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Blocking-filter in straight extension tube, for telescopes up to 1080mm focal length. 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 B1200s is installed in a straight extension tube, for 1.25 inch (31.7mm) and 2 inch (50.8mm) focuser on the telescope side, and with T2 thread and 1.25 inch eyepiece connection on the eyepiece side. The B1200s can be used at LUNT H-alpha systems, if the used telescope has 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 B1200s is installed in a straight extension tube, for 1.25 inch (31.7mm) and 2 inch (50.8mm) focuser on the telescope side, and with T2 thread and 1.25 inch eyepiece connection on the eyepiece side. The B1200s can be used at LUNT H-alpha systems, if the used telescope has 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
- In straight extension tube
- For 1.25 inch and 2 inch focuser
- Connection for 1.25 inch eyepieces
- T2 thread for camera connection
- Blocking-filter B1200s in straight extension tube
Technical Data
| GENERAL TECHNICAL DATA | |
|---|---|
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 250 g |
Technical Data
| GENERAL TECHNICAL DATA | |
|---|---|
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Net weight (without access.) | 250 g |
Product reviews
LUNT B1200s Blocking-Filter in extension tube
What our customers say:
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