ASTRODEVICE TC 900 User Manual Download Page 8 | Manualshive

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Summary of Contents for TC 900

Page 1: ...Tilt Corrector TC 900 User Manual rev 2022 11 09 ASTRODEVICE...

Page 2: ...Package contents 1 Tilt Corrector 2 M4x8 screws 6 pcs 3 M4x4 headless screws 4 pcs 4 M2 5x10 screws with washers 4 pcs 1 4 6 3 2 3 4...

Page 3: ...on a special procedure described further in this manual makes it possible to transfer the determined settings to the camera s original black tilt plate or to the Astrodevice lter drawer Usage The devi...

Page 4: ...S1 S2 S3 The narrower ring R1 is mounted to the camera housing through mounting holes H1 H4 Rotation of screws S1 S2 and S3 pushes back the wider ring R2 and thus changes the camera s tilt angle Cloc...

Page 5: ...g with ne threads and strong yet small parts Everything should work smoothly and if there is any resistance it should be even and easy to overcome A no ceable slightly greater resistance to the rota o...

Page 6: ...g 1 X X X X X 7 X R1 R2 S1 S2 S3 T1 T2 T3 B1 B2 B3 H1 H2 H3 H4 BS1 BS2 BS3 TS TS TS TS TS TS...

Page 7: ...e STEP 1 Mounting the Tilt Corrector on the camera Before you proceed prepare a small ziplock bag into which you can hide the screws you will be removing This will make your work much more e cient 1 P...

Page 8: ...g 2 g 3 g 4 9...

Page 9: ...ix screws of the camera housing and then screwing new screws in through the holes in the Tilt Corrector ring Using a 2 mm hex wrench remove the four M2 5x8 screws marked in g 7 in blue Note that these...

Page 10: ...11 g 5 g 6 g 7 11...

Page 11: ...g 8 g 9 12...

Page 12: ...lt Corrector with both hands and slide it on top of the camera g 12 Look from the top and ne tune the positioning so that the Tilt Corrector s mounting pro les go into the notches in the housing from...

Page 13: ...g 10 g 11 14...

Page 14: ...g 12 g 13 15...

Page 15: ...g 14 g 15 3 mm 16...

Page 16: ...n the tilt plate with the supplied M4x8 screws using a 2 5 mm hex wrench g 17 red circles After screwing the tilt plate return to the initial position by turning the screws S1 S2 and S3 back which is...

Page 17: ...g 16 g 17 18...

Page 18: ...g 18 d m ax 70 m m h 5 m m g 19 19...

Page 19: ...ped with ve M2 5 screws for attaching it to the camera Turn the drawer s large M87 nut so that the screw heads are exposed from the top of the drawer Then slide the screws out of the drawer by pushing...

Page 20: ...g 20 g 21 21...

Page 21: ...g 22 g 23 22...

Page 22: ...g 24 g 25 23...

Page 23: ...to the Tilt Corrector rst install the middle bracket the pink one on g 24 When installing it raise or lower the drawer so that the sharp edge of the bracket enters the gap as described above Screw in...

Page 24: ...elescope you should do the following 1 screw the camera onto the telescope use piece of adhesive tape and mark the physical top of the large M87 nut 2 pull the camera o the telescope 3 loosen all moun...

Page 25: ...it is impossible to give a single algorithm of operation that would be e ective in all cases The success of the correction depends largely on how much we know about the actual cause of the aberration...

Page 26: ...a heavy mirror wanting to op This kind of problem is hard to eliminate Sometimes mirror lock helps if the telescope has such a mechanism Sometimes it helps to remove the electric focuser and relax te...

Page 27: ...lescope This is an important distinction If your tilt rotates with the camera you will be able to transfer the correction set with the Tilt Corrector to a tilt plate or Astrodevice lter drawer and lat...

Page 28: ...uld also set bin 1x1 and NOT use an auto focus program Focus should be manually set in the center of the frame such as using a Bahtinov mask Despite all these e orts the turbulence of the atmosphere o...

Page 29: ...s 0 7 mm di erence in distance where the screw is and roughly 0 2 mm in the corner of the sensor Note that two of the screws are close to the corners of the sensor while the third raises the opposite...

Page 30: ...g 30 S1 S2 S3 31...

Page 31: ...however users always mount the camera in the same way placing the sensor perpendicular or parallel to the telescope s base So if your tilt is o camera e g formed in the telescope you can mount the ca...

Page 32: ...up 4 From the rst tab T1 T2 or T3 whichever you choose unscrew one M4x8 screw see g 31 5 Carefully and slowly screw the headless screw into the black tilt plate Stop as soon as you feel the rst resist...

Page 33: ...g 31 g 32 34...

Page 34: ...abs from the Tilt Corrector see g 37 14 Remove the tilt plate very carefully from the center of the Tilt Corrector and place it centrally on the cylindrical object you prepared earlier Be careful not...

Page 35: ...g 33 g 34 36 when you made the corrections with the Tilt Corrector...

Page 36: ...g 35 1 2 3 4 5 6 g 36 37...

Page 37: ...g 37 g 38 38...

Page 38: ...you were to turn the adjustment screws in an attempt to feel them touch the camera surface you would most likely not only not realize when it happens but by turning further you would start to bend th...

Page 39: ...g 39 g 40 40...

Page 40: ...ce for many a 0 1 mm backfocus deviation is of secondary importance when the tilt is set correctly you may want to try putting the camera on the telescope rst without further tightening the three scre...

Page 41: ...f it occurs it will manifest itself in the fact that rings R1 and R2 will not be connected rigidly but there will be a perceptible longitudinal play between them Should this happen simply tighten the...

Page 42: ...Copyright 2022 All Right Reserved Astrodevice is a registered trademark www astrodevice com...

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