Levenhuk Ra 300N Dobson Telescope
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Pall-leverans till trottoarkant (8:00-16:00 på vardagar)
– Daglig deadline för avsändande kl. 14:00 (OBS! Vi levererar inte till icke brofasta öar)
Gratis
Pall-leverans till trottoarkant (8:00-16:00 på vardagar)
– Daglig deadline för avsändande kl. 14:00 (OBS! Vi levererar inte till icke brofasta öar)
Gratis

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Newtonian telescope with a built-in primary mirror cooling fan. Aperture: 304 mm. Focal length: 1520 mm

It is difficult to overestimate the capabilities of the Levenhuk Ra 300N Dobson telescope. With this telescope, you can see thousands of objects in the night sky, many of them in detail. Only the weather or an unfavorable state of the atmosphere can spoil the rendered picture. However, in good conditions, it will show many astronomical beauties. All objects of the NGC catalog, the Moon, planets of the Solar system with satellites, comets, etc. are available for observation. The telescope is ideal for conducting astronomy observations in the countryside and will be a good choice for both a beginner and an experienced astronomer.


Parabolic primary mirror with an aluminum coating


The primary mirror diameter is 300mm. It is parabolic, so optical distortion is minimized. The optics create a clear picture up to the maximum magnification. The aluminum coating has a reflectivity index of 92~96%. The optical component of this telescope is truly unrivaled. In addition, it features a dual-speed Crayford Focuser so that the focus can be smoothly adjusted.


Active cooling of optics for faster temperature stabilization


There is a cooling fan on the back of the telescope tube. It is used to speed up the process of temperature stabilization. Under normal conditions, it can take several hours for the optics to equalize with the ambient temperature. However, active cooling will almost halve this time. The fan is powered by batteries (purchased separately).


Dobsonian mount with an improved brake system side bearing for smooth tube movement


The Dobsonian mount has been significantly improved in comparison with the classic mounts of this type. A special brake system side bearingallows you to move the optical tube smoothly. You can move the optical tube a few centimeters up or down when using heavy eyepieces or an optional finder. There are scales on the mount sides for convenient balancing. The bearings have a more robust design, and so they will run smoothly throughout their entire service life.


Quick start kit


Besides the optical tube and mount, the kit includes a 9mm eyepiece, 30mm eyepiece, and 8x50mm finder. They will allow you to start observations right away.


Features:



  • Newtonian reflector with a 300mm primary parabolic mirror

  • Special aluminum coating with a reflectivity index of 92~96%

  • Active cooling for faster temperature stabilization and battery operation

  • Dual-speed Crayford focuser for precise focus adjustments

  • Easy-to-use Dobsonian mount, brake system side bearing for smooth tube movement

  • Minimum optical distortion, high aperture, and user-friendly design


The kit includes:



  • Telescope optical tube

  • Dobsonian mount

  • Plössl 9mm eyepiece

  • Super View 30mm eyepiece

  • Finder 8x50mm

  • Finderscope base

  • Cooling fan

  • User manual and lifetime warranty

BrandLevenhuk, Inc., USA
Warrantylifetime
EAN5905555002620
Package size (LxWxH)156x58x49 cm
Shipping Weight49.14 kg
Optical designreflector
Optical schemeNewtonian
Optics materialBK-7
Optics coatingaluminum
Primary mirror diameter (aperture), mm304
Secondary mirror obstruction, mm70
Lens (mirror) shapeparabolic
Focal length, mm1520
Highest practical power, x608
Aperture ratiof/5
Resolution threshold, arcseconds0.456
Limiting stellar magnitude14.9
EyepiecesPlössl 9mm (168x), Super View 30mm (50x)
Eyepiece barrel diameter, in1.25/2
Objective lens obstruction: by area0
Objective lens obstruction: by diameter23
Finderscopeoptical, 8x50
Focuser2", Crayford, dual-speed
Accessory trayyes
Telescope controlmanual
MountDobsonian
Mount materialwood
Additionalprimary mirror cooling fan
Operating temperature range,°C-5 — 35
User levelexperienced users, professionals
Assembly and installation difficulty levelcomplicated
Observed objectdeep-sky objects