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Telescopes > Explore Scientific > Ultra Light > Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Product no.: 55225

Dobson telescope N 406/1826 Ultra Light Generation II DOB

RRP: $ 3,160.00 Our price:
$ 3,050.00 incl. VAT, plus shipping costs
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  • Portable for mobile use

Product description

More about the series Ultra Light...

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'.

Explore Scientific offers lightweight tubular aluminium frame which is optimised for transport and quick deployment.

  • The mount for the secondary mirror can securely adjusted without tools.
  • The primary mirror can be adjusted anteriorly during observation and sits within a modern cell with radial roller bearings and a 9-point flotation system
  • Large altitude bearings allow for quiver- and judder-free movements, even at large magnifications
  • The cap and altitude bearings fit inside the rockerbox, the mirrorbox has a lid for transportation, so that only two aluminium boxes and one bundle of poles have to be transported.
  • Extremely high structural rigidity!
  • Dew-resistant due to aluminium construction: No more bulging press boards thanks to exclusive use of aluminium and other metals
  • Two radial primary mirror fans for rapid temperature adjustment

New in the second generation:

  • Teflon sleeve bearings and GRP leading to very sensitive tracking
  • Improved primary mirror cell with precise adjustment mechanism
  • Double-sided friction settings and breaking system for altitude bearings
  • Large feet for increased stability
  • Universal viewfinder shoe for simple finderscope upgrading
  • 2 x 1.0kg counterweights included
  • Quick-release fasteners with spring elements for comfortable handling
  • Powder coated altitude bearings for increased durability
  • Laser engraved primary mirror centre mark

Dimensions for the 406/1826 Ultra Light:

  • Transportation: Rockerbox 550x550x330mm; Mirrorbox 480x480x300mm; Pole length approx. 1250mm
  • Eyepiece height whilst pointing at zenith: approx. 1.63m
  • Overall weight: 38.4kg; including mirror housing: 23.8kg; Upper section with secondary mirror + rockerbox: 10.5kg; 4 pairs of struts: 2.5kg; Pair of altitude bearings: 1.6kg

You would be hard pressed to find a more easily transportable telescope of this size, especially one with this level of adjustment stability and user friendliness. The latter of which is guaranteed by a very comprehensive user manual.

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)
1826
Aperture ratio (f/)
4,5
Resolving capacity
0,28
Limit value (mag)
14,8
Light gathering capacity
3360
Max. useful magnification
812
Tube construction
Truss Tube
Tube material
Aluminium

Reflector


Ventilation for central mirror
yes
Primary mirror - Material
BK7
Adjustable
yes
Secondary mirror obstruction
25
Main mirror´s construction
parabolic
secondary mirror design
Plan
Secondary Mirror Heating
no

Focuser


Type of build
Gear rack
Connection ( to eyepiece)
2
Gear reduction
1:10 fine focusing

Mount


Type of build
Dobson
Mounting type
Dobson
GoTo control
no

Tripod


Material
Aluminium
Type
Rockerbox

Included accessories


Finder scope
Red dot finder
Battery compartment
yes
Eyepiece adaptor
1,25" - 2"
stray light protection
no
Antiglare protector
yes
Extension tubes
yes
Counterweights (kg)
2 x 1,0

General


Series
Ultra Light
Total weight (kg)
38,4
weight of the heaviest component (kg)
23,8

Area of application


Moon & Planets
yes
Nebulae & galaxies
yes
Nature Observation
no
Astrophotography
not recommended
Sun
no

Recommended for


Beginners
no
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB
Explore Scientific Dobson telescope N 406/1826 Ultra Light Generation II DOB

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