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National Geographic 76/700 AZ (9011300)

Photos - Telescope National Geographic 76/700 AZ
Outdated Product
$142.56 up to $147.84
Design: mirror (reflectors); Mount type: altazimuth; Lens diameter (mm): 76; Focal length (mm): 700; Max. useful magnification (x): 152; Max. resolution magnification (x): 114; Min. magnification (x): 11; Aperture: 1/9.2; Penetrating power: 11.9; Finder: optic; Focuser: rack; Lens Barlow (x): 3
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National Geographic 76/700 AZ
Main
Designmirror (reflectors) / Newton /
Mount typealtazimuth
Specs
Lens diameter76 mm
Focal length700 mm
Max. useful magnification152 x
Max. resolution magnification114 x
Min. magnification11 x
Aperture1/9.2
Penetrating power11.9 зв.вел
Resolution (Dawes)1.5 arc.sec
Resolution (Rayleigh)1.84 arc.sec
More features
Finderoptic / 5x24 /
Focuserrack
Eyepieces20 mm, 12.5 mm, 9 mm
Eyepiece bore diameter1.25 "
Lens Barlow3 х
Enlightenment coating
Moon filter
Mirrorspherical
General
Total weight7 kg
Added to E-Catalogmarch 2015
P/N
9011300

Glass optics. Distinct images.
An inverted picture when observing ground objects.
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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The National Geographic 76/700 AZ small reflector design telescope is addressed to the teenage audience and amateur astronomers. It is an easy-to-use model for terrestrial and celestial observations.

Newton's system

A simple and popular Newton's reflex scheme has found application in the telescope, which involves a combination of a concave main mirror with an additional flat one that reflects the image into the eyepiece. The model is equipped with purely glass optical elements with a special multi-layer coating to ensure greater image clarity.

visual observations

The telescope objective diameter is 76 mm, its aperture ratio is 1/9.2. With these parameters, the model is well suited for visual observations of astronomical objects at different magnifications. Through a telescope, you can see craters on the Moon, cloud belts on Jupiter, Saturn's rings, bright star clusters, nebulae and galaxies. For observations of terrestrial objects in a non-inverted orientation, the device must be completed with the appropriate accessories.

Azimuthal mount

The model is equipped with an easy-to-use azimuthal mount. It has a vertical and horizontal axis of rotation and allows you to quickly point the telescope to the desired point in the sky. But you can’t call a standard tripod a helluva lot of stability — when using eyepieces with a large magnification factor, its vibrations make themselves felt. Also, this type of mount is of little use for astrophotography. Nevertheless, the telescope fulfills its cost in full.

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