Omegon Cross thread eyepieces Plössl 9mm - Illuminated and adjustable reticle for precision
The Omegon Crosshair eyepiece Plössl 9mm helps you track stars precisely during astrophotography. The double reticle is illuminated and extremely fine, so you can easily center a tracking star. You don't have to cover the star like with a single reticle, and you can immediately see small deviations. The reticle is infinitely adjustable, so you can always align perfectly. This makes it ideal for off-axis guiders and precise tracking.
Clear and sharp image
The four-lens Plössl design delivers a bright image with high contrast. The multicoating ensures that the image remains bright and sharp, even with dimly lit tracking stars. You can also adjust the reticle to suit your eyes, keeping it sharp and comfortable.

Versatile use
This eyepiece is not only useful for astrophotography. Use it also to measure image fields, center the Pole Star or determine the angle of double stars. It is a practical tool for anyone who wants precision when tracking or positioning objects.
What we recommend
✓ Astrophotography: ideal for off-axis guiders and tracking viewers.
✓ Double stars: easy angle determination and sharp tracking.
✓ Monturing alignment: precise positioning with the North Star.
✗ Deep-sky observation: not intended for visual observation of nebulae or galaxies.
✗ Planetary or lunar observation: limited use.
Specifications
Capacity
| Feature | Description |
|---|---|
| Focal length (mm) | 9 |
| Telescope connection | 1,25″ |
| Field of view (°) | 50 |
| Optics coating | Multiple |
| Number of lenses | 4 |
Details
| Feature | Description |
|---|---|
| Homofocal | - |
| Illuminated | Yes |
| Filter thread | Yes |
General
| Feature | Description |
|---|---|
| Length (mm) | 84 |
| Width (mm) | 54 |
| Height (mm) | 55 |
| Weight (g) | 115 |
| Material | Metal |
| Series | Recticle |
| Type | Ocular |
| Design | Cross thread eyepieces |








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