Pentax 10 manuale d’uso

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2 Owners Manual 2.1 © T elepor t, 2001 Manual Design: Linda Silas, The Anne x Studios 972-429-1636, www .annexstudios.com T HE T ELEPORT is designed and hand-crafted by T om Noe 972-442-5456 tomnoe@wtd.net 4030 N. Hwy 78, Wylie, TX 75098[...]

3 T ELEPORT 10” The Telescoping Telescope Owners Manual 2.1 As y ou read through this manual, w atch f or the f ollo wing symbols: Caution! ➤ Tip Note: Observation Enclosed with y our telescope you will also find a user ’s manual f or the Pro tostar Diagonal Mount Assembl y used in the T elepor t. PG C ONTENTS 4 Overview 5 Handling & Safe[...]

4 Overview finder eyepiece focuser spider secondary mirror strut shroud upper clamp lower clamp cover power supply ground board friction damper alititude ring altitude bearing top plate carrying strap altitude ring strut clamps serial# plate accessories drawer finder baseplate shroud Fig1: The 10” T eleport closed Fig 2: The 10” T elepor t open[...]

5 Handling & Safety The T elepor t is a precise, lightweight, ver y portable 10” reflecting telescope. It has a “Newtonian” optical system and an altazimuth or “Dobsonian” type mounting. Many aspects of it are more advanced than other telescopes of this type, and some special techniques are needed for proper operation. Be sure to read[...]

6 Unpacking Unpacking your scope 1. Wi th the box f laps open and the top foam pad remo v ed, or ient the bo x so the T eleport logo on the top of the cov er is right-reading. 2. Slide a hand do wn each side about tw o inches and insert your fingers belo w the co ver f laps and into the altitude rings (see F ig 4, page 5) 3. Grasp bo th rings f irm[...]

7 Getting Started Unlocking from “Shipping Mode” The T elepor t is simply closed for routine transpor t and opened again for use. When it was packed for shipping, the primar y mirror was “locked” and must be “unlocked” before first use.This will take some time, but will also familiarize you with many details of your new scope Y ou will [...]

8 Opening Opening the T elepor t takes less than a minute, once you are familiar with the procedure. It’s ver y easy , but improperly performing some steps can cause collimation error , reducing the image quality . It can also cause poor stability , and even damage even damage even damage even damage even damage. Practice the steps exactly exactl[...]

9 5. Continuing to lift f irmly with y our left hand, almost enough to lift the scope from t he ground, tighten both left strut clamps with your right (Fig 1 6). 6. Grasp the right strut upper section f irmly with your right hand, and again hold upwar d enough to almost lift the scope. 7. Continuing to lift f irmly with y our right hand, tighten bo[...]

10 Closing Closing the T elepor t is quite easy , but several small details will make a difference. As with the opening procedure, per form the steps in a precise and consistent way , practicing to make it easier and to minimize the potential for an accident. Prepare and Lower the Secondar y Cage 1. Aim the scope straight up, and turn it so the fin[...]

11 Collimation Any optical system must be properly collimated for best image quality . Collimation procedures can become a bit involved, as indicated by the many ar ticles and books in telescope literature. The design and construction of the T elepor t leaves only two variables that will nor - mally need to be checked, namely the angles of both mir[...]

12 Fig 21: Pulse control The Finder The T elepor t’s Rigel Systems finder lets you easily place a par ticular object or sky area in the eyepiece field. It is easier to use than con- ventional finder scopes that have a more limited field or a reversed image, or both. Mounting 1. Wi th the Teleport open and vertical, stand behind it and locate the [...]

13 Finding Objects Look directl y at the star or o ther object, or the area of t he sky you w ant to aim at. Keeping bot h ey es open, mo v e the T eleport so that the f inder comes betw een one ey e and where you w ant t o aim. P osition it so the object or area is centered in the circles. Finder Alignment 1. Wi th a long focal length e yepiece (a[...]

14 Eyepieces The T elepor t’s 2” focuser and 1.25” adapter allow the use of many different eyepieces. Many types are available with a wide range of features, quality and price. Over the past several years I have evalu- ated many of the better types for use with the T elepor t. As a group, I have found none as good overall as the Pentax XL ser[...]

15 Holding the Eyepiece in Place The clam ping scre w can be insert ed in an y of three threaded holes in t he f ocuser . I don’t normally use it, as t he n y lon fr iction scre w in the f ocuser is more con v enient. Set it to be just snug f or your e yepieces. Accomodating Other Eyepieces Balance Balance Balance Balance Balance Experienced obse[...]

16 Observing Ever y observer has favorite methods and objects. Many excellent books are available to help the beginner become familiar with the sky and learn the procedures for studying it. Here we present a few suggestions regarding the use of the T elepor t, leaving the broad view of obser ving up to you and your chosen reference materials. The T[...]

17 Vi ewing Begin with lower power. Begin with lower power. Begin with lower power. Begin with lower power. Begin with lower power. If y ou are not an e xperienced obser v er , use ey epieces in the 20-40 mm f ocal length rang e to make f inding objects easier . The wider f ield is more lik ely to contain what y ou are looking f or , and moving the[...]

18 Electrical Power Supply Y our Teleport is equipped with a po w er suppl y , fan, and secondary and ey epiece heaters. These enhance y our obser ving under certain condi- tions b y quick er tem perature eq uilibration of the primar y mirror and r eduction of de w f ormation problems. The po w er supply is in t he front of the mirror box. It conta[...]

19 Mirror Fan The mirror fan speeds up the cooling or w arming of the pr imary mir r or when the T eleport has been stored in warmer or colder conditions. While changing tem perature, t he mirror will distor t, reducing imag e q uality . If you wish to observe right a wa y , switch the fan on when y ou set up t he scope. If the tem perature chang e[...]

20 Cleaning Cleaning the Primary Pro tect your mirror b y keeping y our telescope closed when not in use, so that cleaning will be needed v er y infr equentl y . Over time, y ou will see an accumulation of dirt, but it will hav e less effect on the imag e q uality than y ou w ould e xpect. (U nder some lighting conditions, such as with a f lashligh[...]

21 16 . If y ou ha ve a source of clean dry air , blow the w ater off the mir ror , including the rear triangles. If y ou don't hav e the air source, allo w the mirror to stand until dr y . 17 .R eplace the mirror in the cell in its or iginal orientation (serial number at the top) and press the str ap tape against the mirror edge. 18 . Ins tal[...]

22 Service Instructions for some procedures follow . For other ser vice questions, just send an email or give me a call! Cleaning Clean the op tics only when reall y necessar y , f ollo wing the instructions in the prior section. Wi pe the laminated bear ing surfaces and the remainder of t he scope with a dam p clot h, then a clean, dry one. Nuts a[...]

23 s n o i s n e m i Dh " 6 2 x d " 4 1 x w " 5 . 4 1 y r a m i r P s e r u t c u r t S m m 2 1 - 3 , y l P e l p p A h s i n i Fg n i t a o c e n a h t e r u y l o p d e z y l a t a c T e n a l o P r e h t O s e r u t c u r t S , e t a n i m a l , n o l f e T , S B A , l a t e c a n i r l e D . c t e , x e d n a p s a r c y l t h g [...]

T ELEPORT 972-442-5456 tomnoe@wtd.net 4030 N. Hwy 78, Wylie, TX 75098[...]