Telescopes > PlaneWave > PlaneWave Cassegrain telescope C 508/1537 DeltaRho 500 f/3.0

Product no.: 83158

Cassegrain telescope C 508/1537 DeltaRho 500 f/3.0

Name: PlaneWave Cassegrain telescope C 508/1537 DeltaRho 500 f/3.0
Brand: PlaneWave
Price: 90400 USD

$ 90,400.00 incl. VAT plus shipping costs

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Product description Specifications Downloads Recommended accessories Customer reviews (0) Product safety

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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Cassegrain

This telescope consists of a parabolic primary mirror with a central hole and a hyperbolic secondary mirror. In this way the construction can be kept as short as possible.

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Aperture (mm)

Aperture

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

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508

Focal length (mm)

Focal length

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

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1537

Aperture ratio (f/)

Aperture ratio

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

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Resolving capacity

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

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0,27

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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15,3

Light gathering capacity

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

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5270

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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1016

Tube weight (kg)

Tube weight

The weight of the tube is critical for the correct choice of mount.

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Tube material

Most telescopes are made of steel, aluminium or carbon fibre.

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Carbon

Carbon is especially light and stable, but is also more expensive than metal

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Fully Corrected Field (mm)

Corrected Field

The optics’ field is illuminated without errors.

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Reflector

Special characteristics which only reflectors possess, can be found under this heading.

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Main mirror´s construction

Main mirror construction

Here, the construction type means the geometric shape of the primary mirror.

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elliptical

Primary mirror - Material

Quartz

secondary mirror design

spherical

Secondary mirror material

Quartz

reflectivity

aluminising

Aluminium

Secondary mirror obstruction

The shadow effect of the telescope optics due to the secondary mirror, because this lies in the optical path.

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Primary mirror - Diameter (mm)

508

Secondary mirror diameter (mm)

286

Ventilation for central mirror

Ventilation for primary mirror

Fan for a quicker alignment of the mirror temperature to the ambient temperature.

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yes

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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Backfocus (mm)

Backfocus

The position of the focus, measured from the plug connection, with the eyepiece fully retracted.

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232,8

Rotating

Undefiniert

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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Type of build

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

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OTA

An OTA is an optical tube without a mount. It is short for optical tube assembly.

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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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no mount

Included accessories

Many telescopes came with simple accessories.

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Corrector

Optical aid to correct aberrations.

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integrated

Tube clamps

yes

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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Astrophotography

yes

Moon & Planets

yes

Nature Observation

Nebulae & galaxies

yes

Sun

Telescopes for safe solar observing.

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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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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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yes

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Downloads

Data sheet (EN)

Product safety

Manufacturer: Baader Planetarium GmbH, Zur Sternwarte, 82291 Mammendorf, DE, www.baader-planetarium.de

Product safety

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