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Levenhuk.com » Good to Know » Overview of Levenhuk Energy PLUS binoculars

Overview of Levenhuk Energy PLUS binoculars


New series from one of the most popular optics manufacturing companies - Levenhuk, which produces a large variety of high-quality optical instruments popular among customers all over the world.

The very first thing that catches your eye is the colorful box.

Levenhuk Energy PLUS series looks quite impressive on the table!

Levenhuk Energy PLUS binoculars provide only sharp and crystal-clear views A diverse range of models allows you to choose the right model for you! There are large powerful models as well as compact binoculars - choose the one that best fits your needs

Levenhuk Energy PLUS is a new generation of binoculars that combine the best qualities of popular Levenhuk Energy series with many new features. The main advantage of the new models is the high-quality roof prisms made of BaK-4 glass, which provides crisp, vivid images across the entire field of view.

Without more ado, I selected one of the models - Levenhuk Energy PLUS 10x50.

Levenhuk Energy PLUS Binoculars have all the necessary features: durable waterproof shell, twist-up eyecups, central focusing mechanism and diopter adjustment ring. There is nothing superfluous; it's a pleasure to hold them in the hands. Convenient case with a strap allows you to wear the tool on your shoulder.

Levenhuk Energy PLUS binoculars in frontal view Levenhuk Energy PLUS 10x50 Binoculars: back view Levenhuk Energy PLUS 10x50 Binoculars: package

Getting the binoculars out of the box, on the reverse side you can see detailed specifications of the product.

Convenient nylon pouch will protect the instrument from any harm during storage and transportation Find detailed technical characteristics on the package's backside Levenhuk Energy PLUS 10x50 Binoculars are a perfect tool for tourists, naturalists and hunters

Thick blue-green anti-reflective coating covers all optical surfaces.

All optical elements are covered with a blue-green anti-reflective coating which greatly reduces the light loss The binoculars' inside surfaces are blackened

The body inside the binoculars is blackened to eliminate reflections of light. A special thin ring is used to tighten the objectives. I always loosen it. Overtightening the lenses negatively affects image quality.

The eyecups extend to three locking positions The eyecups are designed to protect delicate optical elements

The eyecups are rigid and have three locking positions. The most convenient position is the last one since it coincides with an eye relief. The series consists of eight models, basically the mechanics is identical. The protective caps are attached to the binoculars so they won't get lost.

A strap is included in the kit - just attach it to the binoculars using these lugs The main feature of Levenhuk Energy PLUS binoculars is the high-quality roof prisms

On each side of the binoculars shell you can see special lugs for attaching a strap. The Energy PLUS 10x25 and Energy PLUS 8x25 models come without protective caps.

These binoculars are lightweight and can be held easily and comfortably for long periods in your hand Simple design and no unnecessary extra elements ensure reliable performance over a long service life

Binoculars are very light, designed for daytime viewing. The adjustment mechanism is the same for all models in the series.

10x25 - these numbers represent the power of magnification and the objective lens diameter (aperture) of the model The twist-up eyecups made of soft rubber provide exceptional comfort during observations Optics made of fully multi-coated BaK-4 glass guarantee sharp and clear images

And yet, why do we need binoculars? How to choose the right pair of binoculars that will meet our needs?

The binocular vision is very convenient, and allows studying observed objects in detail. The larger the magnification, the more details you can see; and the smaller it is, the larger the field of view will be. For nighttime observing the objective lens diameter should be larger. If you observe in daytime, the lens diamater should be smaller. That is because of the construction of the human eye: The pupil of the eye expands and contracts depending on the amount of light entering the eye.

Using binoculars we can observe the diversity of celestial objects, natural phenomena, animate and inanimate objects. We can enjoy viewing beautiful night clouds and aurorae,and stars in the Milky Way galaxy. Below you can see beautiful images (made with wide-angle objective) of noctilucent clouds and the Milky Way. Even these photos are not able to fully convey the diversity of color and beauty of the starry world. Of course, we won't be able to see the Milky Way as it appears on these pictures, since they are made with a 2 minute exposure using modern powerful cameras. But you can definitely enjoy stunning views of noctilucent clouds and aurorae! With this series of binoculars such astronomical objects as large open clusters, star fields, moonrises and moonsets will become available for you in all their glory.

CAUTION:

Do not look at the Sun through binoculars! It can result in permanent eye damage.

The stunning view of the night sky above the river The Milky Way reflected in the river An incredible view of the Milky Way galaxy as it seen from Earth

To select the right pair of binoculars let's compare different models.


Comparison of Levenhuk Energy PLUS binoculars
Model 12x50 10x50 16x42 10x42 8x42 10x32 8x32 10x25 8x25
Type roof prism
Optics coating fully multi-coated
Optics material BaK-4
Magnification, x 12 10 16 10 8 10 8 10 8
Objective lens
diameter (aperture), mm
50 50 42 42 42 32 32 25 25
Exit pupil diameter, mm 4.1 5 2.6 4.1 5.2 3.2 4 2.5 3.1
Eye relief, mm 14 17.5 11 14 17.5 14 17.5 14 14
Field of
view, yds/1000 ft
246 303 189 303 387 303 387 315 378
Close focus, ft 8.2 8.2 6.6 6.6 6.6 6.6 6.6 6.6 6.6
Eyepiece
diopter adjustment
yes
Field of view, ° 4.7 5.8 3.6 5.8 7.4 5.8 7.4 5.8 7
Waterproof shell yes
Weight, lbs 1.790 1.790 1.59 1.495 1.466 1.221 1.2 0.8 0.82
Length, in 6.4 6.5 5.4 5.4 5.4 5.1 5.1 4.4 4.4
Width, in 5.2 5.2 5 5 5 5 5 4.6 4.6
Height, in 2.4 2.4 2 2 2 1.9 1.9 1.7 1.7

Keeping in mind that with large field of view come more aberrations, I would recommend to those who value image quality most of all to choose binoculars with an exit pupil diameter of 4 mm. As an amateur astronomer I would pick 12x50 or 10x42 for myself, but as an avid angler I would prefer watching asp hunting with 8x25. Binoculars with a small increase yield close focus of 2 m, that's why they can be used for observing flowers and insects in macro mode.

To get a glimpse of the image size scale, look at the picture below. Each square on this picture corresponds to the field of view (in degrees) of binoculars models from the table above.

Binoculars' field of view is demonstrated on this picture

Focusing and diopter adjustment

Your left eye vision might be different from that of your right eye and you might need to adjust the diopter setting on one of the eyepieces. To do this, just follow this simple procedure:

  • Look through your binoculars at a distant object;
  • Close your right eye and rotate the central focusing wheel until the view is focused;
  • Now, close your left eye and observe with your right. Slowly rotate the diopter adjustment ring on the right eyepiece until the view is focused again.

Now that your binoculars are focused, you only need to use the central focusing wheel during observations.

Care and maintenance

Do not touch the optical surfaces with your fingers. You can use a soft napkin or a cleaning wipe, dipped in ether or absolute alcohol, to clean lenses. We recommend using special optics cleaning fluids from Levenhuk. Abrasive particles, such as sand, should not be wiped off lenses, but instead blown off or brushed away with a soft brush. Do not apply excessive pressure when adjusting focus, diopters or interpupillary distance. Protect your binoculars from sudden impacts and excessive mechanical force. This instrument may be used in high humidity (during rain, snowfall, etc.).

Store your binoculars in a dry, cool place away from hazardous acids and other chemicals, away from heaters, open fire and other sources of high temperatures. Do not use your binoculars for lengthy periods of time, or leave them unattended in direct sunlight.

We recommend keeping the silicate gel packet, included in the kit. During long storage, a thin white film may appear on the rubber armor. You can wipe it clean with a clean napkin. When bringing your binoculars inside from the cold - or during any drastic change of temperature, for that matter - put them in a case and allow them to adapt to the temperature of the environment. This prevents lenses from fogging.

Advantages of Levenhuk Energy PLUS binoculars

Optics features
The main feature of all Levenhuk Energy PLUS binoculars is the high-quality roof prisms. These prisms - made of BaK-4 glass - are fully multi-coated to produce exceptionally sharp and clear views in true colors.

Shell construction
Levenhuk Energy PLUS binoculars have completely waterproof shells, so you can use them even if it rains cats and dogs outside - the optics will not suffer any damage. Furthermore, the shell will even protect the optics in case your binoculars fall into water (60 seconds at 3 feet depth). The rubber armor of the shell provides for a firm grip on the binoculars, making sure they won't slip from wet hands. There is also a small bracket on the side, which allows you to attach a strap to the binoculars.

Features
Apart from delivering high-quality views, truly modern binoculars have to be easy and comfortable to use. Levenhuk Energy PLUS models have everything to make your observations enjoyable:

  • The central focusing wheel allows you to quickly focus the view in both eyepieces with a single turn.
  • The diopter adjustment ring allows you to adjust the focus of the eyepieces separately to better suit your eyesight.
  • Twist-up eyecups provide for maximum comfort during observations and are made of soft rubber that protects your eyelids from accidental bruising and cuts.
  • Eyepiece and objective lens caps will protect the optics during storage and transportation.

The kit includes:

  • Levenhuk Energy PLUS binoculars
  • Nylon pouch
  • Eyepiece and objective lens caps
  • Strap
  • Cleaning wipe
  • User guide and lifetime warranty

Accessories

Levenhuk LP10 Cleaning Pen - innovative tool that always keeps optics immaculately clean

Levenhuk LP10 Cleaning Pen
Cleaning the optical elements of your instruments is an extremely difficult task that requires a certain level of precision and expertise. Cleaning lenses, with their hair-thin intricate coatings, is even harder as you can easily damage such a thin coating just by accidentally touching it. Fortunately, there is now a tool for the job - the Levenhuk Cleaning Pen LP10 will clean all optical elements with care and ease. Learn more

Soft cleaning cloth gently removes dust and other contaminants

Levenhuk Optics Cleaning Cloth
The Levenhuk microfiber cleaning cloth was designed specifically for cleaning your optical instruments, whether they are microscopes, telescopes, binoculars, or scopes. With this soft cloth, you can carefully wipe lenses without scratching the coating. The fabric lifts dust, oil, and water without smears or streaks. Learn more

Summary

Energy PLUS binoculars are very convenient to use. They are not bulky like most binoculars, but instead are quite compact. Each Energy PLUS model can be held comfortably in the hand. With 10x magnification a monopod is required. Binoculars also may be installed on a tripod using a special adapter (not included in the kit). The shells, filled with nitrogen, protect the instrument from fogging. And finally, let's take a look at all the possible applications of Levenhuk Energy binoculars.

Applications of Levenhuk Energy PLUS Binoculars
Binoculars model 12x50 10x50 16x42 10x42 8x42 10x32 8x32 10x25 8x25
Sporting Events + * + * + ** +   +   +  
River Observations         +   + + +
Sea Observations + + + +   +   +  
Theatre             + + +
Concerts     + **     + + + +
Mountains + * + * + * + * + * + + + +
Macro       + + + + + +

* - when observing in evenings or at nights
** - when observing from considerable distance