Prism material:BAK4. BAK4 prism and multi-coated lens for improved light transmission and image clarity. Keep a proper exit pupil distance with the eyepiece. If the stickers are too close or too far away, you will feel dark shadows in the field of view when observing, and you will not be able to get a complete circle of vision.
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10-300x Zoom Portable Strong Binoculars Long Range Professional Spyglass Monocular Telescope Low Night For hunting phone lens
Aliexpress UK
Look like eyeglasses. Note: If you are not aware of your vision and have never worn myopia glasses or reading glasses, your fishing friends. It can be used normally. suitable for Bird Watching, Fishing or Scenery.
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Vixen Dovetail Multi-purpose Dovetail Groove 45/60/90/120/150/180/210/240mm Guide Mirror Dovetail Plate Astronomical Accessories
Aliexpress UK
Prism: Bak4. Type: Binoculars. Night vision: Support. Field of View: 3000/30000M. Magnification: 10X.
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Svbony SV133 Telescope Filter Wheel 1.25/2 Inch Metal Filter 5 Positions for Telescope Eyepiece for astronomical telescopes
Aliexpress UK
Achieve visibility with binoculars engineered for adults passionate about exploration. Suitable for hunting, stargazing, cruise outings, and wildlife safaris, the built-in phone holder simplifies photography.
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Sky-Watcher EvoGuide 50ED EVO50ED APO 50/242mm Guide Scope Doublet Refractor Telescope FinderScope Accessories For Astrograph
Aliexpress UK
That's because our product can provide great help in bird watching, sport matches, concerts, hiking, climbing, hunting, and etc. - Suitable for hiking, climbing, bird watching, hunting, sport matches, concerts, and etc.
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Angeleyes UHC Light Pollution Blocking Filter, Urban Pollution Filter, 1.25 ", Astronomical Telescope Accessories
Aliexpress UK
These high-power zoom binoculars are built for anyone who enjoys seeing the world in detail. Whether you’re watching scenery, observing wildlife, or exploring the night sky, these binoculars give you clear and steady viewing.
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EYSDON 5X Barlow Lens 1.25" Metal Fully Coated Focal Length Extender For Astronomical Telescopes With M42 Camera T2 Threads
Aliexpress UK
(1)The binoculars with compass is ideal for bird watching, walking, climbing, boating/yachting, traveling, as well as other outdoor recreations. 4)Rangefinder scale and internal directional compass with lighting switch indicate the distance or size of the object being viewed and its orientation.
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60x21 BAK4 Zoom Monocular Binoculars with Wrist Strap Mini Portable Telescope Optics Scope for Outdoor Camping Hunting Telescope
Aliexpress UK
Binocular 80x80 Telescope Powerful Low-light Night Vision Binoculars Professional Long Reach Binoculars for Hunting Professional Telescope Feature: 1.Higher Refractive Index: Low-light night vision, the refractive index of BAK4 light is higher than that of BK7, which can effectively avoid dark edges and make the image clearer. 2.36mm Large Objective Lens: The larger the caliber, the more light entering the telescope, then imaging becomes clearer and clearer. 3.HD Optical Glass Lens: The all-optical glass lens can effectively increase the light transmittance of the lens, increase the picture clarity, and enhance the color reproduction. 4.Light and Portable: Light and small, this binocular is portable for daily use. .
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APEXEL 60X Mobile Phone Telescope Lens Astronomical Telephoto Zoom Lens With Extendable Tripod for iPhone Huawei All Smartphones
Aliexpress UK