GSD880 GSO 880 Dobson 10 "250 / 1250mm Telescopic Deluxe

GSD880 GSO 880 Dobson 10 250 / 1250mm Telescopic Deluxe
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Shipping time: In stock + testing In stock + testing
Product no.: GSD880
MPN: GSD880
1.087,00 EUR
19 % VAT incl. excl. Shipping costs
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Finanzierung ab 24,50 EUR im Monat
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Products description

Überprüfung Justage Newton Fangspiegel Hauptspiegel Okularauszug

This telescope is inspected by us before delivery and in any case pre-adjusted. The eyepiece output is stopped.

Please contact for advice on this telescope.


This telescope will not be shipped. Can be picked up at our hotel.

Alternatively, we recommend SkyWatcher SkyLiner-250PX Pyrex Dobson.

How we adjust: About us



 

GSD880 GSO 880 Dobson 10 "250 / 1250mm Telescopic Deluxe

Currently, this Dobson is not shipped and only handed over by pickup personally.



GS880 - 10 "f / 5 Dobson from GSO - opening 250mm - focal length 1250mm
The Deep Sky specialist for the road .. the tube still fits on the back seat of your car!
94% forced mirroring for a brighter picture


The rocker box is black and not white.

Experience high-visibility with GSO quality optics. Many experienced observers swear by a Newton optics with a 10 "aperture." It is only after this opening that a truly fulfilling deep sky observation is possible ".. says the opinion of many amateur astronomers, after all a 10" optics collects about 55% more light than one 8 "optics.

In fact, the 10 'opening opens up new areas of observation, galaxies reveal their spiral arms, and planetary nebulae reveal their details, objects that are portrayed with smaller openings as contorting spots reveal 250mm details.

The diffraction-limited quality optics from GSO naturally offer a good performance even in the highest magnification range, with the moon and planets. Enjoy a high-resolution observation, which in practice is limited only by the quality of the air.

The special features of the GS880:

- Bending limiter working main mirror made of BK7 with fan
- Solid metal tube, which keeps the adjustment very good
- 2 "Crayford extension (ball bearing) with 1:10 fitting" the best move of this manufacturer !!! "
- Powerful 8x50 viewfinder with multi-lens lens, the viewfinder shows the brightest objects
- 2 "Overview eyepiece ERFLE with 30mm focal length - to achieve a very large field of view
- Sharp 9mm Plössl eyepiece for the recognition of details on the moon and planets
- Cleanly machined mounting with very sensitive adjustment - horizontal and vertical
- New and innovative friction bearing for height - better and more effective than simple height wheels
- 94% coverage for a lighter image

The diffraction-limited main mirror of the GS880

The core of a Newton telescope is always the main mirror. GSO has been producing excellent optics for years. The company is now known for the optical quality, which we think is above the average of other suppliers in this price class. We therefore guarantee for this GSO Newton a diffraction-limited image.

The 2 "Crayford extract from GSO:

... it is the best move of this manufacturer. The eyepiece extension is clearly superior to simple excerpts with tooth / drive.

- no shaking during shifting (shifting)
- significantly more resilient - up to 3kg weight
- 1:10 Microdocumentation for even more precise focus
- Ring clamp for 2 "and 1,25" accessories for one
Good grip and precise positioning on the axle
The height of the GSO Dobson:

A new, more effective solution has been found for the high-altitude storage.

A stable steel axle carries the entire tube weight. The adjustment takes place via two CNC machined surfaces - precisely and without lateral slipping.

In addition, you can adjust the resistance via a large knurled screw on each side - from ultra-light to high resistance. This prevents you from surrendering the unit, for example, during high wind loads.

Adjustment of the balance:

You can precisely adjust the balance of the dobson. For example, Instead of the 8x50 viewfinder you can use a light-colored viewfinder or if you want to use a heavy Bino attachment on the eyepiece ... No problem - simply adjust the position of the elevation wheel to the Rockerbox - an accurate scaling ensures that it is the same position on each side to have.
The roller bearing for horizontal adjustment:

A simple Teflon bearing, as used by the manufacturer earlier, causes too much adjustment. When the telescope is directed towards the zenith, the lever is so unfavorable that a fine adjustment is almost impossible.

The modern industrial roller bearing allows a very sensitive adjustment. Above and below the bearing are metal plates, which prevent the rollers from pressing into the soft laminate. This keeps the adjustment even after many years.


Technical specifications:

- Opening ... 250mm / focal length ... 1250mm / Opening ratio ... f / 5
- main mirror ... Mirror support BK7 ... limited
- Resolving ability ... 0.50 "
- limit size ... 15.1 mag
- Maximum field of view ... 2.15 °
- Shading through the ... 25%
- Tube diameter ... 305mm
- Tube length ... 1210mm
- Weight of the tube ... 15,5kg
- Dimensions of the Rocker Box ... Height 64cm / Diameter 54cm
- Weight of Rocker Box ... 12,2kg

Delivery:


Azimutallagerung

Smooth azimuthal bearing

Erfle
2 "wide angle ERFLE
Good field sharpness / overview

Super Plössl
Super Plössl 9mm
Multi Rewarded

Crayford excerpt
2 "Crayford eyepiece extractor
Micro Subsystem 1.25 "Adapter

viewfinder
Powerful 8x50
Searcher for quick finding

 



- GSO Dobson with diffraction-limited optics and rocker box
- Fan for main mirror
- 8x50 viewfinder with multivergmented lens and quick coupling
- 2 "Crayford extension with 1:10 micro support and reduction for 1,25" accessories
- 30mm wide angle For an optimal overview - 70 ° apparent facial field
- 9mm Super Plössl - multi-compensated
- Support plate for eyepieces and filters
- diffraction-limited quality optics
- highly reflective coating
- Central marking to facilitate adjustment
- extensive German manual

Manufacturer's description of the same REVELATION 10 "f / 5 M-CRF Premium Dobson White

The REVOLUTION 10 "F / 5 M-CRF Premium Dobson (white) is a superbly easy-to-use telescope for the beginner as well as the advanced amateur astronomer." From the first observation night, many observers are unaware of the unaided eye The new designed tube suspension of the EVELATION Dobson allows you to quickly adjust the optimal balance point as well as the best possible balance The telescope has a built-in 12 volt main stage fan so that the optics can be adjusted to the ambient temperature as quickly as possible.

The REVELATION 10 "F / 5 M-CRF Premium Dobson is incredibly simple: simply place the telescope mount on the ground, place the optical tube on it and finish it, and the telescope can then be easily moved with one hand in all directions to create a desired observer object No complicated alignment procedures are required, simply set an object and enjoy the infinite universe.

The telescope is already supplied with extensive accessories, which allows an immediate use. An optical 8x50mm viewfinder telescope with crosshairs, which is much higher quality than many other comparable offers. In addition, a 2-inch premium 30mm eyepiece eyepiece and a short-firing 1.25-inch 9mm Plössl eyepiece for detailed observation, which allow 42x and 139x magnification. Both eyepieces have a really good quality and are better by far than the eyepieces included in many comparable offers.

All REVELATION Dobson have a high-quality optics made of BK7 mirror material and a 3-point mirror cell with a built-in main mirror fan in order to keep the time to the temperature adjustment of the optics as short as possible. Furthermore, all REVELATION Dobson are equipped with easy-to-follow and precise rolling bearings in the azimuth axis, which guarantee a smooth movement during tracking. The Deluxe Dobson also has a precise 2 inch Crayford eyepiece pull-out with a 1:10 support and a 1.25 inch eyepiece adapter. The eyepiece extension is made of brass, so that no scratches or pinholes are formed on the eyepieces and center the accessories exactly on the optical axis.

Benefit from our experience as a telescope specialist:
 
For more than 30 years we have been passionate about astronomy
Every day we check, optimize & adjust telescopes, mounts & accessories, before handing over to the customer
In this way we know the advantages and disadvantages of the individual products
We sell & recommend only products we use ourselves of which we are convinced
For a comprehensive, brand-independent consultation we take a lot of time for you
As the first astronomy specialist, we offer our customers real-time video consulting,
For to see is to understand
Even after the purchase we are there for you & are still at the side for setup and operation
In case of questions or new entry, we offer instruction & In special cases also on-site service in the Munich area
 
GSD880 GSO 880 Dobson 10 250 / 1250mm Telescopic Deluxe
GSD880 GSO 880 Dobson 10 250 / 1250mm Telescopic Deluxe
GSD880 GSO 880 Dobson 10 250 / 1250mm Telescopic Deluxe

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