A Refractor (Galileo) telescope uses an objective lens that bends light (refraction) for delivery to the eyepiece. They tend to be long and thin as the light has to pass straight through them. Best for lunar and planetary viewing by starters.
Benefits: razor-sharp images, especially in the newer, expensive apochromatic types, high contrast due to lack of central obstruction, less susceptible to bad atmospheric conditions, faster cool-down than reflectors, low-maintenance compared to reflectors due to no collimation chores, extremely portable in the smaller sizes, good "quick-look" instruments.
Disadvantages: limited to small-to medium apertures, expensive for their size.
A Reflector (Newton) telescope uses a mirror to collect the light, which it delivers to the eyepiece. Having the main weight of the telescope at the bottom end makes mounting it easier. Best for skilled and professional observers.
Benefits: available in huge apertures, low-cost for their size, can be built in many configurations and F/ratios (customizable), can easily outperform smaller refractors and for less money
Disadvantages: can require long cool-downs, bulky and less transportable in larger sizes, requires frequent adjustments to mirror alignment for best performance, reduced planetary contrast due to secondary mirror central obstruction.
525 Power REFLECTOR telescope ideal for both outdoor sports and astronomical observation
Ready for stars, stars fall, solar and moon eclipse, moon and follow the mars project?
This astronomical scope is a perfect entry tool to explore the unknown outer space and observe the cosmos!
*Solid reflector telescope
*All glass coated optics for enhanced image brightness
*Interchangeable eyepieces with a 3x Barlow lens to increase viewing power
*Finderscope to help aim at targets
*Engineered with smooth functioning mount
*Great for astronomical enthusiasts and school students.
*Simple assembly - can be done in 30mins
*Aluminum adjustable tripod included.
*Large 76mm objective lenses accommodate a wide range of activities, from sports to astronomical observation
TELESCOPE Adalah Teropong untuk melihat
benda-benda langit. Hobby anda kini menjadi kenyataan dengan telescope elegant
yang harganya terjangkau. Bagus juga untuk hadiah.
Eyepiece:SR4mm(1.25" 4mm), H12.5mm(1.25" 12mm), H20mm(1.25" 20mm)
Barlow lens: 3 x
Erector: 1.5 x
(Belum termasuk ongkos kirim)
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