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Schmidt-Cassegrain. Aperture: 150 mm. Focal length: 1500 mm

Catadioptric
Optical design
150
Aperture – the diameter of the light-collecting lens or mirror that the telescope uses to collect light
1500
Focal length – the distance from the primary lens or mirror to the point at which the light is focused
Availability

Product ID 67811
Brand Celestron
EAN 2400000043010
Optical design catadioptric
Optical scheme Schmidt–Cassegrain
Optics coating StarBright XLT
Description
The Celestron NexStar Evolution 6” is the smallest of the three NexStar Evolution scopes. All three are f/10 Schmidt-Cassegrains with Celestron’s StarBright XLT coatings, Hyperstar capability, and the same alt-azimuth mounting – though the 9.25” model swaps the tripod for an impressively bulky unit with bigger legs.

The Evolution scopes, as the name implies, are an evolution of the fork-mounted Schmidt-Cassegrains Celestron has been selling for 60 years. Unlike many computerized telescopes there’s no need to worry about a portable power supply, or even the hand controller (though one is provided) – the entire scope goes together in minutes with no tools, and overall there’s not much to be able to mess with. However, this comes at an enormous cost in terms of how much (or rather, how little) telescope you get for the price, and the same features that make the Evolution series telescopes technological titans are also what can easily lead to the entire instrument becoming a useless doorstop if something goes wrong.

Specifications
Product ID 67811
Brand Celestron
EAN 2400000043010
Optical design catadioptric
Optical scheme Schmidt–Cassegrain
Optics coating StarBright XLT
Primary mirror diameter (aperture), mm 150
Focal length, mm 1500
Highest practical power, x 354
Aperture ratio f/10
Finderscope red dot, StarPointer
Tripod aluminum
Accessory tray
Telescope control autoguide, manual
Mount alt-azimuth, computerized
User level professionals
Observed object deep-sky objects, planets of the Solar System
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