Telescopes > National Geographic Maksutov Teleskop MC 90/1250 GoTo

National Geographic

Product no.: 46083

Maksutov Teleskop MC 90/1250 GoTo

Name: National Geographic Maksutov Teleskop MC 90/1250 GoTo
Brand: National Geographic
Price: 530.66 USD

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Computerised controls with handbox controller

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Product description Specifications Recommended accessories Customer reviews (0)

Product description

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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Reflector

Type of build

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

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Maksutov

Maksutov-Cassegrain telescopes have a compact design, but a very long focal length. At the front there is a Maksutov lens. These telescopes are very well suited for planetary observing.

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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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1250

Aperture ratio (f/)

Aperture ratio

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

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13,9

Resolving capacity

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

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1,28

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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11,6

Light gathering capacity

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

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170

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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180

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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primary mirror focusing

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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1.25

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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Type of build

Describes the exact construction of the particular mount and thereby further subdivides the different types of mount.

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Single tine

Single-arm mount

Altazimuth mount where the telescope is attached to an arm on one side.

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GoTo control

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

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yes

Battery compartment

yes

GoTo control

Database

270.000

GPS

The Global Positioning System simplifies the initialisation of a computerised control system.

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with hand paddle

yes

WIFI

GoTo Language

German, English, French, Spanish, Italian

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

Steel

Accessory plate

yes

Included accessories

Many telescopes came with simple accessories.

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Finder scope

A mini telescope used to locate a celestial object. There are optical finders and red dot finders.

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Red dot finder

A red LED dot is projected onto a disc.

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1.25'' eyepieces

Eyepieces are needed for observing. Depending on the focal length, you achieve a certain level of magnification.
The specification 1.25" refers to the diameter of the connector (1.25" = 31.8 millimetres).

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12,5mm & 25mm

Moon filter

yes

Compass

yes

Power pack

Dew Shield

Carrying handle

yes

Miscellaneous

Planisphere<p>

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

yes

Nature Observation

Astrophotography

Sun

Telescopes for safe solar observing.

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no (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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Miscellaneous

Battery type

Mignon (AA, LR6) (6 pieces)

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Omegon Filters UHC Filter, 1.25“

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Omegon Filters OIII filter 1.25''

$ 89.00*

Omegon Filters Variable grey filter 1.25"

$ 34.90*

Omegon Filters Color filter set 1,25'' (6 pieces)

$ 69.00*

Omegon Filters 1.25'' deep sky filter

$ 89.00*

Omegon Filters 1.25'' Clear Sky filter

$ 129.00*

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$ 169.00*

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Omegon 3x Barlow lens, achromatic, 1.25"

$ 49.90*

Omegon 2x Barlow lense, achromatic, 1.25"

$ 39.90*

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Omegon Universal digital camera adapter

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Omegon Universal digital camera adapter

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Omegon carry case for 5" tubes/lenses

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Omegon aluminium case, large

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Omegon Carry case Bumbag for eyepieces

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Omegon Transport cases eyepiece case

$ 99.00*

Omegon Carry case transport bag for accessories

$ 79.00*

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Omegon Powerbank 38k 144Wh 12V

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Omegon 12V 3A car battery cable (3m) for car cigarette lighter socket

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Media (1)

Omegon Star chart Planisphere

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Outdoor > Lamps (3)

Omegon LED headlamp

$ 13.90*

Omegon Astronomy torch Twin Light with brightness control

$ 13.90*

Omegon Astronomy torch Astro-Flashlight

$ 14.90*

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Maintenance & Cleaning (4)

Omegon 7-in-1 lens cleaning set

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Omegon cleaning system

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Omegon microfibre cleaning cloth 20cm x 20cm

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Omegon SPUDZ microfaser cleaning cloth

$ 14.90*

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*All prices include VAT plus shipping costs.

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Hand Controller

Compass

Eyepieces

Moon filter

Accessory plate

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