ESSLNB Astronomy Binoculars 13-39X70 Zoom Giant Binoculars with Tripod Adapter Phone Adapter and Case Binoculars for Bird Watching Hunting and Stargazing
Brand: ESSLNB
Color: Gray
Description
The large binoculars deliver 10X-39X magnification, adjustable by an easy-to-reach fingertip zoom control knob.
Central focus ring is used for easy and smooth adjustment of focus. And right eye diopter ring allows you to adjust for differences between the two eyes in order to give you clearer and more real images.
You also can put our binoculars in a tripod for a comfortable viewing and we also offer you a tripod adapter in the package. By it, you can install the binoculars conveniently on your own tripod.
This sport optics equipped with carrying bag and neck strap for you to release your hands, suitable for hunting, bird-watching,sport events , sightseeing and so on.
Easy Operation Syetem for Focusing
1. Adjust the center-focus wheel until the left sight clearly.
2. Adjust the right eye lens until getting a clear image.
3. Adjust the barrels until getting a single circular field.
Specifications:
Color:Black
Magnification:13x -39x
Objective lens diameter: 70mm
Eyepiece diameter: 17mm
Prism Glass: High-grade BAK7
Prism System:Porro Prism
Exit Pupil Diameter:5.7mm@13X, 1.8mm@39X
Exit Pupil:14mm@13X, 12mm@39X
Interpupillary Distance:56 - 74mm
Field of view at 13X:(288FT/1000yds)
Diopter adjusting range:-5~+5 DIOPTER
Size: 300 x 210 x 90mm
Net Weight: 1230g

Package includes:
1 x binocular
1 x Tripod mounting adaptor
1 x Carring Bag
1 x Instruction manual
1 x lens cloth
1 x neck strap
4x lens cover
Notice: Please don't use it to see the sun directly.
Giant Binoculars:13-39X zoom magnification and 70mm fully multi-coated objective offer great brightness and higher-contrast images in low-light and long-range conditions, which has higher-contrast images and reduces color errors and distortions.
Astronomy Binoculars with smartphone adapter and Tripod Adapter:Phone adapter with rubber sucker, which can 180°angle and length adjustment,is easy to set up and take images. Tripod adapter for steady, hands-free viewing.
With the easy-to-reach control knob on your left hand,it’s more convenient and quick to change the magnification from 13X-39X. Right diopter ring can be adjusted to meet different visions requirements between two eyes.
Long eye relief is also ideal for eyeglass wearers.288ft field of view at 1000 yards offers you a wider field of view. Easier to observe fast moving objects.This zoom binocular offers you a new feeling of viewing experience.
Binoculars astronomical:Long range binoculars with 13X-39X magnification is designed for long distance terrestrial and astronomical viewing. Perfect for moon star bird watching. It's good gifts for adults on Father's Day,birthday or Christmas.