50080 Astronomical Telescope
●If it shows a blurred picture, please adjust focus using focus wheel.
●When observing an outdoor target with an astronomical telescope indoors, do not close the window to avoid the deformation of the image caused by the reflection of the window glass.
●Use a telescope outdoors, please wait for the temperature of the product is the same as the outdoor temperature, the performance will be better.
●Avoid accidentally taking the telescope into a larger temperature difference environment because the moisture in the air will condense on the objective.
●NEVER aim your telescope at the sun or even close to the sun!
The structure principle of astronomical telescope
The working principle of the astronomical telescope is mainly that the objective lens gathers light for imaging, and the eyepiece is used for magnification.
Its structure is more complicated than that of binoculars. Stability and balance are very important. The heavy hammer, fine-tuning handwheel, and tripod are mainly used for balance and stability. , for better observation.
Astronomical telescopes are divided into three types: refracting, reflective, and refracting. They have the following characteristics:
1. Refractor astronomical telescope
It uses a convex lens as an objective lens, a concave-convex lens as an eyepiece, and a telescope that uses refractive imaging, using an optical structure from the objective lens to the eyepiece. It is the mainstream entry-level telescope.
Advantages: wide field of view, better contrast and clarity, and easy portability.
Disadvantages: There will be some chromatic aberration and spherical aberration. In comparison, the larger diameter is more expensive than the smaller one.
2. Reflective astronomical telescope
The spherical reflector and the concave paraboloid enter the lens together, and collect the light reflected from the plane mirror of the secondary mirror to the eyepiece to observe the stars. The optical structure from the reflector to the secondary mirror to the eyepiece is adopted.
Advantages: The aperture is relatively large, the imaging brightness is high, and the price is relatively affordable.
Disadvantages: There will be a little spherical aberration, the maintenance of the lens barrel will be more difficult, and it is not easy to carry.
3. Reverse astronomical telescope
Combining the characteristics of refraction and reflection, the light of celestial bodies will be refracted and reflected together. A corrective mirror-to-mirror optical structure is used.
Advantages: large aperture, good imaging effect, easy maintenance and easy portability.
Disadvantages: The structure is relatively complex and the price is high.
Hot selling product
Common astronomical telescopes are divided into three types: refracting, reflective, and catadioptric.
（1） Refraction type: advantages – good imaging effect; disadvantages – high price and chromatic aberration.
（2）Reflective: Advantages – low price, small size and light weight, large aperture; disadvantages – spherical aberration in imaging.
（3）Refraction type: There is a refraction correction mirror in front of the reflector, which has the advantages of refraction and reflection, and the price is moderate
Recommended Sample
* Refractor telescope with 360mm focal length and 70mm large aperture provides clear and bright image. The larger the aperture is, more light telescope can allow
* This beginner telescope is designed with fully multi-coated optical glass. FMC ensures high transmission and creates stunning images of color fidelity. Perfect gifts for kids
* Two Kellner eyepieces (K6,K25) achieve 60X and 14X respectively. Highest magnification of 180 with 3X Barlow. 5X24 finder scope with cross-hair lines inside makes it easy to locate object
* Kids telescope with 45° erect-image diagonal prism achieves erect images and eliminates eye and neck strain for better viewing. comes with a phone adapter, making it convenient to take videos and photos
* Sturdy tripod of telescopio, made of aluminum alloy, ensures the stable viewing when taking photos and it is adjustable by 180 ° in a vertical direction and by 360 ° in a horizontal direction
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114mm Professional Sky Watcher Astronomical Reflection Equatorial Telescope -
750x Observation Astronomical 150mm Reflector Telescope for Stargazing
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First technology, then optical.
A binocular has two barrels, which means that the light from both barrels must be consistent. A good binoculars is not only about optics, but also about the rationality of its structural design and technology performance. Good technology performance is a necessary condition for fully utilizing the optical design performance. For example, the feel of the focusing wheel and eye cup, the stability of the optical axis, the synchronization of the focusing, extinction, glue wrapping, workmanship, etc., The best binoculars are made by the rationality of the structural design.
Professional FBC coating
The “FBC coating” reduces the light reflection and astigmatism of the lens, enhances transmission. At the same time, it can prevent the lens from fogging and mold. The technology and number of layers of lens coating are important factors that determine the price of binoculars. You can choose binoculars with different coatings and prices to achieve the best cost-effectiveness.
Reflection BAK4 prism
There are two types of prisms BAK4 and BK7. BAK4 prisms are more expensive, but the light transmittance is higher, and the image is clearer and sharper. Ours prisms are made of BAK4 glass and are coated with Reflective coatings to increase the color authenticity to ensure good imaging. The glass lens are an important component for protecting vision. If you often use binoculars, this is a necessary choice.
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Amazon Hot Selling (Update irregularly)
【High Magnification】The interchangeable eyepieces with a 3x Barov Extender lens increase viewing power, 5×24 Finder Mirror with mounting bracket, erect-image diagonal, and two bigger focus eyepieces make locating objects easy.
1.Quality Optics: The telescopes features 70mm aperture, 400mm focal length, and coated optics for enhanced image brightness and clarity.
2.Stable tripod and universal phone adapter：This monocular telescope comes with a stable tripod and a quick-positioning smartphone adapter, The easy installation process allows for remote control of the telescope and high-definition image capturing to be shared with friends.
3.FMC Coated：fully coated optical glass with high transmission coatings creates crisp images with increased brightness and clarity.
* This beginner telescope is designed with fully multi-coated optical glass. FMC ensures high transmission and creates stunning images of color fidelity. Perfect gifts for kids
* Two Kellner eyepieces (K6,K25) achieve 60X and 14X respectively. Highest magnification of 180 with 3X Barlow. 5X24 finder scope with cross-hair lines inside makes it easy to locate object
* Kids telescope with 45° erect-image diagonal prism achieves erect images and eliminates eye and neck strain for better viewing. comes with a phone adapter, making it convenient to take videos and photos
* Sturdy tripod of telescopio, made of aluminum alloy, ensures the stable viewing when taking photos and it is adjustable by 180 ° in a vertical direction and by 360 ° in a horizontal direction
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