Instruction/ maintenance manual of the product 52291 Celestron
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C5 Spotting Scope - #52291 Instruction Manual.
A spotting scop e is nothin g more than a t e les c ope that is design e d to look around the Earth. Unlik e astro nom ical telescope s, whi c h p roduce inv erted or revert e d images, spottin g scopes pr odu c e cor rect l y ori e nted i mages.
Assembly This s ecti on cov ers the cor rect set up and operating p rocedures f or y our C e lestro n C5 spottin g scope and in cludes infor m ation on visu al and p hotograph ic observation s . The C5 spo tt ing scope uses a combin a tion o f m irror s and lens e s to pro d uce an imag e .
The Ey e piece The eyepi ece, or ocular, is th e op ti cal ele m ent that mag nifies th e image foc used b y th e spotting scope. Th e eyepi ece fits into either the vi s u al back directl y or the erect i m ag e diagonal.
2. Slide th e rubb e r O-rin g onto the back ( ey epi ece end) of the f inder. 3. Position the O-ring o n the main bo dy of th e finder so that it i s toward th e front (i.e., o bjec tive) end of the finder. 4. Slide th e finder, e yepiece end first, int o the front ring of the bracket.
The emblem on th e end of the fo c us knob shows the correct rotatio nal direction for focusi n g your telescope . • 6x3 0 finder • Highest u seful magnif icati on — 300x • Lowest us eful magn.
pow e r and has a 30 mm objecti ve lens. Incident a l ly, power i s alwa y s compared to the un a id ed human eye . So an 8 p ower finder magnifie s ima ges e ig ht times m o re than the hu man eye.
To use y our C5 spotting scope visually: 1. Find a distant o bject that is f ai rl y bright. 2. Insert a low po wer eyepiece (o ne with a long foca l length — 25 to 30mm) in to the spotting scope. 3. Adjust the tripo d until the C5 i s po i nted in t he dire c ti on of the o bject you selec ted.
betwe e n 20 to 35 power for every in c h of ape r ture wh ich is 100 t o 175 times for the C5. Determining the field o f view i s impor ta nt if y o u want to get an idea of the angular si ze o f the ob ject you are observin g.
• When using your C5 as a telep hoto lens, th e split screen or micropris m focus e r of the 35 mm SLR c a mer a may “black out.” This is c ommon with all long fo cal length lens es. If this h a ppens, use the gro und glass portion of your focusing screen.
shou ld be 60% isop ropy l alco hol and 4 0% distilled water. Or, liquid dish soap diluted w it h wat er (a couple of dr ops per one q uart of water) can b e used. Occasion a ll y , you ma y experience dew b uild-up on the corrector plate o f your C5 dur ing an observing s ession.
To verify co llimation, view a star near the ze nith. Use a medium to high power ocular — 12 mm to 6 mm fo cal length. It is imp ortant to center a star in the center of the field to jud g e collimation. Slowly cross in and out of focus and judge th e symmetry of the star.
Conv ersely , if the collimation screw g ets t oo tight, then loo se n the other two screws by the same amoun t. 7. Once th e star image is in th e cent er of th e f ield of view, check to see if t he ring s are concentr ic .
The followi ng is a parti a l list of op tional accessori e s av a ilab le for y our Celestron C5 spo tting scope. You will find th a t additional accessories enhan ce your viewing p leasure and exp a nd t he usefulness of y our spotting scop e.
Night Visi on F lashligh t - (#935 88) - Celestron’s p remium model fo r astronom y , using two red LEDs to preserve nigh t vision bett e r than red filter s or other devices. Brightness is a djustab le. Operates on a single 9 v olt batter y (in cluded).
your C5 in to a 1250 mm telepho to lens perfect for t errestrial p hotograph y a nd shor t exposu re lunar p hotograph y . T-Ring - The T-Ring coup les your 35 mm S LR c amera bo dy to the T-Ad apter, radial gu ider, or tele-extend er. This acces sor y is mandator y if y o u want to d o pho tography thro ugh the teles cope.
Celestron 283 5 Columbia Street Torran ce , CA 90 503 U.S .A. Tel. (3 10) 328-95 60 Fax. (3 10) 212-5 835 Web sit e at h t tp//www. celestron. c o m Cop y r ight 200 6 Ce l estron All rig hts reserved. (Pro ducts or instruction s may change withou t notice or ob li gation.
An important point after buying a device Celestron 52291 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Celestron 52291 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Celestron 52291 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Celestron 52291 you will learn all the available features of the product, as well as information on its operation. The information that you get Celestron 52291 will certainly help you make a decision on the purchase.
If you already are a holder of Celestron 52291, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Celestron 52291.
However, one of the most important roles played by the user manual is to help in solving problems with Celestron 52291. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Celestron 52291 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
