro | Porro | Porro |
| Prism Glass | Bk7 | Bk7 | Bk7 |
| Focus System | Center | Center | Center |
| Lens Coating | Fully Multi | Fully Multi | Fully Multi |
| Eyecups | Fold-Down | Fold-Down | Fold-Down |
| Size (mm) | 185X58X143 | 196X62X170 | 196X62X170 |
| Weight (g) | 680 | 871 | 871 |
| F.A.Q. | ||||
| Q:1.Can you produce the products with our brand? | ||||
| A: We offer logo laser engraved silk-screen printing or sticker trade make on product, | ||||
| and customized package is also available. Specific details can be discussed. | ||||
| Q: 2.How how can I pay the order? | ||||
| A: Payment terms are available by Paypal, T/T or Weston Union. Specific details can be discussed. | ||||
| Q: 3. How do you control the quality? | ||||
| A: BCI - we have quality control proecess, from procurement, production, packing to shipment all | ||||
| process are under strict control and are fully traceable. |
From finding the trail less traveled to perfecting your shot — you belong outdoors. we develop optics gear to empower you to get out and experience your passion, because we love the outdoors as much as you.BCI GROUP LTD.. NEVER MISS
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