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Important Notice

This focuser is designed to hold many pounds without problems. If nonetheless your setup 
requires additional tension adjustment, please use the tension allen screw under the focuser. 
In order to avoid sagging or denting of the focuser steel reinforcement, it is necessary to adjust 
tension ONLY when the drawtube is FULLY EXTENDED.

Extend the focuser drawtube to its full 115 mm as in the picture here above 
before performing adjustment.

William Optics warranty does not cover damage to the focuser due to inappropriate tension setting.

Caution for Safety

Bundle Equipment

1. Aluminum carrying case.

2. Gold plated dew shield cover.

3. 115mm mounting rings.

4. 2" to 1.25" adapter.

5. Various accessories depending on the package.

6. 2" extender

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Caution!  Never directly view the Sun with your telescope! 

Do  not  aim  your  telescope  at  the  Sun  without  a  front  mounted  high  quality 

professionally manufactured solar filter.  Viewing the Sun without the proper protection 

may  result  in  permanent  severe  damage  to  your  eyes,  and  even  cause  blindness.  

Contact your Authorized WO Dealer if you are interested in purchasing a compatible 

and proper solar filter.

Always  place  the  telescope  on  a  flat  surface,  to  prevent  it  from  falling  and  injuring 

yourself or others.

Never  use  the  telescope  in  the  rain  or  in  conditions  where  it  may  get  wet.    The 

telescope is not designed to be waterproof.  If the telescope accidentally gets caught 

in the rain, immediately wipe off all water using a clean dry soft cloth.  If the telescope 

gets  totally  soaked  in  water,  immediately  contact  your  Authorized  WO  Dealer  for 

service instructions. 

Do not disassemble or attempt to repair your telescope without a written authorization 

from  William  Optics  Corp.,  as  this  violates  the  warranty  terms  under  the  limited 

product warranty, and negates any guarantee.

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Storage and Cleaning

We suggest placing all accessories inside an airtight container with desiccative control.
Secondly, remember to store the telescope in a non-humid environment, never leave it in 
a hot heated environment.  If not properly stored, it may develop mildew growth and other 
preventable build up. 
Be  particularly  careful  after  a  night  observation  that  the  lens  has  no  dew  on  it  before 
storing the telescope away.

In case the lens surface becomes dusty, smeared, or gets fingerprints or fungus build-up 
on it, first of all, remove any surface particle by using an air blower, then carefully proceed 
to wiping the lens gently with a lint-free proper soft cloth. Use a lens liquid cleaner to get 
the best cleaning result. Make sure you change your cloth to a new one from time to time. 
The  above-mentioned  indications  are  not  necessary  if  you  carefully  protect  your 
telescope.

The multi-layer paint white finish of your Fluorostar 110 is easy to ruin. Please take care 
of  the  exterior  body  tube  by  wiping  it  down  with  a  slightly  damp  soft  cloth  from  time  to 
time. Water should be enough to do the job. Please do not use any organic solvent on 
your  telescope,  for  example  alcohol,  benzene  and  other  hazardous  chemical  as  this 
might ruin it. 

Summary of Contents for ZenithStar 110

Page 1: ...AM OPTICS USA Crafting the Earth s Finest Astronomical Instruments CONTACT US WILLIAM OPTICS USA Toll Free 1 866 918 6888 For USA only Tel 1 714 898 7989 Fax 1 714 892 6067 web www william optics com...

Page 2: ...e updated information These instructions will also guide you through how to properly maintain the ZenithStar 110 and how to operate it at its maximum capabilities Please carefully familiarize yourself...

Page 3: ...ing Magnitude Lens Shade Focuser 1 25 Adapter L type Mount Field Stops Dew Shield O D Tube Diameter Tube Length Tube Weight Case Case Dimensions WxHxD Case Weight Triplet APO Design Air Spaced TMB des...

Page 4: ...c s c o m Remember to insure that the mounting rings knobs are tight before operations Connection Instructions Mounting Rings Step 1 Step 2 Step 3 Fully extend the dewshield cover before placing the O...

Page 5: ...bjects using low power eyepieces 20X magnification and then zoom in by switching to higher powered eyepieces The largest field of view will be seen using a 12X low power wide field of view eyepiece Al...

Page 6: ...ntally gets caught in the rain immediately wipe off all water using a clean dry soft cloth If the telescope gets totally soaked in water immediately contact your Authorized WO Dealer for service instr...

Page 7: ...cessary William Optics offers a TMB designed reducer field flattener optimized for the 110mm TMB Triplet APO lens A mirror diagonal or erecting prism The 2 WO Dielectric model is strongly recommended...

Page 8: ...multi coated Parfocal Ultra Wide Angle 82 28mm 2 16mm 1 25 7mm 1 25 4mm 1 25 S W A N E y e p i e c e s U W A N E y e p i e c e s P12 C r a f t i n g t h e E a r t h s F i n e s t A s t r o n m i c a...

Page 9: ...P r i s m s 2 45 1 25 45 with 2 Barrel 1 25 45 2 9 0 E r e c t i n g P r i s m P14 C r a f t i n g t h e E a r t h s F i n e s t A s t r o n m i c a l I n s t r u m e n t s P h o t o A d a p t e r An...

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