Celestron Onyx80EDF Owner'S Manual Download Page 8

 

 

 

 

 

 

CELESTRON TWO YEAR WARRANTY 

 

A.  Celestron  warrants this telescope to be free from defects in materials and workmanship for two years.   Celestron will repair or 

replace such product or part thereof which, upon inspection by  Celestron, is found to be defective in materials or workmanship. 
As a condition to the obligation of  Celestron to repair or replace such product, the product must be returned to  Celestron 
together with proof-of-purchase satisfactory to  Celestron. 

 
B.  The Proper Return Authorization Number must be obtained from  Celestron in advance of return.  Call Celestron at (310) 328-

9560 to receive the number to be displayed on the outside of your shipping container. 
 
All returns must be accompanied by a written statement setting forth the name, address, and daytime telephone number of the 
owner, together with a brief description of any claimed defects.  Parts or product for which replacement is made shall become 
the property of Celestron. 
 

The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of  
Celestron, and shall be required to prepay such costs. 

 
 Celestron shall use reasonable efforts to repair or replace any telescope covered by this warranty within thirty days of receipt. In 
the event repair or replacement shall require more than thirty days,  Celestron shall notify the customer accordingly.   Celestron 
reserves the right to replace any product which has been discontinued from its product line with a new product of comparable 
value and function. 
 

This warranty shall be void and of no force of effect in the event a covered product has been modified in design or 
function, or subjected to abuse, misuse, mishandling or unauthorized repair.  Further, product malfunction or 
deterioration due to normal wear is not covered by this warranty. 

 
CELESTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF 
FITNESS FOR A PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HEREIN. 
 
THE SOLE OBLIGATION OF CELESTRON UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR 
REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN.   CELESTRON 
EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES 
WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE OR INABILITY TO 
USE ANY CELESTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE 
DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL 
RETAIL PURCHASE. 
 
Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied 
warranty lasts, so the above limitations and exclusions may not apply to you. 
 
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. 
 
 Celestron reserves the right to modify or discontinue, without prior notice to you, any model or style telescope. 
 
If warranty problems arise, or if you need assistance in using your telescope contact: 

 

 

Celestron 

 Customer 

Service 

Department 

 

2835 Columbia Street 

 

Torrance, CA 90503 USA 

 Tel. 

(310) 

328-9560 

 

Fax. (310) 212-5835 

 

Monday-Friday 8AM-4PM PST 

 
 
 

 

This warranty supersedes all other product warranties. 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: 

This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an Authorized  

Celestron Dealer in the U.S.A. or Canada.  Warranty outside the U.S.A. and Canada is valid only to customers who purchased  
from a  Celestron  Distributor or Authorized  Celestron Dealer in the specific country and please contact them for any 
warranty service

 

Summary of Contents for Onyx80EDF

Page 1: ... screw into the tripod mounting bracket to secure the scope in place Equatorial Mount Your Onyx 80EDF s mounting bracket can be used with the Advanced GT CG 5 equatorial mount Follow the directions in your mounts owner manual for instruction on attaching the optical tube VISUAL OBSERVING INFORMATION Focusing In order to focus your telescope for visual use it is necessary to use the appropriate dia...

Page 2: ...e the magnification with your telescope simply divide the focal length of your telescope by the focal length of the eyepiece In equation format the formula looks like this Focal Length of Telescope mm Magnification ___________________________________________________ Focal Length of Eyepiece mm For example to determine the magnification of the 80EDF with a 25mm eyepiece divide the focal length of t...

Page 3: ...l shutter releases can be used though air type releases are best Blurry pictures can also result from shutter speeds that are too slow To prevent this use films that produce shutter speeds greater than 1 250 of a second when hand holding the lens If the lens is mounted on a tripod the exposure length is virtually unlimited Another way to reduce vibration is with the Vibration Suppression Pads 9350...

Page 4: ...ts have a large angular size Therefore low to moderate power is all you need to see them Second visually they are too faint to reveal any color that is common to photographs Instead they have a black and white appearance And lastly because of their low surface brightness they should be observed from a dark sky location Light pollution around large urban areas washes out most nebulae making them di...

Page 5: ...ith a camel s hair brush or a can of pressurized air Spray at an angle to the lens for approximately 2 to 4 seconds Then use an optical cleaning solution available at most optical suppliers and white tissue paper to remove any remaining debris Strokes should go from the center of the lens to the outer edge Do not rub in circles You can use commercially made lens cleaner or mix your own A good clea...

Page 6: ...udes an adapter to accept 1 eyepieces It has a Starbright XLT multicoated mirror and smooth mechanics that are precision manufactured for reliability Diagonal Erect Image 45 1 1 4 94112 A Celestron s Erect Image Diagonals are an Amici prism design This design allows you to look into the telescope at a 45 angle at images that are oriented properly meaning the image is upright and correct from left ...

Page 7: ...tarbright XLT Length 16 inches Instrument Weight lb 6 lbs A Word of Caution Your Celestron telescope is designed to give you hours of fun and rewarding observations There are however a few things to consider before using your telescope that will ensure your safety and protect your equipment Never look directly at the Sun with the naked eye or with your telescope Permanent and irreversible eye dama...

Page 8: ...ing or unauthorized repair Further product malfunction or deterioration due to normal wear is not covered by this warranty CELESTRON DISCLAIMS ANY WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE EXCEPT AS EXPRESSLY SET FORTH HEREIN THE SOLE OBLIGATION OF CELESTRON UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT IN ACCORDANCE WI...

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