Telescopes > National Geographic > National Geographic Telescope AC 50/360 AZ

Product no.: 46386

Telescope AC 50/360 AZ

Name: National Geographic Telescope AC 50/360 AZ
Brand: National Geographic
Price: 69 USD

$ 69.00 incl. VAT, plus shipping costs

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Express shipment possible for delivery tomorrow, 02.11.2024!

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Product description Specifications Downloads Recommended accessories Customer reviews (0)

Product description

The National Geographic AC 50/360 AZ

An ultra compact travel scope with coated optics! The 50/360 telescope and aluminium tripod can be conveniently stored into a small bag or backpack. Thus, this telescope is a perfect companion not only at home, but also when traveling.

Specifications

Optics

A telescope tube is referred to as an optic because it contains the components necessary to collect and concentrate light.

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Type

There are basically two different types of telescope. A distinction is made between refractor (lens) and reflector (mirror) telescopes.

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Refractor

Type of build

Describes the exact structure of the telescope thereby further subdividing the different types of telescope.

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Achromat

An achromatic is a refracting telescope (refractor), which consists of two lenses. It is the classic refractor design.

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Aperture (mm)

Aperture

The aperture indicates the diameter of the objective lens or the mirror.

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Focal length (mm)

Focal length

This is the distance between the objective lens or mirror and the focal point.

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360

Aperture ratio (f/)

Aperture ratio

Is the ratio of the aperture to the focal length of a telescope.

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7,2

Resolving capacity

The ability of the optic to discern the fine detail of objects that are close together.

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2,3

Limit value (mag)

Limit value

Describes the brightness of a star or point-shaped object, which can still just be distinguished by the telescope. The naked eye, for example, can make out stars with a magnitude of up to 6.

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10,3

Light gathering capacity

Light-gathering capacity of the telescope compared to the eye.

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Max. useful magnification

The telescope’s magnification should not exceed this factor, because otherwise the image will appear weak and dark.

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100

Tube construction

Full tube

Focuser

A focuser is used to hold an eyepiece. The image can be focussed using the focus wheels on the side.

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Type of build

There are basically two different construction types: the rack and pinion focuser and the Crayford focuser.

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Gear rack

Connection ( to eyepiece)

Focusers are available in 1.25" or 2" formats. Many 2" focusers also have a 1.25" adapter.

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Mount

A mount is the foundation of an astronomical telescope. It usually consists of the mount head and an appropriate tripod.

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Mounting type

Are mainly differentiated between equatorial and altazimuth. A special type of altazimuth mount is the Dobsonian mount.

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Azimuthal

These astronomical mounts are particularly lightweight and compact.

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GoTo control

Object positioning system, available in real GoTo and also PushTo versions.

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Tripod

The tripod is a part of the mount, it provides a stable stand and is usually adjustable in height.

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Type

Tripod

Material

Aluminium

Included accessories

Many telescopes came with simple accessories.

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Deviating optics

Erecting systems

A telescope always displays an object upside down. This law of optics can only be compensated for by an erecting system. Erecting lenses, diagonal mirrors or Amici prisms provide you with an upright image. Diagonal mirrors provide an upright but back-to-front image and Amici prisms provide an upright and right-sided image.

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Mirror star diagonal, 1", 90°

1'' eyepieces

20mm, 6mm

Area of application

The area of application will give you a broad overview of the purposes for which the telescope is suited.

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Moon & Planets

yes

Nebulae & galaxies

Nature Observation

yes

Astrophotography

not recommended

Sun

Telescopes for safe solar observing.

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not recommended (Only with appropriate Sun filter)

Recommended for

Recommended for...

The classification of the telescopes according to their suitability for beginners, advanced or observatories is useful as an initial orientation.

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Beginners

Telescopes that are supplied as a complete system and are easy to operate.

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yes

Advanced

Telescopes for experienced observers, but also for ambitious beginners.

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Observatories

Telescopes suitable for a fixed mount, whether that is in the garden or an observatory.

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Downloads

Instruction Manual

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*All prices include VAT plus shipping costs.

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