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For free combination with a Lunt-Solar-Systems H-alpha solar-telescope or -filter
- Blocking-filter in 90° zenith mirror
- For combination with H-alpha telescopes or filters
- For telescopes up to 1620mm focal length and 2 inch focuser
- Eyepiece side with T2 thread and 1.25 inch eyepiece connection
- Cannot be used stand-alone, only with H-Alpha systems!
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Bresser LUNT B1800d2 Blocking-Filter in 2 inch zenith mirror diagonal
Produkta kods: 46908
SKU: 46908
Ean: 4007922035864
Manufacturer: Bresser
Condition: New product
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Blocking-filter in 90° zenith mirror diagonal, for telescopes up to 1620mm focal length, and with 2 inch (50.8mm) 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 B1800d2 is installed in a 90° star-diagonal housing, for 2 inch (50.8mm) focuser on the telescope side, and with T2 thread and 1.25 inch (31.7mm) eyepiece connection on the eyepiece side. The B1800d2 can be used at LUNT H-alpha systems, if the used telescope has a 2 inch focuser and up to 1620mm 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 B1800d2 is installed in a 90° star-diagonal housing, for 2 inch (50.8mm) focuser on the telescope side, and with T2 thread and 1.25 inch (31.7mm) eyepiece connection on the eyepiece side. The B1800d2 can be used at LUNT H-alpha systems, if the used telescope has a 2 inch focuser and up to 1620mm 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: 18mm
- Usable at telescopes up to 1620mm focal
- 90° star-diagonal housing
- 2 inch slide tube for 2 inch focuser
- Connection for 1.25 inch eyepieces
- T2 thread for camera connection
- Blocking-filter B1800d2 in 90° star-diagonal for 2 inch focuser
| Type of Product | Telescope acsessories |
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