Celestron 52280 Instruction Manual Download | Manualshive

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2835 Columbia Street
Torrance, CA 90503 U.S.A.
(310)328-9560
(310) 212-5835 (FAX)
Web site: http:\\www.celestron.com

Copyright 2004 Celestron
All rights reserved.

Products or instructions may change without notice or obligation.

Printed in China 05-04

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Summary of Contents for 52280

Page 1: ...8 80 0E ED D S Sp po ot tt ti in ng g S Sc co op pe e 5 52 22 28 80 0 I IN NS ST TR RU UC CT TI IO ON N M MA AN NU UA AL L ...

Page 2: ...estron spotting scope is designed to give you hours of fun and rewarding observations There are however a few things to consider before using your spotting scope that will ensure your safety and protect your equipment Never look directly at the Sun with the naked eye or with your spotting scope Permanent and irreversible eye damage may result Never use your spotting scope to project an image of th...

Page 3: ...tform in first then pivot the back in 3 Push the platform lock counterclockwise until it touches the under side of the tripod head This will hold the platform in place Once mounted on the tripod you are ready to attach the standard accessories Equatorial Mount Your 80ED has a dovetail bracket on the bottom of the tube ring clamp that allows it to be used with the Advanced GT CG 5 equatorial mount ...

Page 4: ...ttaching the Standard Accessories With your spotting scope attached to a sturdy mount as described earlier in this manual you are ready to attach the standard accessories To do this 1 Remove the protective covers from the focuser of the spotting scope the 45º Erect Image Diagonal and the eyepiece 2 Loosen the thumbscrew on the focuser of the spotting scope so that the opening i e inner diameter is...

Page 5: ...hed to the finderscope into the mounting bracket on the spotting scope Tighten the thumb screw on the mounting bracket to hold the finderscope in place See figure 3 Aligning the Finderscope The 6x30mm finder is adjusted using two adjustment screws located on the top and on the right when looking though the finder of the finder bracket and a spring loaded pivot screw located on the left side of the...

Page 6: ...e thumbscrew on the 45 Erect Image Diagonal to hold the eyepiece in place With the new eyepiece in place you will need to refocus your spotting scope unless the eyepieces have the same focus point something known as being parfocal Once again turn the focusing knob until the image is sharp Celestron offers a wide variety of eyepieces as optional accessories To determine the magnification of each ey...

Page 7: ...you have the sharpest possible focus To achieve a very sharp focus consider using a focusing magnifier These devices are readily available from your local camera store If you can not get a sharp focus check to see if your subject is closer than the near focus distance listed in the Technical Specification section Storing Your Spotting Scope To minimize the need to clean your spotting scope replace...

Page 8: ...l Length 600mm 23 5 Near Focus with included eyepiece 20 Useful Power Range 12x to 189x Linear Field of View 116 with 25mm Eyepiece Angular Field of View 2 2 with 25mm Eyepiece F ratio f 7 5 Length 22 Weight 7 5 lbs Note All specifications are stated for the 80ED spotting scope using the standard accessories These specifications are approximate and may change without notice ...

Page 9: ...OT perform to their fullest under adverse conditions Calculating Magnification Power You can change the magnification of your spotting scope simply by changing the eyepiece also called an ocular To determine the magnification with your spotting scope simply divide the focal length of your spotting scope by the focal length of the eyepiece In equation format the formula looks like this Focal Length...

Page 10: ...s photographically you need to set your shutter speed accordingly Most 35mm SLR cameras offer through the lens metering which lets you know if your picture is under or overexposed Adjustments for proper exposures are made by changing the shutter speed Consult your camera manual for specific information on metering and changing shutter speeds Reducing Vibration Releasing the shutter manually can ca...

Page 11: ...Venus go through its lunar like phases Mars reveals a host of surface detail and one if not both of its polar caps You will be able to see the cloud belts of Jupiter and the great Red Spot if it is visible at the time you are observing In addition you will also be able to see the moons of Jupiter as they orbit this gas giant Saturn with its beautiful ring system is easily visible at moderate power...

Page 12: ... a good photo Keep accurate records of your exposures This information will be useful if you want to repeat your results or if you want to submit some of your photos to various magazines for possible publication CARE AND CLEANING OF THE OPTICS Occasionally dust and or moisture may build up on the lens of your spotting scope Special care should be taken when cleaning any optical instrument so as no...

Page 13: ...the barrel of a 2 focuser This diagonal includes an adapter to accept 1 eyepieces It has a multicoated mirror and smooth mechanics that are precision manufactured for reliability Eyepieces Like telescopes eyepieces come in a variety of designs Each design has its own advantages and disadvantages For the 1 1 4 barrel diameter there are four different eyepiece designs available OMNI Plössl Plössl ey...

Page 14: ...nd contain all the features of the Ultimas Filter Contrast Booster 1 1 4 by Baader 94121 This is our newest high quality filter that eliminates most color aberration inherent in achromatic refractor telescopes The filter also reduces your view of the blue hue around lunar and planetary subjects Features multi layer coatings for 95 transmission A full description of all Celestron accessories can be...

Page 15: ...lfunction 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 EXPRE...

Page 16: ...t Torrance CA 90503 U S A 310 328 9560 310 212 5835 FAX Web site http www celestron com Copyright 2004 Celestron All rights reserved Products or instructions may change without notice or obligation Printed in China 05 04 ...

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