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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TeSeek CYCK Telescope Parts Modification Kit with Optical Axis Terminator for Sky-Wathcer 200mm Telescopes（As option shown ）
Aliexpress UK
Ideal for hiking, travel, bird watching, or outdoor events. • Model: 8x22. • Suitable for travel, hiking, and sightseeing. • Fully coated K7 prism optics provide superior brightness and contrast. • Near Focus Distance: 4m.
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Camera Telescopes Car Window Mount Clip Adapter For Spotting Scope Monocular Telescope Bracket Clamp Night Vision Thermal Imager
Aliexpress UK
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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SVBONY Telescope Filter Broadband City Light Reduction Filter 1.25''/2'' Filter for Deep Sky Visual Astronom
Aliexpress UK
BAK4 prism and multi-coated lens for improved light transmission and image clarity. Central focusing knob for smooth operation. Color: Black. Magnification: 10x.
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ALLFOCUS 150X Astronomical Telescope , 70mm Aperture Refractor Portable Travel Telescope with Phone Adapter &Wireless Remote
Aliexpress UK
[Versatile to Use & RISK FREE]- This binoculars are designed for birding watching, hiking, hunting, climbing, trip, football basketball or any Sports competition, concert. And it is also a best Christmas gift for adults, kids, children.
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Svbony SV227 2/1.25inch Filter 5nmH-Alpha SII-CCD OIII-CCD Narrow Band for Astronomy Telescope Deep Space Planetary Photography
Aliexpress UK
The compact and foldable design makes these binoculars easy to carry, perfect for travel, camping, and other outdoor adventures. Experience crystal-clear views with our HD binoculars featuring BAK4 prisms and FMC lenses for superior light transmission.
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EYSDON Bahtinov Mask Focusing Mask Fish Bone Plate for Telescopes (for Outer Diameter from 80mm-110mm)
Aliexpress UK
BORWOLF has been the industry leader in high-performance sports optics for more than 10 years. BORWOLF Binoculars perfect for Bird Watching, Hunting, Camping, Travelling, Secenery and otheractivities.
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EYSDON Bahtinov Mask Focusing Mask Fish Bone Plate for Telescopes (for Outer Diameter from 200mm-260mm)
Aliexpress UK
Switch from portrait to landscape by turning the padded eyepiece clamp and readjusting the X, Y, and Z axis. Easy, quick setup process in about 30 seconds. Accommodates various smartphones, even larger "phablets," with adjustable phone platform.
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APEXEL HD Metal 20-40x zoom telescope lens phone telephoto Lenses With Extendable Mini Tripod for Samsung iPhone all Smartphones
Aliexpress UK