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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APEXEL 60X Mobile Phone Telescope Lens Astronomical Telephoto Zoom Lens With Extendable Tripod for iPhone Huawei All Smartphones
Aliexpress UK
Telescope for Adults & Kids, 70mm Aperture Refractor (15X-150X) Portable Travel Telescope with Phone Adapter & Adjustable Tripod, Astronomy Beginners Gifts Features: 【Great Telescope for Kids& Beginners!】 The telescope meets all the needs of astronomy beginners, the adults & kids’ astronomical journey begins from here! Equipped with 3X Barlow len and three eyepieces, H20mm, F12mm and H6mm, you can get magnification of 15X to 150X. This is a great telescope for adults astronomy beginners.Whether it's viewing planets and stars, our telescope is the best helper for adults & kids. .
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WiFi Digital Telescope,70x Zoom 1920X1080 Monocular Camera Monitor with Tripod Cellphone APP Control Support Android IOS System
Aliexpress UK
Prism material:Bak4. BAK4 prism, the image is clear and the picture is bright. Size：24 20 7.5cm. 1 Lanyard. 1 Storage Pouch. 1 Lens Cleaning Cloth. 1 Binocular.
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Nikula HD Mini Monocular Telescope 7X18 Fully Coated Optics Bak4 Pocket Concert Spotting Scope Long Range For Hunting Camping
Aliexpress UK
Upgrade your outdoor adventures with this 3000x25 Long Range HD Monocular, designed for crystal-clear viewing during camping, hiking, wildlife watching, and hunting. 3000x25 high-power long-range magnification.
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JUWEI-17 Harmonic Equatorial Mount with Narrow/Wide Dovetail Groove for Astronomical Telescope Compatible with Theodolite Mode
Aliexpress UK
High Power 21x260 Zoom Binoculars – Long Range Viewing. Experience powerful long-distance viewing with these21x260 high power zoom binoculars, perfect for outdoor adventures, bird watching and travel.
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Sky-Watcher BKP 150/750 Astronomical Telescope 150mm Metal Barrel OTA Paraboloid Reflection 150P Focal Ratio F/5
Aliexpress UK
✅ Ultra compact & lightweight design, overall size 10×9×3cm, only 170g, easy to put in your pocket or small bag, no burden for outdoor travel and daily carry.
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80x100 HD ZOOM Monocular Telescope Portable Powerful Binoculars Long Range Telescope For Hunting Camping With Tripod Phone Clip
Aliexpress UK
40x22 HD binoculars for long-distance viewing. BAK4 prism for clearer and brighter images. These40x22 HD Binoculars provide clear and bright viewing for outdoor activities such asbird watching, sports events, travel, camping, hiking, and hunting.
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APEXEL 60X Mobile Phone Telescope Lens Astronomical Telephoto Zoom Lens With Extendable Tripod for iPhone Huawei All Smartphones
Aliexpress UK
Ideal for outdoor enthusiasts and wilderness explorers, it is a handheld and must-have for bird watching, wildlife, hunting, hiking, mountaineering, camping, surveillance, and travelling. And the durable rubber armor with stripes makes it comfortable for use, non-slip grip, and durable external protection from your hand.
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80x100 High Power Monocular Telescope with Smartphone Adapter Tripod, Larger Vision Monoculars for Adults with BAK4 Prism & FMC
Aliexpress UK