Instruction/ maintenance manual of the product 82291 Celestron
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A dj ustment (Collimat ion) of Ne w t on ian- and SC-T elescopes with the help o f the LA SE R-COLLI TM by Baader P lanet arium Instruction Manual 2005 by Baade r Planetariu m Gmb H B A A DER PL A NETA RIUM Zu r St er n w ar t e • 82291 Mam m en d o r f • Tel .
2 Adjustm ent of N ewtonian Telesc opes wit h th e Laser-C olli ™ by Baader Pl anet arium Caution: LA SE R ! Never ever look directly i n to a las e r beam ! Prot ect your eyes ! ! Store the Laser-Colli ™ care f ully so th at it c annot be reac hed by children or inexperien ced adults .
3 Loss of collimati on is an important fa ctor t o b e aware of with te lesco p es of any design if per f o rm- anc e ‘ fa lls off ’ at any time. A r efractor ’ s eyepiece t ilt e d within its e yepiec e hold e r will show t he s ame low quality bl urred i m- ages.
4 Of course , the Laser - Colli ™ f unctions relia bly only i f the l aser beam it- self leaves its own hous- ing in an a bsolutely cen- tered position.
5 On Left : Clear, transl ucent Referenc e plane with etched cros s-marks M ost lase r colli mating devices us e a sim- ple opaque piece of plate glass to act as indicator for the r etu r n ing laser b eam. M any sma ll suppliers j u st scratc h the glass by using sand p aper in order t o get a cheap opaque re fe rence pla ne.
6 Read your telescope ins truction man ual f or the correct p r o cedur e to remove the mai n mirror cell. M ost manuals contain this i n the maintena nce part ” Cleanin g The Main Mir ror ” . Nearly all designs hold the m a in mirror cell in the t ube by t hree screws.
7 Pic tur e 2 below s hows first success: The l a ser ’ s light dot is correctly centere d within the marker ci rcle. M ost t elescope constr uctions a djust the secondary mirror by th re e lo aded screws like those (a lle n hea d scr e ws) shown here in the picture.
8 In th e lower s ket c h t he left sid e screw is t h readed into the mi rror support plate and wil l pull th at side d own, the right hand scr ew has it ’ s thread cut into t he bottom pla te and would li f t t he mirror up. The spring loaded mirror support is easier to ma nufacture and to work wit h.
9 Having the re flected las er beam s ho wi n g sa f ely on the grid plan e you can f inis h the collimation process quickly. Tilt the main mir ror with the help o f the adjustment screws until the l aser b eam passes through t he hole (and is re f lected into itsel f ).
10 In the silver body L ase r C o lli (picture below) no s harp dot is produced by th e reflected laser beam. The alignment pr ocedure itself is exact ly the same as for a Newton optics – only much simpler.
11 Changing batteri es Your L aser Colli T M has been adjuste d with the greatest of care f or lifelong service. I t do es not nee d to b e remov e d from it ’ s housing f or changin g the batteries.
An important point after buying a device Celestron 82291 (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 82291 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 82291 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Celestron 82291 you will learn all the available features of the product, as well as information on its operation. The information that you get Celestron 82291 will certainly help you make a decision on the purchase.
If you already are a holder of Celestron 82291, 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 82291.
However, one of the most important roles played by the user manual is to help in solving problems with Celestron 82291. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Celestron 82291 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
