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Blocking-filter in 90° zenith mirror diagonal, for telescopes up to 1080mm focal length, and with 1.25 inch (31.7mm) focuser. Can only be used together with a LUNT H-alpha filter, or with a LUNT H-alpha telescope!
Lunt Solar Systems offers blocking-filters in different sizes, and alternatively in 90° star-diagonal housings or straight extension tubes. You can choose what blocking-filter you will use at your LUNT H-alpha Etalon system.
The B1200d1 is installed in a 90° star-diagonal housing, for 1.25 inch (31.7mm) focuser on the telescope side, and with T2 thread and 1.25 inch eyepiece connection on the eyepiece side. The B1200d1 can be used at LUNT H-alpha systems, if the used telescope has a 1.25 inch focuser and up to 1080mm focal length.
FEATURES
Lunt Solar Systems offers blocking-filters in different sizes, and alternatively in 90° star-diagonal housings or straight extension tubes. You can choose what blocking-filter you will use at your LUNT H-alpha Etalon system.
The B1200d1 is installed in a 90° star-diagonal housing, for 1.25 inch (31.7mm) focuser on the telescope side, and with T2 thread and 1.25 inch eyepiece connection on the eyepiece side. The B1200d1 can be used at LUNT H-alpha systems, if the used telescope has a 1.25 inch focuser and up to 1080mm focal length.
The blocking-filter can not be used without additional H-alpha filter system from Lunt Solar Systems! Blocking-filters are absolutely required for the safety and performance of H-alpha telescopes for solar observing. Lunt Solar Systems blocking-filters contain a unique filter system. We can only warranty safety or performance, if blocking-filter is paired with a H-alpha filter or H-alpha telescope of Lunt Solar Systems.
At the tab "Accessories" you will find H-Alpha telescopes and filters with which this blocking filter can be combined.
FEATURES
- Blocking-filter only usable at additional H-alpha filter system
- Filter diameter: 12mm
- Usable at telescopes up to 1080mm focal
- 90° star-diagonal housing
- 1.25 inch slide tube for 1.25 inch focuser
- Connection for 1.25 inch eyepieces
- T2 thread for camera connection
- Blocking-filter B1200d1 in 90° star-diagonal for 1.25 inch focuser
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Filter thread size | 31.75 mm |
| GENERAL TECHNICAL DATA | |
| Colour | white |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 340 g |
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Filter thread size | 31.75 mm |
| GENERAL TECHNICAL DATA | |
| Colour | white |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 340 g |
