Levenhuk Ra 250N Dob [3/16] Dobsonian telescopes levenhuk ra

Remove the dust cap and loosen the thumbscrew at the end of the focuser tube. Insert the desired eyepiece and retighten the

thumbscrews to hold the eyepiece in place. Complete assembly of the OTA and base.

After you have assembled the OTA and the mount, you can place the optical tube on the wood base. Once this is complete, you

can start observing the night skies.

Before you can begin your rst observations with your new Levenhuk telescope, you have to assemble the Dobsonian mount and

prepare the OTA for observations. It is recommended that you assemble the telescope in the order indicated in this user guide.

Locate the nderscope bracket and remove the rubber ring from it. Slide the rubber ring into the groove on the nderscope tube.

Slide the nderscope bracket into the mount on the optical tube and tighten the screw to hold the bracket in place. Loosen the

two adjustment thumbscrews on the bracket. Slide the nderscope tube into the bracket until the rubber ring locks in place.

started.

All parts of the telescope will arrive in one box. Be careful when unpacking it. We recommend keeping the original shipping con-

tainers. In the event that the telescope needs to be shipped to another location, having the proper shipping containers will help

ensure that your telescope survives the journey intact. Make sure all the parts are present in the packaging. Be sure to check the

box carefully, as some parts are small. No tools are needed other than those provided. All screws should be tightened securely to

eliminate exing and wobbling, but be careful not to overtighten them, as that may strip the threads.

During assembly (and anytime, for that matter), do not touch the surfaces of the optical elements with your ngers. The optical

surfaces have delicate coatings on them that can easily be damaged if touched. Never remove mirrors from their housing, or the

product warranty will be null and void.

CAUTION! Never look directly at the Sun — even for an instant — through your telescope or nderscope without a profes-

4

5

Mount assembly

Finderscope assembly

Eyepiece assembly

Specications