Celestron Refractor 80ED manuale d’uso

8 8 0 0 E E D D S S p p o o t t t t i i n n g g S S c c o o p p e e ( ( # # 5 5 2 2 2 2 8 8 0 0 ) ) I I N N S S T T R R U U C C T T I I O O N N M M A A N N U U A A L L[...]

2 INTRODUCTIO N A spotting scope is no thin g more th an a t elescope that is desig ned to look arou nd the Ea rth. Unlik e astronom ical telesc opes, which produce invert ed or reverted im ages, spot ting scopes produc e correctly orien ted im ages. Celestro n offers sever al dif ferent m odels, each of whi ch uses the hig hest quality opt ics to [...]

3 GETTING ST A RTED The high m agnifica tion of y our spotting scope m ak es it very difficu lt to handho ld and, as a resul t, it must be at tached to a stab le platfo rm. The 80ED has a tr ipod adap ter, which is locate d on the bottom of the spo tting sco pe' s tube ring . Remo ve your spot ting scop e from the box and a ttach it to a m oun[...]

4 80ED Spotting Scope 25mm Plossl Eyepiece 1 1 / 4 ” (24x) 45° Erect I mage Diag onal – 1 1 / 4 ” 6x30 Erect I mage Finders cope Lens Caps ¼ x 20 Doveta il Mounti ng Adapter Take a few m inutes to study the diagram below to he lp fam iliariz e yourself with the v arious part s of your spotting scope for set up and ongoing us e. Figure 1 –[...]

5 6. Insert the chrom e barrel o f the ey epiece in to the 45 º Erect I mage D iagonal. 7. Tighten th e thum bscrew on the 45° Erect I mage D iagonal to ho ld the ey epiece in place. A ttaching The Finderscope Your spotting scope com es with a 6x30mm erect im age finder scope to h elp you loc ate dis tant objec ts that m ight be diffi cult to f i[...]

6 4. Tighten e ach screw a qua rter turn so the find er does n ot come loo se. Using Your Spotting Scope Visual ly With the s tandard accessori es atta ched, you are ready for your f irst look . 1. Point the f ront end o f the spotting scope a t a distan t object. 2. Locate the ob ject in th e fin derscope. 3. Look throug h the spotting scope and t[...]

7 Attaching a Camer a To attach a camera to your 80ED spotte r: 1. Rem ove all visu al accesso ries. 2. Thread th e proper T-Ring onto the bu ilt- in T-Adapter thread s at the end of the 1.25" ey epiece adapter. 3. Mount y our camera bo dy onto the T-Ring the same as you would any other lens. Focusing The Camera The focus ing m echanism is the[...]

8 Technical Specificati ons Below is pert inent techn ical in formati on on your 8 0ED spot ting scope t hat you may find useful. 80ED Optical Sy stem Refracto r Aperture : 80mm (3.15") Focal Leng th: 600mm (23.5") Near Focus: with in cluded ey epiece ~20' Useful Power Rang e: 12x to 189x Linear Field of View: 116' w ith 25mm Ey[...]

9 VISUA L OBSER VING INFORMA TION Focusing When work ing w ith any op tical ins trument, there are sev eral focu sing hin ts that w ill ensure that y ou get the sh arpest po ssible im age. The hints li sted here a re for v isual observ ing and photog raphy. Never look through g lass. Glass found in house hold windows is opt ically im perfect a nd m[...]

10 Field of View Determ ining th e field of v iew is im portant if you w ant to get an idea of the size of th e object y ou are observing. To cal culate the actual fi eld of view, div ide the apparent fie ld of the eyepiece (sup plied by the eyep iece m anufacture r) by the ma gnification. I n equation form at, th e form ula look s like th is: Appa[...]

11 A STRONOMY WITH YOUR SPOTTING SCOPE A spotting scope is no thin g more th an a t elescope that p roduces co rrect ly orien ted im ages. That is why all Cele stron telescop es and spo tting scope s are so well- suited fo r looking around the Ear th. But this in no way lim its a sp otting scope to terr estrial use. On the contrary , the 80ED spot [...]

12 Photographing the Moon After look ing at the n ight s ky for awhile y ou m ay want to try photog raphing it. I f you do, start with a nice, bright objec t like the Moon. To photograph the Moon: 1. Attach y our spotting scop e to a s table pla tform like the Celes tron Photog raphic Tripod (#93596) . 2. Load your cam era with fil m that has a m o[...]

13 OPTIONA L A CCESSORIES You will find that additional accessories enhance your vie w ing pleasure and expa nd the usefulness of your spotting scope. For ease o f reference, all th e accessories are listed in alp habetical order. Advanced GT Germ an Equatorial Mount (#9151 8) – Tur n your 80ED spotti ng s cope into a w ide fiel d photograph ic i[...]

14 • Axiom – As an extension of the Ultima line, a new wide angle series is offered – called the Axio m series. All units are seven element designs and feature a 70º extra wide f ield of view (except the 50mm). All are fully multicoated and contain all the features of the Ultimas. Filter, Contras t-Booster 1- 1/4" by Baad er - (#941 21)[...]

CELESTRON TWO YEAR WARRANTY A. Cel estr on war rants this tele sco pe to be f ree f rom de fects in m ater ials an d w orkmans hip f or tw o ye ars. Cele stro n will repa ir or repl ace such pr oduc t or part the reo f which, upo n ins pect ion by Cele stro n, is found to be de fectiv e in m aterial s o r wor kmanshi p . As a con diti on to t he ob[...]

2835 Columbia S treet Torrance, CA 90503 U.S.A . (310)328- 9560 (310) 212- 5835 (FAX) Web site: http:www.celestron.com Copyrig ht 2004 Celestron All rig hts res erved. Products o r instructi ons may change withou t notice or oblig ation. Printed in China 0 5-04[...]