TS-Optics 2″ LED Collimator For All Types of Telescopes

$225.00

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The R.E.E.E.G.O collimator was developed for Ritchey-Chrétien telescopes, but can be used to collimate all types of telescopes, like refractor, Newtonian or SC Cassegrains.

  • The corrector allows the collimation of almost all optical systems with high accuracy.
  • The collimator is entirely developed and produced in Italy.
  • Suitable for all 2″ receptacle
  • The LEDs are supplied by an integrated CR2032 battery (replaceable)
  • We recommend the collimator mainly for RC telescopes, Cassegrains and Schmidt Cassegrains, so a top collimation state of the telescope can be reached even at daylight.
SKU: TSRCKOLLI Category: Tag:

Description

TS R.E.E.E.G.O. 2″ LED Collimator for all Types of Telescopes

The collimator is made in Italy. It is campatible with almost all popular optical systems and allows for a neat collimation at daylight. We especially recomend the collimator for all Cassegrain-like telescopes like Schmidt-Cassegrain, RC, Dall-Kirkham and similar telescope types. The collimator is very precise and the result of the collimation is mostly independent of tilting.

Collimation of Ritchey-Chrétien telescopes and similar systems

It is well known that collimating an RC is not an easy thing. Usually, nighttime use on a star is necessary. Due to the R.E.E.E.G.O. collimator, it is possible to obtain an ideal collimation result at daylight which is comparable with the Takahashi collimator. With this, there is always an optimally collimated RC telescope at your hand at night. At the same time, collimation is easy and can be done by anyone. But it is important that the secondary mirror of your telescope has a central mark. Simply follow the steps below:

Preparation:

Place the optical tube on a table or move the telescope on the mount into a horizontal position. It is helpful to aim the telescope at a homogeneous bright surface (paper, house wall, …). Now put the collimator into the 2″ receptacle of your focuser. It helps when you direct the labelling to the collimation screws, this makes working easier. Press your hand slightly from the backside against the collimator. Now you are ensured that the collimator is optimally placed in the focuser. Now tighten the locking screws slightly. Next, switch on the collimator in Newtonian/reflector mode (red LEDs). Now look through the hole.

If the image looks this, you can stop the collimation process, your telescope is optimally adjusted and ready for the night.

But if the image does not look concentric, you should begin with the collimation to achieving the optimal result with the telescope.

Step 1 – adjusting the secondary mirror:

Adjust the secondary mirror with the collimation screws until the central mark of your secondary mirror is exactly in the center. You can directly see any deviation which you then can easily get rid off by adjusting. Make sure that the counter screws (if existing) are loosened before and that the secondary mirror is not loose after collimation.

The result at the end of this step of the collimation should look like this.

Step 2 – adjusting the primary mirror:

Now you center the outer ring by adjusting the primary mirror. Please make sure the the counter screws are loosened here, too. Untighten the counter screws only minimal, then adjust the primary mirror and then retighten the counter screws. This procedure prevents that the pressure on the cell gets to strong or that something loosens completely. Also don´t over-tighten the counter screws.

The result at the end of this second and last step of the collimation should look like this. Collimation is finished and the telescope is ready for the night.

RC telescopes with TILTING mechanism at the focuser:

Many Ritchey-Chrétien telescopes have a third collimation possibility – tilting the focuser. It is often tried to compensate a bad collimation with this tilting, but that does not work well. For this reason, you should adjust the tilting mechanism until it reaches the position stop before collimation. Thus it is ensured that the optics is optimally adjusted to the focuser.

The tilting mechanism should be used for adapting the camera sensor optimally to the telescope. Thus you can compensate a minimally skewed position of the sensor or a slight tilt of the focuser.

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