Best 7×50 Binoculars For Astronomy

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Best 7×50 Binoculars For Astronomy

Looking for the Best 7×50 Binoculars in 2020? We have created a comprehensive list of excellent products from top-notch brands to meet your Astronomy requirements.

A pair of binoculars have a very wide set of applications. The importance of these devices is undeniable as they can come in handy in almost every situation. They have become a necessity for people belonging to all fields and not just astronomy because of their wide array of applications. 

The people who are fond of celestial objects and love to observe them think as they are far away from moons, planets, rings, meteors, etc., that they need high magnification binocular 15×70 and 25×100, but this isn’t true. 

The best 7×50 Binoculars for astronomy are great for observing the sky and unraveling the mysteries of the universe. The question that pops up into in your mind is, how far will you be able to see? We have got you covered. We have all the answers you need. 

We have reviewed the 10 best 7×50 binoculars for astronomy so you can choose among the best. We hope you will find it useful.

Let’s get started!

Our Overall #1 Rated Pick


Celestron Astronomy Binoculars

  • Excellent package
  • Affordable
  • BK87 Promo Prism
  • Fold-down eyecups

Celestron – Cometron Binoculars are best as they show not only celestial objects like meteors and comets but also terrestrial objects. The objective lens of 50 mm used in the binoculars can collect more light, providing a better result.

The 10 Best 7×50 Binoculars for Astronomy

In this section, we review the Top 10 7×50 Binoculars for Astronomy.

​Celestron Astronomy Binoculars

Celestron – Cometron Binoculars are best as they show not only celestial objects like meteors and comets but also terrestrial objects. The objective lens of 50 mm used in the binoculars can collect more light, providing a better result.

A lengthy exit pupil is very useful in the nighttime and provides a low light session. Multicolored optics is best for binoculars with high resolution and contrast. The product has an aluminum housing, which is durable and robust. The product is black, adding more charisma.

The product package contains objective covers, lens cloth, carrying case, instruction manual, eyepiece covers, and eyepiece covers. A tripod is also with the product which can be used in the long term sessions. The product is water-resistant, so you need not worry about extreme weather and damp places.

PROS

  • Excellent package
  • Affordable
  • BK87 Promo Prism
  • Fold-down eyecups
  • Aluminum Housing

CONS

  • Not have many features like expensive products

​Nikon 7239 All- Terrain Binocular

A binocular which has sharper colors, brighter, crisp, and drastically improved low-light performance is none other than Nikon Action 8×50 Extreme All-Terrain Binocular. The best features of the product are Monarch ATB 42mm Multilayer Prism, which is dielectric and highly reflective, providing us with a better image and the 17mm eye relief.

The bak4 Porro prism makes the product more unique. The product can be taken everywhere because of its ruggedness and strength. It is 100% both fog proof and waterproof. It has a rugged rubber Armor enhancing the durability that is helpful in extreme weather. The product has a warranty of 25 years

PROS

  • Bright and clear image
  • Sharp image
  • Fully rubber armored
  • Multiplayer prism
  • Bak-4 Porro prisms
  • Waterproof
  • Fogproof

CONS

  • Expensive

​Orion 09332 Yard Linear Binoculars

The Orion 09332 Scenix Wide 7.1 Degree Field 1000 Yard direct view Binoculars is best for viewing celestial and terrestrial subjects. It is the right choice for stargazers. The objectives us3ed are multicolored, providing clear, crisp, and bright images.

The BAK-4 Porro prisms are used in the product ensuring maximum light to be captured. The 7×50 Orion Scenix binocular is black and has an eye relief of 20 mm. The housing is made up of durable metal, proving it to be rugged and robust.

The focus type is mainly centered on focus mechanisms. It also has a 14-foot close focus and Wide 7.1-degree field of view. The whole product package includes a deluxe wide neck strap, case, and a tripod, which doesn’t have a pin package but is recommended for long term sessions.

PROS

  • 7mm exit pupil
  • 7.1-degree field of view
  • Comfortable vistas
  • Excellent package
  • Tripod adaptable with an optional tripod adapter
  • A quick, smooth central focus

CONS

  • Not for children

​Nikon 8247 ACULAN Binocular

Nikon 8247 ACULON A211 7×50 Binocular is very lightweight and has superior ergonomics. When using for a long time session, the Turn-and-Slide Rubber eyecups are helpful. An Arsenic-free spherical-eco glass that has multi coated lenses is used in it.

The BAK4 Porro prism works in ACULON A211 binoculars captures maximum light and produces a high quality bright and clear image making the binocular efficient from day till night.

The product has a central focus type, which makes it easy for the user to handle. The gripper is made up of rubber, benefitting the user in rain and damp places. It is mainly used in camping, hunting, traveling, etc. the product is efficient and economically reasonable.

PROS

  • A quick, smooth central focus
  • Turn-and-Slide eyecups
  • Multilayer-coated optics
  • 7mm exit pupil
  • Mid-range magnification
  • Tripod adaptable (with optional tripod adapter)
  • Affordable price
  • Fully rubber armored
  • Aspherical eyepiece lens elements

CONS

  • Heavy\

​Steiner 575 Marine Binoculars

Searching for autofocus binocular? Then, you are in the right place. The product has 7x magnification, 50mm objectives, and a bright and clear image guarantee.

The product is beneficial for your active life in the marine hunt and to view celestial objects. The product has a unique design and has a robust structure that can bear extreme weather and ergonomic ridges. The pads are also made up of rubber and have a firm grip.

The eye focus is 20 mm, and Porro prism is used to capture maximum light. The Steiner Marine 7×50 Binoculars has a lifetime warranty on repair and replacement because they are sure of the product durability.

PROS

  • All-weather reliability
  • Excellent package
  • NBR Long Life Rubber Armoring
  • Unmatched clarity
  • Lens coating
  • High contrast optics
  • Lifetime warranty
  • Autofocus

CONS

  • Expensive

​Mentch Military Marine Binoculars

Mentch 7×50 HD Waterproof Military Marine Binoculars are best for military, marine, and astronomy purposes. It has a 6.8mm exit pupil, 23 millimeters eye, and field of view is 396 feet at 1000 yards. It is waterproof and fog proof. It is easy to handle and durable.

Premium BAK4 prism provides us with clear and bright images with the help of a multi coated lens. The product is an adaptable tripod providing more stability. It has an illuminated inbuilt compass to show the direction and internal rangefinder reticle to determine the size and range. 

The rubber armor can absorb shock. The products package includes one Lens cloth, one Binoculars, one Strap, and one Carrying bag.

PROS

  • Illuminated compass
  • Rangefinder
  • Perfect for marine
  • Clear and bright image
  • Suitable for day and night
  • Weather-resistant

CONS

  • Slightly heavy

​Nikon OceanPro Binoculars

Do you have weak eyesight and wear glasses? Don’t worry. We have chosen this product only for you. Nikon Waterproof Binoculars are central focused and easy to use. It has a long eye relief of 22.7 mm, which is perfect for those who wear glasses.

The polycarbonate rubber-armored can absorb shock with nylon floating straps. The product is 100% waterproof and fog proof. A maximum 7.1 mm exit eye pupil helps you see the moving object. The product has a large field view of 378 ft.

PROS

  • Fold-down eyecups
  • Polycarbonate construction
  • Lightweight
  • Shock absorbent grippers
  • Easy to handle

CONS

  • Without Compass

​Roof Prism Binoculars for Adults

Are you into stargazing and want a professional yet affordable binocular? Then, you are in the right place. Roof prism binocular for adults is what you are looking for.

The lens used is of aspherical design, and multicolored layer coating on it provides maximum light to collect, producing a clear, bright image to view. The product covers a large field of view of 367ft/1000yds. The eye relief of the product is 17 mm. 

The shock absorber rubber armor provides safety and can withstand extreme weather conditions. Color fidelity and minimum distortion are attained by placing the correct coating. To balance the vision of our eyes, the Diopter system is used.

PROS

  • Lightweight
  • Affordable
  • Durable framework
  • Weak light vision
  • Quality optics

CONS

  • Not favorable to use in utter dark places

​Bushnell Marine Binocular

The Bushnell Marine Waterproof Binoculars are well known for their HD clarity result. Just think what it would be like to watch stars in your HD quality binocular? It would seem like a dream come true!

The product material is very durable and has been tested several times. It is designed in a way to last longer than others. The blue color enhances the charisma of the product. Bak 4 prism is used to collect maximum light, and multicolored layers are coatings used on it to increase the brightness of the image. 

It has non-skid and non-slip rubber, which is accessible to hold, less prone to scratches, and is easy to clean. It has a fog-free, and waterproof feature, so it is used in the marine hunt. It is resistant to saltwater corrosion.

PROS

  • Fold-down eyecups
  • Hermetically sealed
  • 7.1 mm exit pupil
  • Lens UV protected
  • Tripod adjustable

CONS

  • Have to focus each eyepiece separately

Meade Instruments Travel Binoculars

Meade instruments 125002 travel view binoculars are very affordable. Anyone who loves stargazing can buy this product and have a great experience at an affordable rate. It is black and has BK 7 Porro prism, which assists in producing a clear, bright, and high-resolution image.

The rubber material on armors protects it from scratching and helps the holder as it is easy to grip it in any weather condition. The product includes a neck strap padded case and cleaning cloth to safeguard it in mint conditions.

PROS

  • Affordable
  • Durable
  • Compact size
  • High resolution
  • Rubber armoring
  • Great assisting package
  • Coated optics

CONS

  • Poor collimations

Buying Guide

There are innumerable properties of a binocular, and thus, distinguishing between the quality of these devices gets a little difficult. As humans, while buying binoculars, a lot of unknown and complex knowledge is thrown at us in the description of these devices. 

So, to help you decipher the information present on the internet about these magical devices, we have created this buying guide featuring every aspect of a binocular discussed in detail to help your way through the market of optical devices. 

Aperture 

The diameter of the objective lens that is placed at the distal end of the binocular is called the aperture. It is evident that the wider the objective lens, the greater number of lights it will be able to collect. As the light rays are used to construct a variable image at the focal plane, the greater number of light rays is directly proportional to a higher quality image. 

To determine the exact aperture size of the binocular you are willing to purchase, you will not have to search a lot. To find the diameter of the objective lens, locate the two numbers mentioned in relation to the magnification power. 

The second and higher number, in the context of 7×50 binoculars, 50 represents the width of the objective lens. Not only does a greater width of an objective lens result in the higher quality picture, but it also creates better images while in dark conditions as it can gather as many lights from its surroundings as possible.

 If your work or passion requires you to use binoculars at night then, we would suggest purchasing those with greater width, especially if you are planning to locate constellations in the dim night sky. 

Magnification Power

The main job of a binocular is to zoom into objects and make them appear larger than their original size in relation to the distance in the eyepiece of the device. So, this quality is the most sought after when purchasing a binocular, especially when the device will be subjected to viewing as faraway subjects as those of astronomy. 

The first number mentioned in the primary information about binoculars is mentioned to represent just this point. Such as in this context, in 7×50, the 7x represents the magnification power of the binocular. It is pretty simple to understand as we read about many optical devices as how many times they can magnify a certain object while producing a clear image. 

The ‘x’ represents times as in multiplied by, and the number ‘7’ is how many times the image will be magnified before being projected into the eyepiece. In very simple terms, a 7x binocular makes an object look seven times closer to the unaided human eye. 

The magnification range is often termed as the power of the binocular. As most of us have heard, with great power comes greater responsibility, with higher power ranges, there are certain consequences. For example, with increased magnification power, the field of view gets dimmer, and vice versa, and so the image produced is darker as compared to the normal light field. 

Secondly, with a higher power, it is extremely crucial to hold the binocular still to get desired clear results. However simple it may sound, in reality, it is pretty difficult to hold it steady, so such high-powered binoculars are only suggested to professionals. 

Clarity of Image

One of the very tricky concepts of optics that is applied to this miraculous device is the close focus distance. The close focus distance means that the closest object that the optical device will be able to view with all of its features distinctly and clearly. 

Not only does this aspect give a clear idea of the range of field of view of a binocular, but it also determines the quality of the image that will be produced at the other end. The in-depth detail of any image captured from any distance in a binocular depends upon the close focus distance. 

With shorter close focus distance, the quality of the results is drastically improved, and so we can say they have a direct relation. 

Size of Exit Pupil

Firstly, let’s clear up the misconception that the eyepiece and the exit pupil are the same things in relation to their size. The exit pupil cannot be farther in relation to the size of the eyepiece. Essentially, the exit pupil is the determinant of how much light will be received by your eye through the eyepiece. 

The size of the exit pupil determines how much light will be projected into your pupils and not the eyepiece. It is very easy to determine the size of the exit pupil; you only have to divide the size of the objective lens to the magnification power. 

So, in this context, the equation becomes 50/7=7.1, and 7.1 mm is the size of the exit pupil of the binoculars mentioned above in our product reviews. 

The significance of the size of the exit pupil is such that the greater the size of the exit pupil, the more light will be projected into your pupil and so a brighter picture will be created in your occipital lobe. The importance of the exit pupil is often recognized at night time as basic biology indicates that the size of the human pupil increases at night as a mechanism to be able to see better with decreased light. 

The dilatation of the human pupil often increases in size so much so that it exceeds the size of the exit pupil of a binocular, rendering them useless as only a little amount of light can enter the pupil due to its increased size. 

A typical human eye can dilate up to 7 mm under normal conditions, but as we age, the limit of dilatation is restricted. It is essential to keep this information at the back of your head before purchasing a set of binoculars. 

Field of View

The field of view is the definitive factor of a binoculars area coverage. It is often mentioned in degrees, but it can also be described in terms of yards or feet. The limit of the field of view is set according to the magnification power and the diameter of the objective lens. 

A higher magnification power loosely translates to a smaller field of view. But this is not a limiting quality in terms of results produced by binoculars. This feature only increases precision and is associative of all other aspects of a high-powered binocular.

It is better to identify the spot where you want to target your binoculars and then start watching and so adjust the power just according to the area you want to view; otherwise, using constantly moving binoculars can render you dizzy because of oculomotor reflexes of humans.

Accessories

The accessories are an essential part of the entire packages that includes a pair of binoculars. Many objects enhance the practicability of binoculars as they help in the easement of the burden that is otherwise exerted on human abilities. 

First of the many of them is the simplest of all, a neck strap, this naïve accessory relieves off the stress of holding the binoculars in hand for a long time. Also, this little accessory protects the delicate device as it saves it from accidental slipping and falling. 

Secondly, the most valuable accessory in terms of using binoculars for astronomical purposes is a tripod stand. We cannot stress the importance of a tripod stand in the case of binoculars as it solves so many smaller, seemingly unrelated problems. 

A tripod stand relieves one off of the stress of holding the device in hand and provides it a steady, stable, and safe base. Also, a tripod stand can be adjusted once and for all to provide worriless viewing to even those with trembling hands, so the issue of keeping the field of view clear and the device steady gets solved. 

Another essential accessory is a protective case and lens cover, as it is pretty evident that a binocular is a very sensitive and delicate device, and any exertion of force on them or a great amount of shock can render them useless. 

If any of the components within the delicately placed system gets loose or misplaced, the device could face devastating aberrations. Thus, making a protective case one of the most vital accessories of all. A lens cover is made to protect the objective lens from any surface scratches as any decrement in the quality of the surface can drastically decrease the quality of experience. 

Cost

Without extending the point more than it should be, it is pretty obvious from all the advanced specs and the quality of the image a 7×50 binocular produces that the price range of these devices is not going to be shallow. 

Any brand that is offering these binoculars does not go below a hundred dollars as a selling price. For this reason and the quality of features, these binoculars are only recommended to professionals.

Final Words

With the help of binoculars, even the far away and distant things become extremely close. The presence of binoculars only helps our stance of learning all that could be learned and invokes the true voyager inside of us that wants to unravel all truths of the universe, let them be on land or in space.

With the help of the best 7×50 Binoculars for Astronomy, you can unravel the mysteries of the universe easily.

Happy Star Gazing, People!

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