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Wide range of capabilities in an ultra-compact body. 10x magnification power and 42-millimeter objective lens

The magnification ratio indicates the degree of proximity of an object
The lens diameter refers to the size of the front lens of the device in millimeters. The larger the aperture is, the less sensitive the device will be to external light
What monocular lenses and prisms are made of and what affects the image quality

Product ID 67740
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555001807
Package size (LxWxH) 6x19x9 cm
Shipping Weight 0.48 kg

Want to see more? Just take the Levenhuk Wise PLUS 10x42 Monocular with you! Its incredibly compact size means that it easily fits into a pocket or small purse. 10x magnification power is enough to observe considerably distant objects, and the wide field of view is perfect for panoramic observations in the field. The high aperture lenses produce bright and vivid images, even at dusk. Levenhuk Wise PLUS 10x42 Monocular is not afraid of bad weather - neither rain nor fog will hinder your observations. Whether you are walking around the city, hiking, kayaking, birdwatching – whatever you do, Levenhuk Wise PLUS 10x42 Monocular brings you more joy and excitement!

The optics of the Levenhuk Wise PLUS 10x42 Monocular are superior to those used in the world’s top binocular brands. A 42-millimeter objective lens allows you to get bright images, even in low light conditions. The optics of this monocular are made of premium quality BaK-4 glass. All optical elements are fully multi-coated; that’s why the resulting image is so sharp and clear, with great color rendition. The shell is filled with nitrogen, so the optical elements do not fog even in sudden temperature changes. The Levenhuk Wise PLUS 10x42 Monocular creates clear images in any conditions!

The monocular design ensures a high level of comfort during observing sessions. The eyepiece is equipped with an ergonomic soft rubber eyecup that efficiently cuts out any outside glare (and can also be easily removed when you don’t need it). The monocular conveniently fits in your hand and, moreover, is very pleasant to the touch. The convenient detachable strap can be easily adjusted to the size of your hand. The monocular comes in a very stylish gift box.

Levenhuk Wise PLUS 10x42 Monocular features long eye relief that makes observations extremely comfortable, especially for those who wear glasses. The excellent high power monocular is compact and easy to use. Even if you have never used an optical tool before, you will figure out how to adjust it and start observing. Look for the user guide in the kit to help you. Levenhuk Wise PLUS 10x42 Monocular can also be used to observe sports events, concerts or performances. You can be sure you will see everything in detail with the best high power monocular Levenhuk Wise PLUS 10x42!


  • High-quality glass optics
  • Multilayer coating
  • Wide field of view
  • Removable rubber eyecup
  • Nitrogen filling protects optics from fogging
  • Waterproof
  • Rubber-armored shell for a secure grip

The kit includes:

  • Levenhuk Wise PLUS 10x42 Monocular
  • Objective lens cap
  • Cleaning wipe
  • Strap
  • Pouch
  • User guide and lifetime warranty
Product ID 67740
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555001807
Package size (LxWxH) 6x19x9 cm
Shipping Weight 0.48 kg
Magnification, x 10
Objective lens diameter (aperture), mm 42
Optics material BaK-4
Lens coating fully multi-coated
Exit pupil diameter, mm 4
Eye relief, mm 13.6
Resolution threshold, arcseconds 7
Field of view, ° 5.8
Field of view, m/1000m 101.6
Close focus, m 4
Eyepiece diopter adjustment, diopters ±4
Eyecup rubber, removable
Body plastic
Body filling nitrogen
Mounting on a tripod
Moisture resistance
Hermetically sealed design
Operating temperature range,°C -15...+60
Adaptable to a tripod yes
Pouch/case/bag in set pouch
Levenhuk Wise PLUS Monoculars Video Review (20.09.2015)

Video review of the Levenhuk Wise PLUS monoculars

Questions and Answers
Rami (2023.07.21)
May I have the weight in grammes of the 3 Levenhuk Wise PLUS Monocular 10x42, 8x42 and 8x32.
Not the weight of the package but the monoculars alone.
I thing your data are wrong the 10x42 is lighter than 8x42 ???
Thank you
Customer service:
Hi Rami,

thanks for your request.

The weight of the device is usually 100-150g less than the shipping weight.

The approximate weight of Levenhuk Wise PLUS 10x42 Monocular is 380g, Levenhuk Wise PLUS 8x42 Monocular - 380g, Levenhuk Wise PLUS 8x32 Monocular -260g.

Is there any additional information you might need?
Eric Olson (2018.05.19)
Will I see from 25 cm if I buysome extrta accessory for macroviewing?or as close as possibnle ?
Customer service:
Unfortunately, we do not have such accessories in the product range of our online store.
Eric Olson (2018.05.17)
Why do the objective and eyepiece have different colors?
Customer service:
The objective lens can have a different color due to the application of anti-reflective colored layer.
Eric Olson (2018.05.10)
And what twilight numbers do 10x42 and 8x42 models have?
Customer service:
The twilight factor of Levenhuk Wise 8x42 Monocular is 18.33. Levenhuk Wise 10õ42 Monocular has 20.4.
The twilight factor is a way of mathematically describing how the size of the lens and magnification of the binoculars affect the ability to show details in low light conditions.
The twilight factor can be used to compare the effectiveness of binoculars in twilight or in the absence of light because it does not take into account the quality of lenses and prisms. The factor that determines the resolution or detail of the image depends on how much the observed scene is illuminated. In the afternoon, when the diameter of the pupil is only 2–3 mm, the resolution will be determined by the magnification. At night, when the pupil expands to 6-8 mm, the main factor is the aperture. In the twilight, both these factors play a role, that is why the twilight factor is chosen to determine the efficiency of the binocular under these conditions. The higher the twilight factor is, the greater the resolution of the binoculars when observing with a lack of light. It can be calculated by multiplying the magnification by the diameter of the aperture and finding the square root. For example, 7x42 binoculars have a twilight factor of 17.2 (7x42=294, square root of 294 ~ 17.2). This is the minimum value for successful observations at twilight. The 8x56 binoculars have a twilight factor of about 21.2. And 8x30 binoculars has 15.5, which is less than the required value for observations under low illumination.
The twilight factor is just one of many parameters, and it does not say anything about the real quality of the image, which may be crucial for observing the indistinct details of the image at dusk.
Twilight efficiency, as a rule, is determined by high light transmittance in the right spectral range, less scattering of light and high contrast and resolution as possible. You can use the twilight factor to measure the twilight efficiency of a binocular if all these requirements are met simultaneously. Before the invention of modern anti-reflective coatings, the twilight factor played a significant role. Therefore, the twilight efficiency of modern binoculars is determined not only by the twilight factor but by the quality of glass and optical coatings. Good coatings can almost double the amount of light passing through some binoculars, compared to other that don’t have high-quality coatings.
Eric Olson (2018.05.10)
10x42 and 8x32 models have the same exit pupil diameter… so what is better about 10x42 model? what gives us its higher aperture size?
Customer service:
The larger the lens diameter is, the more light that a monocular collects. The brighter the picture is and the more the angle of view.
Eric Olson (2018.05.10)
Does the monocular have one or two focusing rings?
Customer service:
Levenhuk Wise PLUS 10x42 Monocular has one focusing ring.
Eric Olson (2018.05.09)
Thank you for such an exhaustive explanation of exit pupil diameters! 10x42 model has 4mm, but there is also higher magnification in it and that’s why it’s equally good for observations in twilight as 8x42?
Customer service:
Levenhuk Wise PLUS 8x42 Monocular is better for observations in twilight.
Eric Olson (2018.05.05)
Which adapter is suitable for smartphone photographyy? Which tripod is suitable?
Customer service:
Levenhuk A10 Smartphone Adapter is suitable for Levenhuk Wise PLUS 10x42 Monocular. The Monocular has a standard thread of 1.4". It can be mounted on any photo-tripod.
Eric Olson (2018.05.01)
hi. Levenhuk Wise PLUS 10x42 has exit pupil of 4 mm. 8x42 has 5.2 mm. What exaclty gives us this difference?
Customer service:
Exit pupil is determined by the amount of light that entered the lens and emerged from the eyepiece. This is an important characteristic for evaluating how the binoculars work under reduced illumination. The size of exit pupil is obtained by dividing the lens aperture to magnification. For example, in 15x50 binoculars the exit pupil is 50/15=3.33 mm. The higher this value, the more efficiently binoculars work in poor lighting conditions. For well-lit landscapes, the pupil should be from 2.5 to 4 mm.
If you hold the binoculars on extended arms, you can easily notice the lighted circles in the eyepieces - these are the exit pupils. It is important to note that the ability to fully benefit from a wide exit pupil depends on the observer’s eyes and often on age. With age, the eye reduces the ability to dark adaptation. Teenager’s pupil can open up to 7 mm, and the elderly person only up to 5 mm. Therefore, an elderly person cannot take advantage of a wide exit pupil, but can be satisfied with a small, lighter binocular model. In the light, the human’s pupil is usually 2–3 mm, and the exit pupil of binoculars should be about 3 mm. For dark observations, you need binoculars with larger diameter of the exit pupil, because in the dark our pupils expand more strongly. The disadvantage of such binoculars is usually that they are large and heavy. Levenhuk Wise PLUS 8x42 Monocular will be more convenient for handheld observations.
Alex Kat (2018.02.07)
How long will they withstand water immersion (around 5cm depth). The thing is that during water treks the instrument can be in water for quite a long time, as I can’t hang them around the neck, there’s a bunch of important staff hanging there already.
Customer service:
Levenhuk Wise PLUS 10x42 Monocular withstands water immersion at a depth of 1 meter for about 30 minutes. Prolonged immersion in water is not recommended.
Slav (2017.10.13)
What about the model’s water resistance? Will it withstand rain, accidental fall into water?
Customer service:
Levenhuk Wise PLUS 10x42 Monocular has a waterproof shell that allows observations in fog and under heavy rain.
Anthony Burton (2017.08.09)
Hello. Can I see protozoa, single-celled organisms etc. using this microscope?
Customer service:
Yes, you can see protozoa and single-celled organisms using Levenhuk LabZZ M3 microscope.
ezra (2017.05.28)
Hello, I just bought this item and is it okay if i bend the rubber eyecup forward?
Customer service:
Hello Ezra, thank you for your inquiry.
The eyepiece is equipped with an ergonomic soft rubber eyecup that efficiently cuts out any outside glare (and can also be easily removed when you don’t need it).
Is there any additional information you might need?
Kurt Petersen (2016.04.27)
Ok, thank you, then which one is better - Levenhuk Wise PLUS 10x42 or Wise PLUS 8x42?
Customer service:
Both models are great for hiking. Levenhuk Wise PLUS 10x42 Monocular has higher magnification power, but field of view is not so wide. Levenhuk Wise PLUS 8x42 Monocular features wide field of view, but magnification is lower.
Kurt Petersen (2016.04.23)
Hello! Which one is better for hiking and travel - Levenhuk Wise 10–30x25 Monocular or Wise PLUS 10x42? Including bad weather
Customer service:
Levenhuk Wise PLUS 10x42 Monocular is a preferred choice due to larger objective lens diameter.
Don Reeves (2015.12.22)
what is a monocular used for?
Customer service:
Monoculars are used for observations of distant objects. They work the same way as binoculars, but have only one eyepiece to look through.
Gary Cox (2015.09.13)
please provide operation temperature range for this device
Customer service:
The operation temperature range for Levenhuk Wise PLUS 10x42 Monocular is 5...140 F.
Sean Mayo (2015.08.29)
Does this monocular have a 1/4" tripod thread?
Customer service:
Yes, there is a standard 1/4" tripod socket on the monocular's body.
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