Christmas is fast approaching! To make sure your gifts arrive on time and shine under the tree on December 24th, place your orders now!
Christmas is fast approaching! To make sure your gifts arrive on time and shine under the tree on December 24th, place your orders now!
CHF 1'215
Disponible en stock chez le fournisseur
The Quark Combo brings the simplicity and security of H-alpha solar observation to owners of SCT, Maksutov and long refractors (F/15-F/30). Choose your version Prominence or Chromosphere for the same price, and benefit from an all-in-one filter that's ready to use, lightweight and compact.
The Quark Combo is an H-alpha "All-In-One" device that integrates :
Important: for SCT and Maksutov, the use of a specific energy rejection filter (ERF) is mandatory for safety and optimum performance.
| Type | H-alpha Combo Quark filter (Prominence or Chromosphere) |
|---|---|
| Compatibility | SCT, Maksutov, F/15-F/30 refractors |
| Eyepiece outlet | 1.25″ standard, 1.25″ snout included + 2° off-axis adapter for ERF |
| Barlow / Optics | No integrated Barlow - 0 power, filter only |
| Blocking filter | Integrated, 25 mm |
| Clear aperture | 21 mm |
| Power supply | USB 5 V 1.5 A, incl. 90-240 V mains adapter |
| Tuning | Wheels for wing shift ±0.5 Å with notches every 0.1 Å; LED status: power, warming, ready, fault |
| Warranty | 5 years |
| Supplied box | Twist-Case for protection and transport |
| Observation | Full disk up to ~1800 mm focal length; no aperture limitation, use with SCT and Maks off-axis ERF |
| Optional accessories | 8h battery pack |
| Criteria | Prominence | Chromosphere |
|---|---|---|
| Bandwidth FWHM | Wider (>0.6 Å) - brighter | Narrower (<0.5 Å) - better surface contrast |
| Filaments | Difficult to observe | Visible and detailed |
| Protuberances | Very shiny blade | Visible but less brilliant |
| Contrast | Less contrast, brightness priority | High contrast, ideal for chromospheric detail |
| Recommended use | Quick visual observation | Detailed observation and astrophotography |
