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Telescopes > GSO > GSO Dobson telescope N 406/1829 Truss DOB
Product no.: 61027

Dobson telescope N 406/1829 Truss DOB

RRP: $ 3,260.00 Our price:
$ 2,370.00 incl. VAT, plus shipping costs
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Product description

Dobsonian telescopes are among the most practical instruments in astronomy. They are of simple construction and yet a brilliant idea. They essentially consist of two parts: firstly the optics, which in most cases is a solid tube or truss tube design; and secondly the mount, a wooden box (also called a 'rocker box') which sits on the ground and into which the telescope is inserted. This design allows you to begin observing sessions immediately without first having to spend time setting up and aligning a complicated mount. The basic idea of the Dobsonian design came from the wish to have a big telescope at a low price, a wish that has succeeded brilliantly. A true fan base has developed since the invention of the Dobsonian telescope which is dedicated to these instruments and their fascinating simplicity and to the idea of 'high performance at low price'.

The truss tube design allows easy transport of this large telescope in a normal car: the entire instrument can be dismantled into a compact size in just a few easy steps and without the need of special tools.

Some special features of this 16” Dobsonian:

  • Premium 406mm diameter parabolic primary mirror with a fast f/4.5 aperture ratio for exceptional observing experiences!
  • Stable adjustment whereby the primary mirror is aligned without tools using non-slip knurled screws.
  • The cooling fan on the back of the primary mirror enables it to adapt to the surrounding temperature more quickly
  • Adjustable friction brake for the vertical axis so that heavy accessories or eyepieces can be swapped without moving the tube position.
  • Steel roller bearings with two metal plates for horizontal adjustments (azimuth), making delicate tracking possible even at high magnifications.
  • Very good Crayford focuser with 1:10 micro-reduction for precise focusing. Either 1.25” or 2” eyepieces can be used.
  • Comprehensive accessory range for instantaneous success when observing!

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page "Telescope ABC" beginners handbook with every telescope.

Specifications

Optics


Type
Reflector
Type of build
Newton
Aperture (mm)
406
Focal length (mm)
1829
Aperture ratio (f/)
4,5
Resolving capacity
0,34
Limit value (mag)
14,8
Light gathering capacity
3360
Max. useful magnification
812
Tube construction
Truss Tube

Reflector


secondary mirror design
Plan
Main mirror´s construction
parabolic
Primary mirror - Material
BK7
protective layer
Quartz
reflectivity
94
Adjustable
yes
Ventilation for central mirror
yes
aluminising
Aluminium

Focuser


Type of build
Crayford
Connection ( to eyepiece)
2
Ring clamp
yes
Gear reduction
1:10 fine focusing

Mount


Type of build
Dobson
Mounting type
Dobson
Motors
no

Tripod


Type
Rockerbox
Accessory plate
yes

Included accessories


1.25'' eyepieces
9mm
2'' eyepieces
30mm
Finder scope
8x50
Eyepiece adaptor
1,25" - 2"
Carrying handle
yes
Extension tubes
yes
Battery compartment
yes
Miscellaneous
Dust covers

General


Total weight (kg)
65

Area of application


Astrophotography
no
Moon & Planets
yes
Nature Observation
no
Nebulae & galaxies
yes
Sun
no

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Miscellaneous


Battery type
Mignon (AA, LR6)

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*All prices include VAT plus shipping costs.

GSO Dobson telescope N 406/1829 Truss DOB
Focuser
GSO Dobson telescope N 406/1829 Truss DOB
Friction brake
GSO Dobson telescope N 406/1829 Truss DOB
Ventilation for central mirror
GSO Dobson telescope N 406/1829 Truss DOB
Included accessories

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