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16
Service, Maintenance and Accessories
Your Explore Scientific truss Dobsonian is a precision instrument that will provide many years of fun. When you are
treating this telescope with the same care as, for example, an expensive camera, it is very unlikely that you will ever
need to return it for service or maintenance. For instructions on how to remove the primary mirror for cleaning call
customer service at 866.252.3811.
NOTE: DO NOT USE AGGRESSIVE CLEANERS!
Do not use photographic lens cleaners and cloths that have been perfume impregnated, colored or soaked with
lotion, to clean any optical surfaces. If using such cleaning agents, the optics can be permanently damaged!
Please note the following recommendations for maintaining your telescope:
1. Try to avoid cleaning the optics. Dust on the optical system will not deteriorate the performance of the optical
system by any noticeable amount. Dust should not be a reason to clean the optics.
2. If cleaning the optics is necessary it is best to brush away the dust with a fine camel hair brush as it is used for
photographic equipment. Do NOT use optical lens cleaning tissues as many contain fiberglass particles that can be
abrasive.
3. Organic dirt (fingerprints etc.) can be removed from the optical surface with a mixture of 3 parts distilled water
and one part pure isopropyl alcohol (99%). Only use soft, white, unscented, lotion-free tissues to wipe optics. Soak
the primary mirror to dissolve the dirt and remove the fluid with short, cautious strokes. Remember to change
tissues every few strokes. For instructions on how to remove the primary mirror for cleaning call customer
service at 866.252.3811.
NOTE: NEVER REMOVE THE SECONDARY MIRROR!
4. While you are using your telescope during the night you will eventually have dew condensing on the surfaces.
This will not cause any trouble – your telescope is designed to take a little moisture without problems. When you
store the telescope, however, we recommend wiping the surfaces (except for the optics) with a dry cloth and giving
the telescope some time to evaporate the water on the optics by putting the telescope into a dry room with the lid
of the mirror box open. Wait until all water has dried off before storing the telescope.
Accessories:
Explore Scientific has a large portfolio of accessories available for your telescope.
For a complete overview of these accessories, visit www.explorescientific.com.
If you have any question regarding this product, please do not hesitate to contact our Customer Service
department at 866.252.3811 or at https://explorescientific.supportsync.com. In case of the unlikely event that
your telescope needs service or repair at our facility, please contact one of our customer service representatives
before sending anything back. The large majority of service issues can be dealt with on the phone without sending
anything back to us.
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