Thumb Lever 10x 30x 50mm Zoom Lens Binoculars For Garden Bird Watching
10-30x50mm Zoom Lens Binoculars BK-7 Porro Prisms 10-30x Zoom Magnification 50mm Objective
The 10-30x50mm Zoom Binocular by is a great all purpose binocular that is ideal for bird watching, sporting events, concerts, hunting, and much more. The variable 10-30x magnification range of this binocular allows the viewer to scan a large field of view and then zoom in on the selected object for a more detailed look. A zoom thumb-lever is conveniently located near the eye cups, allowing quick and smooth magnification adjustments to be easily made while simultaneously looking through the binoculars. Shock-absorbing rubber armor provides protection to the optics and creates a non-slip ergonomic design, while fully mulit-coated optics deliver an impressively clear view. The 10-30x50 Level Binoculars feature a central focusing knob that allows for smooth focusing and easy operation. These Level Binoculars come with a soft carrying case, neck strap, and a lens cloth.
Features:
Fully Multi-Coated Optics
10-30x Magnification
50mm Objective Lenses
Zoom Thumb Lever
BK-7 Prism
Fold Down Eyecups
Large Center Focus Knob
Shock-Absorbing Rubber Armor
Attachment Point for Tripod Adapter
Objective lens Coating:Red ,Blue,Green Fully Multi-Coated
Specification:
Model | BMZ1142 | ||||
Specification | 7-21x 40mm | 8-24x 50mm | 10-30x 50mm | 10-30x 60mm | 12-60x 70mm |
Magnification | 7x - 21x | 8x - 24x | 10x - 30x | 10x - 30x | 12x - 60x |
Objective Lens | 40 mm | 50 mm | 50 mm | 60 mm | 70 mm |
Eyepiece diameter | 15 mm | 15 mm | 15 mm | 15 mm | 15 mm |
Field Angle | 5.2°- 2.9° | 4.5° - 2.5° | 3.7° - 1.9° | 3.5° - 1.9° | 3.2° - 1.0° |
Field of View @ 1000m | 90 m - 50 m | 78 m - 43 m | 64 m - 33 m | 62 m - 34 m | 57 m - 17 m |
Field of View @ 1000yds | 270 ft - 150 ft | 234 ft - 129 ft | 192 ft - 99 ft | 186 ft - 102 ft | 171 ft - 51 ft |
Apparent Field of View | 36° - 61° | 35° - 60° | 37° - 57° | 35° - 57° | 38° - 60° |
Exit pupil (mm) | 5.7 - 1.9 | 6.2 - 2.0 | 5.0 - 1.6 | 6.0 - 2.0 | 5.8 - 1.16 |
Eye relief (mm) | 14 - 12 mm | 14.5 - 12.5 mm | 14.5 - 12.5 mm | 14 - 12 mm | 13 - 10 mm |
Diopter Adjustment | ±5 | ±5 | ±5 | ±5 | ±5 |
Dusk Index | 16.7 - 29 | 20 - 34.64 | 22 - 38.7 | 24.5 - 42.4 | 28.98 - 64.8 |
Relative Brightness | 32.5 - 3.6 | 38.44 - 4 | 25 - 2.56 | 36 - 4 | 33.64 - 1.34 |
Close Focus | 10 m | 10 m | 10 m | 13 m | 15 m |
Prism System | Porro | Porro | Porro | Porro | Porro |
Prism Glass | Bk7 | Bk7 | Bk7 | Bk7 | Bk7 |
Focus System | Center | Center | Center | Center | Center |
Lens Coating | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated |
Eyecups | Fold-Down | Fold-Down | Fold-Down | Fold-Down | Fold-Down |
Tripod Adaptable | Yes | Yes | Yes | Yes | Yes |
Color | Custom color | Custom color | Custom color | Custom color | Custom color |
Size (mm) | 141X71X158 | 148X72X183 | 148X72X183 | 163X76X233 | 254X125X290 |
Weight (g) | 694 g | 840 g | 840 g | 1250 g | 1470 g |
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