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Vixen VMC260L Instruction Manual
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Vixen VMC260L Instruction Manual

Optical tube unit
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Instruction Manual for
VMC260L
Optical Tube Unit

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Summary of Contents for Vixen VMC260L

  • Page 1 Instruction Manual for VMC260L Optical Tube Unit...

  • Page 2: Handling And Storage

    Thank you very much for your purchase of a Vixen VC260L optical tube unit. This manual applies to VMC260L for A XD Mount by way of example. You may occasionally find descriptions in the tex t not relevant to your model.
  • Page 3 Saddle plate Attaching the VMC260L to a Mount Be sure to handle the saddle plate and VMC260L optical tube unit carefully as those are rather heavy items. Attaching the Saddle Plate to a mount head Attaching the VMC260L optical tube unit to the Saddle Plate The AXD Mount is shown by way of example.
  • Page 4 Balancing the VMC260L using a Counterweight(s) Be sure to balance the telescope on the A XD mount (or your equatorial mount)
  • Page 5 Also, the range of sharp focus becomes smaller. Dividing the focal length of the telescope by the focal length of the eyepiece gives the magnification. Example: Using the VMC260L with an SLV20mm or an SLV5mm eyepiece. SX60 to 50.8 AD (Supplied) Eyepiece Telescope’s focal length...
  • Page 6 Dovetail slide bar The necessity of a finderscope It is very difficult for the telescope user to locate a target object through the telescope’s field of view at high magnification, especially as the field of view narrows. The use of a finderscope will make it much easier. Be sure to align the finderscope with the telescope’s field of view before you start observing.
  • Page 7 How to Collimate the VMC260 Your VMC260L is collimated at Vixen’s factor y. The optical tube holds the collimation unless it is handled roughly. You can re- collimate the VMC260L by way of the following procedures if necessar y.　...
  • Page 8 5-17-3 H i gash itokorozawa,Tokorozawa,Saitama359-0021, Japan P h o n e +81-4-2944-4141 ( International ) ht t ps:// w w w.vixen.co.jp F a x +81-4-2944-9722 ( International ) 6 9 k i -11- (Pr o C 5 3 0 0 S)(M)