Design benefits
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Easy transport
Includes a carrying case and a comfortable neck strap
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Magnification
Observed objects appear to be 10 times closer
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Robustness
Withstand being dropped from 1 m onto soft ground. Scratch-resistant lenses
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Image quality
Spotting far off animals and observing in detail even at dusk.
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Field of vision
Observe a wide stretch of ground, at a distance of 100 m to 1000 m
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Weight
Lightweight and compact, they can be taken anywhere, 660 g
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Waterproof
Don’t worry about rain – waterproof and sealed, have undergone submersion tests
Design details
Features
Dimensions: 150x130x50 mm
Exit pupil: 4.2 mm
Brightness index: 17.6
Twilight factor: 20.5
Field of vision: 100 m to 1000 m distance
Closest observation point: 5 m
Waterproof and anti-fog: nitrogen-filled
Lens treatment: FMC (Full Multi-Coated)
Prism: Silver BaK4
Fibreglass-reinforced ABS plastic body.
Image quality 1
When light passes through the binoculars, it loses some of its intensity. Each lens absorbs a proportion (a few percent) of the light passing through it. With 10 optical components, the quantity absorbed becomes significant. This requires a treatment to be applied to each component to reduce the proportion absorbed. But every treatment represents a cost. And the more effective the treatment, the more expensive it is. Binoculars are therefore designed to carefully balance effectiveness and price.
Image quality 2
The binoculars have a BaK4 prism with a silver coating and lenses with an FMC treatment: Full multi-coated – all the surfaces are fully multi-coated for an optimal light transmission.
These 2 features offer a light transmission of 78% as well as excellent contrast and colour rendition during the day, and excellent brightness at dusk. The prism provides sharply defined images for observing details.
Waterproofing
Binoculars are nitrogen-filled to keep water out and prevent fogging up. Withstands immersion at a depth of 1 metre for 15 minutes.
Brightness and use
For regular use in the field, and for those wanting to observe wildlife in detail, these 10x42 500 binoculars are very well suited.
Their optical performance means you can watch and hunt until dusk.
The 10x magnification and vision quality let you see the details on the animals you are watching.
Note that when holding the binoculars a light tremble may occur.
Exit pupil
A human pupil varies from 2 mm to 3 mm during the day, from 4 mm to 5 mm at dusk, and from 6 mm to 7 mm in the dark. This makes it important to choose a pair of binoculars with an exit pupil that covers your entire pupil, in order to make full use of their luminosity depending on your needs. The 10x42 binoculars have a 4.2 mm exit pupil, making them well suited to being used at dusk.
Tips for those who wear glasses and sharpness adjustment
Twist up eyecups for spectacle wearers.
For non-spectacle wearers, twist out the eyecups as far as they will go. For spectacle wearers, twist the eyecups down to the binocular body.
To obtain a clear, sharp image of the observed animal, turn the central focusing knob to the left or right until you get a sharp image.
Adjustment of dioptre compensation
To compensate for difference in visual acuity between your eyes:
Close your right eye and focus on an object about metres away using the central knob. Once the object is sharp, close the other eye and repeat the operation, this time using the dioptre correction ring located near the right eyecup. The difference between your eyes is now compensated for. You no longer need to use the dioptre correction ring.
Want to capture a memory of the scene you’re observing through your binoculars?
It’s possible! This is referred to as digiscoping. Digiscoping is the art of capturing photos of the scenes you observe through your binoculars using your smartphone. All you need is one accessory: a digiscoping adapter. You can find it in our range with the reference 8648792.
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