Crosshair eyepiece - 12.5mm focal length - 4 elements - illuminated

The basis of this reticule is a Plössl with 12.5mm focal length. The good field sharpness and the reasonable insight make this eyepiece a good and inexpensive solution.

Even with this crosshair, the illumination of the double thread is infinitely adjustable. So you can adjust the brightness in relation to the guide star exactly.

The double thread:

The double thread allows you to position the guide star cleanly in the middle. You can keep the guide star accurate or achieve precise positioning of the calibration stars on GoTo devices.

Technical specifications:

- Crosshair illuminated with 12.5mm focal length
- Stepless brightness control