TS-Optics 80 mm Guide Scope Finder with non-rotating helical focuser

The 80 mm Guidingscope is the right solution for astrophotographers who want a quality guiding scope with large aperture. You never will have problems to find a guiding star. The guidingscope fits standard finder shoes so you will have no problems with adaption.

The TSL80D is also a very powerful finderscope. 80 mm aperture shows hundreds Deep-Sky objects. The Scope is a very powerful rich-field refractor telescope. The scope also can be used as a video finder for remote observatories.

The 1.25" / T2 Non Rotating Helical Focuser:

The non rotating helical focuser allows precise focusing. If optimal sharpness is reached, just tighten the locking screw. The star remains exactly on its position without tilting or shifting. The focuser has 1.25" and T2 connection on the eyepiece and camera side.

Use of autoguiders with 1.25" housing, such as ASI120MINI or Lodestar: The focus is between 9mm and 19mm behind the 1.25" port. So the sensor would be too far inside. We simply recommend a good 1.25" adapter that screws onto the T2 thread. Suitable adapters are linked. Then the camera can be mounted easily, without focus problems.

Many cameras, like the ZWO MINI Guider, come with a 1.25" extension. With this you can also focus well. The extension should be turned out completely. However, you must not insert the camera completely.