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20 X 80 Binoculars

20 X 80 Binoculars

20 x 80 binoculars are designed for long-range observations and are often used for astronomy, birdwatching, or other activities that require a powerful magnification and excellent light-gathering capabilities. They are larger and heavier compared to compact binoculars and usually require a tripod or some form of stabilization due to their size and weight.

Product Introduction
Specification

 

 

BM-9036

Model

20X80

Magnification

20X

Objective Diameter(mm)

80mm

Focus System

Center

Prism Type

Porro/BAK4

Number of Lens

6pcs/4groups

Lens Coating

FMC

Angle of View

3.4°

Field of View

59m/1000m,177ft/1000yds

Exit Pupil Diameter(mm)

4mm

Eye Relief(mm)

17.5mm

Relative Brightness

16

Twilight Index

40

Interpupillary Distance(mm)

54MM~73MM

Near Focus

15m

All Weather

Yes

Waterproof

Yes

Aluminumfoil

Yes

Nitrogen Filled

Yes

Focus Range(m)

Yes

Weight

2.5Kg

 

 
Why do we choose 20 x 80 Binoculars ?

 

1.High Magnification:

The 20x magnification power allows for detailed observations of distant objects. It is particularly useful for activities like astronomy, where you want to observe celestial bodies or for birdwatching when you need to spot birds from a significant distance.

 

2.Large Objective Lens Diameter:

The 80mm objective lens diameter lets in a substantial amount of light, resulting in brighter and clearer images. This is especially beneficial when observing in low-light conditions, such as during dawn or dusk.

 

3.Versatility:

20 x 80 binoculars provide a balance between magnification and portability. They offer a higher magnification than standard binoculars, allowing for more detailed observations, while still being manageable for handheld use. However, due to their larger size and weight, they are often used with a tripod or other stabilization methods for extended viewing sessions.

 

3.Specific Applications:

These binoculars are popular among astronomers for stargazing and observing celestial objects. They can reveal more details of the moon's surface, distant stars, galaxies, and even some planets. Additionally, they can be useful for long-range terrestrial observations, such as wildlife spotting or surveillance.

 

4.Budget Considerations: While these binoculars are relatively larger and more specialized, they can be more affordable compared to higher-end astronomical or spotting scopes. This makes them an attractive option for those who want to engage in long-range observations without investing in more expensive equipment.

 

How to choose 20 X 80 Binoculars  ?

 

1.Eye Relief and Comfort:

If you wear glasses, choose binoculars with sufficient eye relief to allow comfortable viewing without having to remove your eyeglasses. Look for adjustable eyecups that can be twisted up or down to accommodate different eye distances.

 

2.Tripod Mounting:

Due to their larger size and weight, 20 x 80 binoculars are often equipped with a tripod mounting adapter. This allows you to attach the binoculars to a tripod for more stable and comfortable long-duration observations. Mounting them on a tripod reduces handshakes and fatigue, enabling you to maintain a steady view.

 

3.Eye Relief:

Eye relief refers to the distance between the eyepiece lens and your eye when the entire field of view is visible. 20 x 80 binoculars typically provide a longer eye relief, which is beneficial for those who wear glasses. It allows for a comfortable viewing experience without having to remove eyeglasses.

 

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